Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Northern Big Horn; Northeastern Yellowstone |
| Effective: | 2026-06-22 @ 4:29 am -> 2026-06-22 @ 5:15 am |
| Onset: | 2026-06-22 @ 4:29 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-06-22 @ 4:29 am |
| Headline: | Special Weather Statement issued June 22 at 3:29AM MDT by NWS Billings MT |
| Description: |
At 329 AM MDT, Doppler radar was tracking a strong thunderstorm 7 miles northeast of Ballantine, or 27 miles northwest of Hardin, moving east 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... Pompeys Pillar. |
| Alert: | Flood Advisory |
| Area(s): | Musselshell, MT; Yellowstone, MT |
| Effective: | 2026-06-22 @ 4:21 am -> 2026-06-22 @ 7:15 am |
| Onset: | 2026-06-22 @ 4:21 am -> 2026-06-22 @ 7:15 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-06-22 @ 4:21 am |
| Headline: | Flood Advisory issued June 22 at 3:21AM MDT until June 22 at 6:15AM MDT by NWS Billings MT |
| Description: |
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Musselshell County in central Montana... North Central Yellowstone County in south central Montana... * WHEN...Until 615 AM MDT. * IMPACTS...Rises in small streams and minor flooding of low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 319 AM MDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2.5 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are expected over the area. - Some locations that will experience flooding include... Mainly rural areas of Southeastern Musselshell and North Central Yellowstone Counties. - http://www.weather.gov/safety/flood |