Boise County
County road alerts, weather impacts, closures, construction notices, and local safety resources for Boise 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 Boise 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
No active road alerts
No active road alerts have been posted for Boise County yet.
Air Quality Alerts
No active Air Quality Alerts
No official Air Quality Alerts are active for Boise County right now.
View the Idaho DEQ Real-Time Air Quality MapWeather Alerts / Red Flag Warnings
Red Flag Warning issued September 1 at 2:15AM MDT until September 1 at 9:00PM MDT by NWS Pocatello ID
Red Flag Warning for Boise County.
Sawtooth NF.
* IMPACTS...Scattered thunderstorms produce frequent dangerous
lightning over an area that can mean extreme initial attack
burdens for wildland fire fighting resources.
* THUNDERSTORMS...Scattered coverage during the afternoon and
evening period. Thunderstorms will during the late night hours
at isolated coverage.
* OUTFLOW WINDS...Gusts to 40 mph are possible.
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:
- Thunderstorm coverage of 25 percent, without specific rainfall
criteria.
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.
Health Advisory: Increase in Cyclosporiasis Cases Reported in Multiple States
Central District Health posted an official public health notice on Jul 13, 2026: Health Advisory: Increase in Cyclosporiasis Cases Reported in Multiple States
Health Advisory: Consider Avian Influenza A (H5N1) in Patients with Dairy Cattle or Poultry Exposure
Central District Health posted an official public health notice on Jun 16, 2026: Health Advisory: Consider Avian Influenza A (H5N1) in Patients with Dairy Cattle or Poultry Exposure
Health advisories issued for Grasmere Reservoir and the Bruneau Arm of CJ Strike
Central District Health posted an official public health notice on Aug 21, 2026: Health advisories issued for Grasmere Reservoir and the Bruneau Arm of CJ Strike
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.
Health Advisory: New World Screwworm Detected in the United States
Central District Health posted an official public health notice on Jun 9, 2026: Health Advisory: New World Screwworm Detected in the United States
Health Advisory: Increased Risk of Severe West Nile Virus and Other Arboviral Diseases in Patients Receiving B Cell-Depleting or B Cell-Modulating Medications
Central District Health posted an official public health notice on Aug 21, 2026: Health Advisory: Increased Risk of Severe West Nile Virus and Other Arboviral Diseases in Patients Receiving B Cell-Depleting or B Cell-Modulating Medications
Fire & Safety Alerts
Crooked Fire
Crooked Fire listed by WFIGS in Boise County at 8,604 acres.
Containment: 21%.
Discovered: Aug 18, 2026 4:38 PM PDT.
Updated: Aug 31, 2026 4:40 PM PDT.
Description: 15 Miles E from IDAHO CITY, ID.
Jurisdiction: USFS.
Protecting agency: USFS.
Dispatch center: IDBDC.
Fire cause: Human.
Wildlife Safety Alerts
No wildlife safety alerts
No official cougar, bear, wolf, or other dangerous wildlife alerts have been posted for Boise 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
