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Canyon County

County road alerts, weather impacts, closures, construction notices, and local safety resources for Canyon County.

Official ITD traveler information

Idaho Travel Conditions

Idaho 511

Use the official Idaho 511 map for current road conditions, closures, traffic events, construction, cameras, weather stations, restrictions, and mountain-pass information near Canyon County.

Official Idaho 511 WZDx work-zone alerts are shown in Road Alerts below. Broader Idaho 511 road conditions, cameras, passes, traffic events, and advisories will be added after the pending developer key is issued.

Road conditions

Road Alerts

18 active
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: Weitz Rd northbound

Official Idaho 511 work zone on Weitz Rd northbound near Ustick Rd to Lonkey Ln in Canyon County. All lanes closed.

Minor Road construction on Weitz Rd Both Directions from Ustick Rd to Lonkey Ln. All lanes closed. 9/23/2026 8:00 AM MT to 11/13/2026 4:29 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: All lanes closed.

WZDx schedule: Sep 23, 2026 7:00 AM PDT through Nov 13, 2026 3:29 PM PST.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: Melba Rd eastbound

Official Idaho 511 work zone on Melba Rd eastbound near SH-45 to Rim Rd in Canyon County. All lanes closed.

Minor Road maintenance on Melba Rd Both Directions from SH-45 to Rim Rd. All lanes closed. 10/5/2026 6:00 AM MT to 10/19/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: All lanes closed.

WZDx schedule: Oct 5, 2026 5:00 AM PDT through Oct 19, 2026 4:00 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: S Indiana Ave northbound

Official Idaho 511 work zone on S Indiana Ave northbound near SH-55 in Canyon County. All lanes closed.

Utility work on S Indiana Ave Both Directions Near SH-55. All lanes closed. 10/2/2026 5:22 PM MT to 10/16/2026 5:24 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: Consider Alternative Route.

Traffic impact: All lanes closed.

WZDx schedule: Oct 2, 2026 4:22 PM PDT through Oct 16, 2026 4:24 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: Bent Ln northbound

Official Idaho 511 work zone on Bent Ln northbound near Bud Ln in Canyon County. All lanes closed.

Road construction on Bent Ln Both Directions Near Bud Ln. All lanes closed. 10/15/2026 8:51 AM MT to 11/13/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: All lanes closed.

WZDx schedule: Oct 15, 2026 7:51 AM PDT through Nov 13, 2026 4:00 PM PST.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: N 10th Ave westbound

Official Idaho 511 work zone on N 10th Ave westbound near N 10th Ave to I-84 Westbound in Canyon County. All lanes closed.

Road construction on ramp from N 10th Ave to I-84 Westbound. Ramp Blocked. 11/14/2023 6:22 PM to 5/27/2027 6:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: All lanes closed.

WZDx schedule: Nov 14, 2023 5:22 PM PST through May 27, 2027 5:00 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-45 southbound

Official Idaho 511 work zone on SH-45 southbound near 12th Ave Drain to Lake Shore Dr in Canyon County. Traffic impact not specified.

Work on the shoulder on SH-45 Both Directions from 12th Ave Drain to Lake Shore Dr. All Shoulders Closed. 9/28/2026 7:00 AM MT to 11/28/2026 4:00 PM MT Mon, Tue, Wed, Thu, Fri: 7:00 AM - 4:00 PM, Sat, Sun: Paused all day

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 2:59 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-45 northbound

Official Idaho 511 work zone on SH-45 northbound near 12th Ave Drain to Lake Shore Dr in Canyon County. Traffic impact not specified.

Work on the shoulder on SH-45 Both Directions from 12th Ave Drain to Lake Shore Dr. All Shoulders Closed. 9/28/2026 7:00 AM MT to 11/28/2026 4:00 PM MT Mon, Tue, Wed, Thu, Fri: 7:00 AM - 4:00 PM, Sat, Sun: Paused all day

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 2:59 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: US-20 southbound

Official Idaho 511 work zone on US-20 southbound near Apple Valley Rd to Pond Ln. in Canyon County. Traffic impact not specified.

Utility work on US-20 Both Directions from Apple Valley Rd to Pond Ln. . All Shoulders Closed. 9/21/2026 7:00 AM MT to 10/30/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri: 7:00 AM - 5:00 PM, Sat, Sun: Paused all day Activities: Look Out for Flagger.

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 3:59 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: US-20 northbound

Official Idaho 511 work zone on US-20 northbound near Apple Valley Rd to Pond Ln. in Canyon County. Traffic impact not specified.

Utility work on US-20 Both Directions from Apple Valley Rd to Pond Ln. . All Shoulders Closed. 9/21/2026 7:00 AM MT to 10/30/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri: 7:00 AM - 5:00 PM, Sat, Sun: Paused all day Activities: Look Out for Flagger.

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 3:59 PM PDT.

Reported lanes: 1 closed.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: I-84 westbound

Official Idaho 511 work zone on I-84 westbound near Centennial Way to Franklin Rd in Canyon County. Traffic impact not specified.

Long term road construction on I-84 Eastbound from Centennial Way to Franklin Rd. 11/3/2023 12:00 AM MT to 5/27/2027 6:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 24ft Speed Restriction: 55mph Activities: Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Nov 2, 2023 11:00 PM PDT through May 27, 2027 5:00 PM PDT.

Restrictions: Reduced Width: 24 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: I-84 westbound

Official Idaho 511 work zone on I-84 westbound near Franklin IC to Centennial IC in Canyon County. Traffic impact not specified.

Long term road construction on I-84 Westbound from Franklin IC to Centennial IC. All Lanes Affected. 11/3/2023 12:00 AM MT to 5/27/2027 6:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 24ft Speed Restriction: 55mph Activities: Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Nov 2, 2023 11:00 PM PDT through May 27, 2027 5:00 PM PDT.

Restrictions: Reduced Width: 24 feet.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: N 10th Ave northbound

Official Idaho 511 work zone on N 10th Ave northbound near I-84 in Canyon County. Traffic impact not specified.

Bridge construction on N 10th Ave Both Directions at I-84. All Lanes Affected. 9/9/2024 5:29 AM to 5/28/2027 5:30 PM Mon, Tue, Wed, Thu, Fri: 7:00 AM - 7:00 PM, Sat, Sun: Paused all day Activities: Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 5:59 PM PDT.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: N 10th Ave southbound

Official Idaho 511 work zone on N 10th Ave southbound near I-84 in Canyon County. Traffic impact not specified.

Bridge construction on N 10th Ave Both Directions at I-84. All Lanes Affected. 9/9/2024 5:29 AM to 5/28/2027 5:30 PM Mon, Tue, Wed, Thu, Fri: 7:00 AM - 7:00 PM, Sat, Sun: Paused all day Activities: Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 5:59 PM PDT.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-55 eastbound

Official Idaho 511 work zone on SH-55 eastbound near Farmway Rd to N Middleton Rd in Canyon County. All lanes remain open.

Road construction on SH-55 Both Directions from Farmway Rd to N Middleton Rd. 12/16/2024 12:16 PM MT to 8/31/2027 11:00 PM MT Mon, Tue, Wed, Thu, Fri: 7:00 AM - 5:00 PM, Sat, Sun: Paused all day Width Restriction: 11ft Activities: Consider Alternative Route.

Traffic impact: All lanes remain open.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 3:59 PM PDT.

Restrictions: Reduced Width: 11 feet.

Reported lanes: 4 open.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-55 westbound

Official Idaho 511 work zone on SH-55 westbound near Farmway Rd to N Middleton Rd in Canyon County. All lanes remain open.

Road construction on SH-55 Both Directions from Farmway Rd to N Middleton Rd. 12/16/2024 12:16 PM MT to 8/31/2027 11:00 PM MT Mon, Tue, Wed, Thu, Fri: 7:00 AM - 5:00 PM, Sat, Sun: Paused all day Width Restriction: 11ft Activities: Consider Alternative Route.

Traffic impact: All lanes remain open.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 3:59 PM PDT.

Restrictions: Reduced Width: 11 feet.

Reported lanes: 4 open.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: Hannibal St

Official Idaho 511 work zone on Hannibal St near N 1st Ave to N Kimball Ave in Canyon County. Traffic impact not specified.

Road construction on Hannibal St from N 1st Ave to N Kimball Ave. All Lanes Affected. 11/22/2023 7:00 AM to 5/27/2027 7:00 PM Mon, Tue, Wed, Thu, Fri: 7:00 AM - 7:00 PM, Sat, Sun: Paused all day Activities: Look Out for Flagger.

Traffic impact: Traffic impact not specified.

WZDx schedule: Oct 16, 2026 6:00 AM PDT through Oct 30, 2026 5:59 PM PDT.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: I-84 eastbound

Official Idaho 511 work zone on I-84 eastbound near Robinson Rd Overpass to Blackcat Rd Overpass in Canyon County. All lanes remain open.

Road construction on I-84 Both Directions from Robinson Rd Overpass to Blackcat Rd Overpass. 1/31/2025 1:00 PM MT to 12/31/2026 8:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Paused all day

Traffic impact: All lanes remain open.

WZDx schedule: Jan 31, 2025 12:00 PM PST through Dec 31, 2026 7:00 PM PST.

Reported lanes: 4 open.

The WZDx record reports workers present in the work zone.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: E Frontage Rd westbound

Official Idaho 511 work zone on E Frontage Rd westbound near Boise Ave to N Kimball Ave in Canyon County. All lanes remain open.

New road construction layout on E Frontage Rd Westbound from Boise Ave to N Kimball Ave. 11/22/2023 7:00 AM to 5/27/2027 5:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: consider alternative route.

Traffic impact: All lanes remain open.

WZDx schedule: Nov 22, 2023 6:00 AM PST through May 27, 2027 4:00 PM PDT.

Reported lanes: 1 open.

Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
View source on Idaho 511 WZDx Work Zones
Weather alerts

Weather Alerts / Red Flag Warnings

0 active

No active weather alerts

No active weather alerts or Red Flag warnings have been posted for this county.

Public health

Health Dept Alerts

4 active
Health Dept alert High priority Source: Idaho Department of Health and Welfare Public Health Notices

DHW reviewing potential water quality issues at Southwest Idaho Treatment Center campus

Idaho Department of Health and Welfare posted an official public health notice on Jun 26, 2026: DHW reviewing potential water quality issues at Southwest Idaho Treatment Center campus

NAMPA -- The Idaho Department of Health and Welfare (DHW) is working with the Idaho Department of Environmental Quality (DEQ) to determine whether recent test results showing uranium levels above the United States Environmental Protection Agency's (EPA) maximum contaminant level for drinking…
View source on Idaho Department of Health and Welfare Public Health Notices
Health Dept alert High priority Source: Idaho Department of Health and Welfare Public Health Notices

Public health officials report first Idaho West Nile virus meningitis case of 2026

Idaho Department of Health and Welfare posted an official public health notice on Aug 17, 2026: Public health officials report first Idaho West Nile virus meningitis case of 2026

Idaho’s first reported case of human West Nile virus (WNV) meningitis this year was identified in a Canyon County resident over the age of 65. This person had been hospitalized for the illness but is recovering at home. 
View source on Idaho Department of Health and Welfare Public Health Notices
Health Dept alert High priority Source: Idaho Department of Health and Welfare Public Health Notices

Statewide Idaho Alert: Health advisories issued for Grasmere Reservoir and Bruneau Arm of CJ Strike

This is a State Wide Alert for Idaho. Idaho Department of Health and Welfare posted an official public health notice on Aug 21, 2026: Health advisories issued for Grasmere Reservoir and Bruneau Arm of CJ Strike

This notice is displayed on every Idaho county page because it applies statewide. It does not mean the source identified a county-specific case, exposure, closure, or local outbreak in this county.

The Department of Health and Welfare (DHW) is issuing health advisories for Grasmere Reservoir and the Bruneau Arm of CJ Strike, urging caution when recreating in or near the water. Grasmere Reservoir is about 35 miles south of Bruneau on State Highway 51.
View source on Idaho Department of Health and Welfare Public Health Notices
Health Dept alert High priority Source: Idaho Department of Health and Welfare Public Health Notices

Statewide Idaho Alert: Idaho reports increase in rabid bats, potential human exposures

This is a State Wide Alert for Idaho. Idaho Department of Health and Welfare posted an official public health notice on Sep 2, 2026: Idaho reports increase in rabid bats, potential human exposures

This notice is displayed on every Idaho county page because it applies statewide. It does not mean the source identified a county-specific case, exposure, closure, or local outbreak in this county.

Twenty-four rabid bats have been detected through testing in Idaho so far this year, more than in each of the past three years, and public health officials are also receiving more reports of possible encounters between bats and people or pets. 
View source on Idaho Department of Health and Welfare Public Health Notices
Fire & public safety

Fire & Safety Alerts

0 posted

No fire or safety alerts

No fire or public safety alerts have been posted for this county.

Wildlife safety

Wildlife Safety Alerts

0 posted

No wildlife safety alerts

No official cougar, bear, wolf, or other dangerous wildlife alerts have been posted for Canyon County.

For an immediate threat, call 911 or the nearest sheriff's office. For non-emergency wildlife conflicts, contact the nearest Idaho Fish and Game regional office.

Idaho Fish and Game wildlife safety news and alerts Report a wildlife conflict to Idaho Fish and Game Find an Idaho Fish and Game regional office Idaho wildlife management area access and closures Idaho wildlife reporting guidance
Local links

Resources

74 links