Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Jefferson, MT; Lewis and Clark, MT |
| Effective: | 2026-07-16 @ 4:59 pm -> 2026-07-16 @ 5:15 pm |
| Onset: | 2026-07-16 @ 4:59 pm -> 2026-07-16 @ 5:15 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Great Falls MT on 2026-07-16 @ 4:59 pm |
| Headline: | Severe Thunderstorm Warning issued July 16 at 3:59PM MDT until July 16 at 4:15PM MDT by NWS Great Falls MT |
| Description: |
At 358 PM MDT, a severe thunderstorm was located 11 miles northeast of Basin, or 12 miles north of Boulder, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Clancy, Wickes, Jefferson City, Alhambra, and Corbin. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Beaverhead, MT |
| Effective: | 2026-07-16 @ 4:55 pm -> 2026-07-16 @ 6:00 pm |
| Onset: | 2026-07-16 @ 4:55 pm -> 2026-07-16 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Great Falls MT on 2026-07-16 @ 4:55 pm |
| Headline: | Severe Thunderstorm Warning issued July 16 at 3:55PM MDT until July 16 at 5:00PM MDT by NWS Great Falls MT |
| Description: |
SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northern Beaverhead County in southwestern Montana... * Until 500 PM MDT. * At 354 PM MDT, a severe thunderstorm was located 19 miles west of Dillon, moving northeast at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Bannack and Bannack State Park. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Judith Basin, MT |
| Effective: | 2026-07-16 @ 4:53 pm -> 2026-07-16 @ 5:30 pm |
| Onset: | 2026-07-16 @ 4:53 pm -> 2026-07-16 @ 5:30 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Great Falls MT on 2026-07-16 @ 4:53 pm |
| Headline: | Severe Thunderstorm Warning issued July 16 at 3:53PM MDT until July 16 at 4:30PM MDT by NWS Great Falls MT |
| Description: |
At 352 PM MDT, severe thunderstorms were located along a line extending from 10 miles west of Hobson to 21 miles southwest of Stanford, moving east at 10 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Sapphire Village. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Cascade, MT; Lewis and Clark, MT |
| Effective: | 2026-07-16 @ 4:46 pm -> 2026-07-16 @ 5:30 pm |
| Onset: | 2026-07-16 @ 4:46 pm -> 2026-07-16 @ 5:30 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Great Falls MT on 2026-07-16 @ 4:46 pm |
| Headline: | Severe Thunderstorm Warning issued July 16 at 3:46PM MDT until July 16 at 4:30PM MDT by NWS Great Falls MT |
| Description: |
At 345 PM MDT, a severe thunderstorm was located 16 miles north of Wolf Creek, or 23 miles west of Cascade, moving southeast at 20 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Locations impacted include... Wolf Creek, Bowmans Corner, and Craig. |
| Alert: | Special Weather Statement |
| Area(s): | Red Lodge Foothills; Absaroka/Beartooth Mountains |
| Effective: | 2026-07-16 @ 4:31 pm -> 2026-07-16 @ 5:15 pm |
| Onset: | 2026-07-16 @ 4:31 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-07-16 @ 4:31 pm |
| Headline: | Special Weather Statement issued July 16 at 3:31PM MDT by NWS Billings MT |
| Description: |
At 331 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles west of Red Lodge, moving north at 15 mph. HAZARD...Wind gusts up to 40 mph and half inch size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Luther and Roscoe. |
| Alert: | Flash Flood Watch |
| Area(s): | Big Belt, Bridger and Castle Mountains |
| Effective: | 2026-07-15 @ 12:51 pm -> 2026-07-17 @ 1:00 am |
| Onset: | 2026-07-16 @ 3:00 pm -> 2026-07-17 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-07-15 @ 12:51 pm |
| Headline: | Flash Flood Watch issued July 15 at 11:51AM MDT until July 17 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* 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 area, Big Belt, Bridger and Castle Mountains. * WHEN...From Thursday afternoon through Thursday evening. * IMPACTS...Heavy rainfall over the Horse Gulch Burn Scar is expected up to and during the period of the watch. Rainfall rates of 0.25 to 0.75 of an inch per hour are possible with thunderstorms. 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 burn scar, which may lead to flash flooding and debris flows. - Some locations that may experience flash flooding include... Maudlow, Trident and York. - http://www.weather.gov/safety/flood |