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Twin Falls County

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

3Road Alerts 0Fire & Safety Alerts 0Air Quality Alerts 0Weather / Red Flag Alerts 3Health Dept Alerts 0Wildlife Alerts Twin Falls County Sheriff Non-Emergency208-736-4135
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 Twin Falls County.

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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

3 active
Construction Medium priority Source: Idaho 511 WZDx Work Zones

Work zone: US-30 westbound

Official Idaho 511 work zone on US-30 westbound near Nevada St E (MM 218.5/0.8 to Castleford St N (MM 117.5) in Twin Falls County. Alternating one-way traffic.

Minor Road maintenance on US-30 Westbound from Nevada St E (MM 218.5/0.8 to Castleford St N (MM 117.5). Lanes Alternating. 8/17/2026 7:00 AM to 10/16/2026 5:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: Look Out for Flagger, Use Caution.

Traffic impact: Alternating one-way traffic.

WZDx schedule: Aug 17, 2026 6:00 AM PDT through Oct 16, 2026 4:00 PM PDT.

Reported lanes: 3 alternating flow.

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-93 northbound

Official Idaho 511 work zone on US-93 northbound near E 2500 N to E 3800 N in Twin Falls County. All lanes remain open.

Road construction on US-93 Both Directions from E 2500 N to E 3800 N. 6/2/2026 6:00 AM MT to 11/15/2026 6:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 9ft Activities: Expect Delays, Look Out for Flagger, Pilot Car in Operation, Reduced to Single Lane, Alternating Direction of Travel, Repairs in Progress, Use Caution. Expect Delays: Up to 1 hour

Traffic impact: All lanes remain open.

WZDx schedule: Jun 2, 2026 5:00 AM PDT through Nov 15, 2026 5:00 PM PST.

Restrictions: Reduced Width: 9 feet.

Reported lanes: 1 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-74 northbound

Official Idaho 511 work zone on SH-74 northbound near Harrison St (MM 7) to 6th Ave W (MM 7.4) in Twin Falls County. Traffic impact not specified.

Road construction on SH-74 Northbound from Harrison St (MM 7) to 6th Ave W (MM 7.4). Lanes Alternating. 8/12/2026 7:00 AM to 12/30/2026 12:00 AM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Activities: Use Caution.

Traffic impact: Traffic impact not specified.

WZDx schedule: Aug 12, 2026 6:00 AM PDT through Dec 29, 2026 11:00 PM PST.

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

3 active
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
Health Dept alert Medium priority Source: Idaho Public Health District Notices

West Nile Virus Found East of Twin Falls

South Central Public Health District posted an official public health notice on Jul 28, 2026: West Nile Virus Found East of Twin Falls

Follow the official district source link for current details and public health guidance.
View source on Idaho Public Health District 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 Twin Falls 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

53 links