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Lemhi County

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

1 active
Construction Low priority Source: Idaho 511 WZDx Work Zones

Work zone: SH-28

Official Idaho 511 work zone on SH-28 near Eight Mile Rd to Dunkin Ln in Lemhi County. Traffic impact not specified.

Work on the shoulder on SH-28 Both Directions from Eight Mile Rd to Dunkin Ln. 6/17/2026 1:49 PM to 10/1/2026 5:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day

Traffic impact: Traffic impact not specified.

WZDx schedule: Jun 17, 2026 12:49 PM PDT through Oct 1, 2026 4:00 PM PDT.

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 Public Health District Notices

Rabid Bats Found in Bonneville and Jefferson Counties; Rabies is Fatal if Treatment is Not Administered after Exposure

Eastern Idaho Public Health posted an official public health notice on Aug 26, 2026: Rabid Bats Found in Bonneville and Jefferson Counties; Rabies is Fatal if Treatment is Not Administered after Exposure

This notice is displayed for every county served by Eastern Idaho Public Health because the source did not identify a single affected county. Full Press Release Eastern Idaho – Following two separate incidents where domestic pets encountered rabid bats in Idaho Falls and Rigby, local health officials are warning Eastern Idaho residents that rabies poses a serious threat to human and animal health. Because bat bites can go unnoticed, anyone who suspects they, a family member, or a […] The post Rabid Bats Found in Bonneville and Jefferson Counties; Rabies is Fatal if Treatment is Not Administered after Exposure appeared first on Eastern Idaho Public Health. Full Press Release Eastern Idaho – Following two separate incidents where domestic pets encountered rabid bats in Idaho Falls and Rigby, local health officials are warning Eastern Idaho residents that rabies poses a serious threat to human and animal health. Because bat bites can go unnoticed, anyone who suspects they, a family member, or a pet may have been exposed to a bat must seek immediate medical attention before symptoms develop. “It is essential to contact your health care provider immediately if you may have come into contact with a bat,” said Jordan McAdam, Epidemiologist at Eastern Idaho Public Health (EIPH). “If your pet has caught or played with a bat or other wild animal, contact your veterinarian immediately.” While the pets were exposed to infected bats, rabies is preventable in humans and domestic animals through immediate medical attention. Bats are the primary natural reservoir for the virus, and encounters increase in late summer/early fall. Dogs, cats, ferrets, and horses all require primary rabies vaccines and routine boosters every one to three years. Even indoor pets can be exposed if wildlife, such as bats, enter the home. To protect yourself and your pets, EIPH offers the following safety measures: Protect Beforehand:
View source on Idaho Public Health District 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

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 Lemhi 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

39 links