Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Big Horn, MT; Sheridan, WY |
| Effective: | 2026-06-22 @ 5:47 pm -> 2026-06-22 @ 6:45 pm |
| Onset: | 2026-06-22 @ 5:47 pm -> 2026-06-22 @ 6:45 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Billings MT on 2026-06-22 @ 5:47 pm |
| Headline: | Severe Thunderstorm Warning issued June 22 at 4:47PM MDT until June 22 at 5:45PM MDT by NWS Billings MT |
| Description: |
SVRBYZ The National Weather Service in Billings has issued a * Severe Thunderstorm Warning for... Southeastern Big Horn County in south central Montana... Eastern Sheridan County in north central Wyoming... * Until 545 PM MDT. * At 447 PM MDT, A severe thunderstorm was located 10 miles southeast of Lodge Grass, or 31 miles northwest of Sheridan, moving southeast at 55 mph. THIS IS A DESTRUCTIVE STORM FOR EAST OF LODGE GRASS. HAZARD...80 mph wind gusts and two inch hail. SOURCE...A weather station west of Lodge Grass reported a wind gust of 71 mph at 4:30. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. * Locations impacted include... Tongue River Reservoir, Rosebud Battlefield Park and Wyola. |
| Alert: | Flash Flood Warning |
| Area(s): | Rosebud, MT |
| Effective: | 2026-06-22 @ 4:42 pm -> 2026-06-22 @ 6:15 pm |
| Onset: | 2026-06-22 @ 4:42 pm -> 2026-06-22 @ 6:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Billings MT on 2026-06-22 @ 4:42 pm |
| Headline: | Flash Flood Warning issued June 22 at 3:42PM MDT until June 22 at 5:15PM MDT by NWS Billings MT |
| Description: |
At 342 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the North Remington/McGhee Burn Scar. Up to 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Flash flooding caused by thunderstorms in and around the North Remington/McGhee Burn Scar. SOURCE...Radar indicated. IMPACT...Flooding of areas in and downstream of the North Remington/McGhee Burn Scar. Some locations that will experience flash flooding include... Birney and Birney Village. |
| Alert: | Severe Thunderstorm Watch |
| Area(s): | Big Horn, MT; Carter, MT; Custer, MT; Fallon, MT; Powder River, MT; Rosebud, MT; Sheridan, WY |
| Effective: | 2026-06-22 @ 1:36 pm -> 2026-06-22 @ 9:00 pm |
| Onset: | 2026-06-22 @ 1:36 pm -> 2026-06-22 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2026-06-22 @ 1:36 pm |
| Headline: | Severe Thunderstorm Watch issued June 22 at 12:36PM MDT until June 22 at 8:00PM MDT by NWS Billings MT |
| Description: |
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 376 IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 6 COUNTIES IN SOUTH CENTRAL MONTANA BIG HORN IN SOUTHEAST MONTANA CARTER CUSTER FALLON POWDER RIVER ROSEBUD IN WYOMING THIS WATCH INCLUDES 1 COUNTY IN NORTH CENTRAL WYOMING SHERIDAN THIS INCLUDES THE CITIES OF ASHLAND, BAKER, BROADUS, COLSTRIP, CROW AGENCY, EKALAKA, FORSYTH, HARDIN, LAME DEER, MILES CITY, AND SHERIDAN. |