Cassia County
County road alerts, weather impacts, closures, construction notices, and local safety resources for Cassia County.
Idaho Travel Conditions
Use the official Idaho 511 map for current road conditions, closures, traffic events, construction, cameras, weather stations, restrictions, and mountain-pass information near Cassia 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 Alerts
Work zone: SH-27 northbound
Official Idaho 511 work zone on SH-27 northbound near I-84 in Cassia County. Alternating one-way traffic.
Traffic impact: Alternating one-way traffic.
WZDx schedule: Apr 29, 2024 2:49 PM PDT through Dec 26, 2026 4:00 PM PST.
Reported lanes: 2 alternating flow.
The WZDx record reports workers present in the work zone.
Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
Work zone: SH-27 northbound
Official Idaho 511 work zone on SH-27 northbound near US-30 to Snake River in Cassia County. Some lanes closed.
Traffic impact: Some lanes closed.
WZDx schedule: Sep 1, 2026 5:00 AM PDT through Sep 15, 2026 7:59 PM 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.
Work zone: SH-27 southbound
Official Idaho 511 work zone on SH-27 southbound near US-30 to Snake River in Cassia County. Some lanes closed.
Traffic impact: Some lanes closed.
WZDx schedule: Sep 1, 2026 5:00 AM PDT through Sep 15, 2026 7:59 PM 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.
Work zone: N Yale Rd northbound
Official Idaho 511 work zone on N Yale Rd northbound near Lane Gulch Rd to E 400 N in Cassia County. Traffic impact not specified.
Traffic impact: Traffic impact not specified.
WZDx schedule: May 18, 2026 6:00 AM PDT through Oct 20, 2026 6:00 PM PDT.
Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
Work zone: I-84-BL
Official Idaho 511 work zone on I-84-BL near SH-81 Eastbound to Snake River in Cassia County. All lanes remain open.
Traffic impact: All lanes remain open.
WZDx schedule: Sep 2, 2025 6:00 AM PDT through Oct 17, 2026 5:00 PM PDT.
Restrictions: Reduced Width: 11 feet.
Reported lanes: 2 open.
Official source: Idaho 511 WZDx. Confirm current conditions on Idaho 511 before travel.
Air Quality Alerts
No active Air Quality Alerts
No official Air Quality Alerts are active for Cassia County right now.
View the Idaho DEQ Real-Time Air Quality MapWeather Alerts / Red Flag Warnings
No active weather alerts
No active weather alerts or Red Flag warnings have been posted for this county.
Health Dept Alerts
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
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.
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
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.
Fire & Safety Alerts
No fire or safety alerts
No fire or public safety alerts have been posted for this county.
Wildlife Safety Alerts
No wildlife safety alerts
No official cougar, bear, wolf, or other dangerous wildlife alerts have been posted for Cassia 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
