Weather Warnings for Idaho

Issued by the National Weather Service

Current watches, warnings, and advisories for Idaho
Alerts Updated: July 27, 2026, 1:01 am  UTC


Air Quality Alert issued July 26 at 12:54PM PDT by NWS Spokane WA

Summary: An Air Quality Alert has been issued by the following agencies: Idaho Department of Environmental Quality in Lewiston Nez Perce Tribe ...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties... * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties... * WHEN...Until noon July 27th. * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Severity:  Unknown    Effective:  July 26, 2026, 12:54 pm      Expires:  July 27, 2026, 2:00 pm
Area:  Latah, ID; Lewis, ID; Nez Perce, ID


Red Flag Warning issued July 26 at 10:58AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID

Summary: ...Increasing wind over the Salmon-Challis Monday... .High pressure over central Idaho will continue, but wind aloft will increase over this area and bring stronger wind to locations that already have low afternoon and early evening humidity. The wind is not expected to last into Tuesday. The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Monday. * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. For Fire Weather Zone 475, the risk is mainly a line from Skull Gulch RAWS to Ezra Creek RAWS to the south. For Fire Weather Zone 476, the risk is mainly on mid- slopes and ridges that are exposed to the stronger wind. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Moderate wind and very low humidity can lead to rapid spread of fire and more intense fire in receptive fuels.
Severity:  Severe    Effective:  July 26, 2026, 10:58 am      Expires:  July 27, 2026, 7:00 am
Area:  East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF


Air Quality Alert issued July 26 at 10:29AM MDT by NWS Boise ID

Summary: * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT TUESDAY. * IMPACTS...Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Severity:  Unknown    Effective:  July 26, 2026, 10:29 am      Expires:  July 27, 2026, 12:00 pm
Area:  Ada, ID; Adams, ID; Boise, ID; Canyon, ID; Elmore, ID; Gem, ID; Owyhee, ID; Payette, ID; Valley, ID; Washington, ID


Heat Advisory issued July 26 at 12:26AM MDT until July 26 at 9:00PM MDT by NWS Pocatello ID

Summary: * WHAT...Temperatures of 95 to 100 this afternoon. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Franklin/Eastern Oneida Region, Lower Snake River Plain, Marsh and Arbon Highlands, Raft River Region, Southern Hills/Albion Mountains, and Upper Snake River Plain. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Severity:  Moderate    Effective:  July 26, 2026, 12:26 am      Expires:  July 26, 2026, 9:00 pm
Area:  Shoshone/Lava Beds; Arco/Mud Lake Desert; Upper Snake River Plain; Lower Snake River Plain; Eastern Magic Valley; Southern Hills/Albion Mountains; Raft River Region; Marsh and Arbon Highlands; Franklin/Eastern Oneida Region


Air Quality Alert issued July 24 at 4:06PM PDT by NWS Spokane WA

Summary: An Air Quality Alert has been issued by the following agencies: Idaho Department of Environmental Quality in Lewiston Nez Perce Tribe ...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties... * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties... * WHEN...Until noon July 27th. * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Severity:  Unknown    Effective:  July 24, 2026, 4:06 pm      Expires:  July 27, 2026, 11:00 am
Area:  Latah, ID; Lewis, ID; Nez Perce, ID


Air Quality Alert issued July 24 at 4:56PM MDT by NWS Missoula MT

Summary: AQAMSO * WHAT...Air Quality Advisory due to smoke from wildfires. Air Quality Index ranging from Moderate to Unhealthy for Sensitive Groups. * WHERE...All Areas on the Nez Perce Reservation. * WHEN...Until 10:00 AM PDT Monday July 27. * IMPACTS...Those who experience health effects from smoke include children under 18, elders, pregnant women, people with asthma or have difficulty breathing, diabetes, heart problems or otherwise compromised health, and people who have high exposure (those who work, exercise, or spend extensive time outdoors).
Severity:  Unknown    Effective:  July 24, 2026, 4:56 pm      Expires:  July 27, 2026, 11:00 am
Area:  Orofino/Grangeville Region


Air Quality Alert issued July 24 at 4:30PM MDT by NWS Missoula MT

Summary: * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE... Clearwater and Idaho Counties. * WHEN... Until Noon 7/27/2026 * IMPACTS... Members of sensitive groups may experience health effects. The general public is less likely to be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS: Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Lewiston Regional Office at (208) 799-4370
Severity:  Unknown    Effective:  July 24, 2026, 4:30 pm      Expires:  July 27, 2026, 12:00 pm
Area:  Clearwater, ID; Idaho, ID


Air Quality Alert issued July 24 at 3:16PM PDT by NWS Spokane WA

Summary: An Air Quality Alert has been issued by the following agencies: Idaho Department of Environmental Quality in Lewiston ...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY FOR Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties outside of reservation boundaries... * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy for Sensitive Groups. * WHERE...Clearwater, Idaho, Latah, Lewis, and Nez Perce Counties outside of reservation boundaries... * WHEN...Until noon July 27th. * IMPACTS...Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Severity:  Unknown    Effective:  July 24, 2026, 3:16 pm      Expires:  July 27, 2026, 11:00 am
Area:  Latah, ID; Lewis, ID; Nez Perce, ID