Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains |
| Effective: | 2026-08-14 @ 5:32 pm -> 2026-08-14 @ 6:15 pm |
| Onset: | 2026-08-14 @ 5:32 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-08-14 @ 5:32 pm |
| Headline: | Special Weather Statement issued August 14 at 4:32PM MDT by NWS Great Falls MT |
| Description: |
At 432 PM MDT, Doppler radar was tracking a strong thunderstorm 19 miles northeast of Leadore, or 31 miles southwest of Dillon, moving east at 20 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Clark Canyon and Grant. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Missoula, MT; Sanders, MT |
| Effective: | 2026-08-14 @ 5:30 pm -> 2026-08-14 @ 6:15 pm |
| Onset: | 2026-08-14 @ 5:30 pm -> 2026-08-14 @ 6:15 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Missoula MT on 2026-08-14 @ 5:30 pm |
| Headline: | Severe Thunderstorm Warning issued August 14 at 4:30PM MDT until August 14 at 5:15PM MDT by NWS Missoula MT |
| Description: |
SVRMSO The National Weather Service in Missoula has issued a * Severe Thunderstorm Warning for... Southeastern Sanders County in northwestern Montana... Central Missoula County in west central Montana... * Until 515 PM MDT. * At 430 PM MDT, a severe thunderstorm was located 7 miles northwest of Frenchtown, or 21 miles northwest of Missoula, moving east at 25 mph. HAZARD...Quarter size hail. Heavy rainfall. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Heavy rainfall will cause localized flooding in flood prone areas, including debris/rock flow. * Locations impacted include... Frenchtown, Wye, Evaro and Huson, and portions of Interstate 90. |
| Alert: | Flash Flood Watch |
| Area(s): | Northwest Beaverhead County |
| Effective: | 2026-08-14 @ 2:50 pm -> 2026-08-14 @ 10:00 pm |
| Onset: | 2026-08-14 @ 2:50 pm -> 2026-08-14 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-08-14 @ 2:50 pm |
| Headline: | Flash Flood Watch issued August 14 at 1:50PM MDT until August 14 at 9:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Flash flooding and debris flows caused by excessive rainfall continue to be possible across the Bobcat Lakes and Sand Creek burn scars in the Pioneer Mountains * WHERE...The Pioneer Mountain range. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Heavy rainfall over the Pioneer Mountains is possible during the period of the watch. Residents near the fires and burn scars 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, and debris flows in and near recent wildfire burn scars. * ADDITIONAL DETAILS... - National Weather Service Meteorologists are forecasting heavy rainfall over the burn scar, which may lead to flash flooding and debris flows. - http://www.weather.gov/safety/flood |