Active Weather Alerts
Flash Flood Watch
Issued: 9:50 AM Aug. 12, 2026 – National Weather Service
...FLASH FLOOD WATCH FOR THE HORSE GULCH BURN SCAR IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... * WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Horse Gulch burn scar. * WHERE...A portion of central Montana, including the following areas, Horse Gulch burn scar, including Riverside Campground. * WHEN...From this afternoon through late tonight. * IMPACTS...Heavy rainfall over the Horse Gulch burn scar is expected up to and during the period of the watch. Residents near the Horse Gulch burn scar should prepare for potential debris flow. Be sure to stay up to date with information from local authorities. Heavy rainfall could trigger flash flooding of low-lying areas, urbanized street flooding, and debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - National Weather Service Meteorologists are forecasting heavy rainfall over the Horse Gulch burn scar, which may lead to flash flooding and debris flows. Additional heavy rainfall is possible Thursday and Friday, and additional flood statements might be needed for those days as well. - Some locations that may experience flash flooding include... Horse Gulch burn scar and Riverside Campground. - For flood safety, go to this web page. http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Air Quality Alert
Issued: 2:16 PM Aug. 11, 2026 – National Weather Service
...AIR QUALITY ALERT IN EFFECT... The Montana Department of Environmental Quality has issued an air quality alert for Beaverhead, Deer Lodge, Gallatin, Granite, Madison, Park, Flathead, Jefferson, Lake, Lewis and Clark, Lincoln, Mineral, Missoula, Powell, Ravalli, and Silver Bow counties in effect until 9AM on 08/12/2026 An Air Quality Alert means that particulates have been trending upwards and that an exceedance of the 24 hour National Ambient Air Quality Standard (NAAQS) has occurred or may occur in the near future. Elevated particulate levels from wildfire smoke As of 8AM on 08/11/2026, particulate levels in Missoula are Unhealthy. As of 8AM on 08/11/2026, particulate levels in Dillon, Frenchtown, Great Falls and Hamilton are Unhealthy for Sensitive Groups. As of 8AM on 08/11/2026, particulate levels in Billings, Butte, Choteau, Columbia Falls, Cut Bank, Helena, Lewistown, Libby, Malta, Thompson Falls and West Yellowstone are Moderate. When air quality is Unhealthy... State and local health officials recommend that people with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. When air quality is Unhealthy for Sensitive Groups... State and local health officials recommend that people with respiratory or heart disease, the elderly and children should limit prolonged exertion. When air quality is Moderate... State and local health officials recommend that unusually sensitive people should consider reducing prolonged or heavy exertion. For more information visit the Montana Department of Environmental Quality at http://todaysair.mtdeq.us
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