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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

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

Road closed: Midway Rd northbound

Official Idaho 511 work zone on Midway Rd northbound near SH-55 in Canyon County. All lanes closed.

Road reconstruction on Midway Rd Northbound at SH-55. All lanes closed. 8/19/2026 5:00 AM to 9/4/2026 10:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: Consider Alternative Route, Use Caution.

Traffic impact: All lanes closed.

WZDx schedule: Aug 19, 2026 4:00 AM PDT through Sep 4, 2026 9:00 PM PDT.

Reported lanes: 2 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
Road closure High priority Source: Idaho 511 WZDx Work Zones

Road closed: S Kimball Ave northbound

Official Idaho 511 work zone on S Kimball Ave northbound near I-84-BL Westbound to Arthur St in Canyon County. All lanes closed.

Bridge construction on S Kimball Ave Both Directions from I-84-BL Westbound to Arthur St. All lanes closed. 2/2/2026 7:00 AM MT to 9/18/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: Consider Alternative Route, Look Out for Flagger.

Traffic impact: All lanes closed.

WZDx schedule: Feb 2, 2026 6:00 AM PST through Sep 18, 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
Construction Medium priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-44 eastbound

Official Idaho 511 work zone on SH-44 eastbound near S Middleton Rd in Canyon County. Some lanes closed.

Utility work on SH-44 Both Directions near S Middleton Rd. 1 Right lane closed. 8/27/2026 10:00 PM to 9/3/2026 5:00 AM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 5:00 AM, 10:00 PM - 12:00 AM, Sat, Sun: Paused all day

Traffic impact: Some lanes closed.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 3, 2026 4:00 AM PDT.

Reported lanes: 1 open, 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 Medium priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-44 westbound

Official Idaho 511 work zone on SH-44 westbound near S Middleton Rd in Canyon County. Some lanes closed.

Utility work on SH-44 Both Directions near S Middleton Rd. 1 Right lane closed. 8/27/2026 10:00 PM to 9/3/2026 5:00 AM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 5:00 AM, 10:00 PM - 12:00 AM, Sat, Sun: Paused all day

Traffic impact: Some lanes closed.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 3, 2026 4:00 AM PDT.

Reported lanes: 1 open, 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-95 northbound

Official Idaho 511 work zone on US-95 northbound near Main St to Homedale Rd in Canyon County. All lanes remain open.

Bridge maintenance on US-95 Both Directions from Main St to Homedale Rd. 8/3/2026 7:00 AM MT to 9/15/2026 7:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft Activities: Expect Delays, Reduced to Single Lane, Alternating Direction of Travel.

Traffic impact: All lanes remain open.

WZDx schedule: Aug 3, 2026 6:00 AM PDT through Sep 15, 2026 6:00 PM PDT.

Restrictions: Reduced Width: 12 feet.

Reported lanes: 2 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-44 eastbound

Official Idaho 511 work zone on SH-44 eastbound near Canyon Ln. in Canyon County. Traffic impact not specified.

Construction work on SH-44 Eastbound Near Canyon Ln. . All Shoulders Closed. 8/31/2026 8:30 AM MT to 9/4/2026 8:30 AM MT Mon, Tue, Wed, Thu, Fri: Active all day

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 4, 2026 7:30 AM PDT.

Reported lanes: 1 closed.

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
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: Centennial Way eastbound

Official Idaho 511 work zone on Centennial Way eastbound near I-84 in Canyon County. All lanes remain open.

Long term road construction on Centennial Way Both Directions near I-84. 10/6/2025 4:25 PM to 5/27/2027 6:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: All lanes remain open.

WZDx schedule: Oct 6, 2025 3:25 PM PDT through May 27, 2027 5:00 PM PDT.

Reported lanes: 2 open.

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

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

Major Long term road construction on I-84 Both Directions from Centennial IC to Franklin IC. All Lanes Affected. 11/3/2023 2:45 PM to 5/27/2027 6:00 PM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 6:00 AM, 10:00 PM - 12:00 AM, Sat, Sun: Paused all day Width Restriction: 24ft Speed Restriction: 55mph Activities: Look Out for Flagger, Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 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 eastbound

Official Idaho 511 work zone on I-84 eastbound near Garrity Blvd to Ten Mile Road in Canyon County. All lanes remain open.

Long term road construction on I-84 Both Directions from Garrity Blvd to Ten Mile Road. 1/31/2025 1:00 PM to 12/31/2026 8:00 PM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 10:00 AM, 7:00 PM - 12:00 AM, Sat, Sun: Paused all day

Traffic impact: All lanes remain open.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 PM PDT.

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: I-84 westbound

Official Idaho 511 work zone on I-84 westbound near Garrity Blvd to Ten Mile Road in Canyon County. All lanes remain open.

Long term road construction on I-84 Both Directions from Garrity Blvd to Ten Mile Road. 1/31/2025 1:00 PM to 12/31/2026 8:00 PM Mon, Tue, Wed, Thu, Fri: 12:00 AM - 10:00 AM, 7:00 PM - 12:00 AM, Sat, Sun: Paused all day

Traffic impact: All lanes remain open.

WZDx schedule: Aug 31, 2026 11:00 PM PDT through Sep 18, 2026 10:59 PM PDT.

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
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

Statewide Idaho Alert: Idaho Public Health officials are investigating two outbreaks likely associated with raw milk

This is a State Wide Alert for Idaho. Idaho Department of Health and Welfare posted an official public health notice on Jun 3, 2026: Idaho Public Health officials are investigating two outbreaks likely associated with raw milk

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 working with local and state partners to investigate a recent increase in illnesses after consumption of unpasteurized (raw) milk. Since May 19, 2026, nearly 60 people have been identified who became ill after consuming raw milk.
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
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