Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Fergus, MT |
| Effective: | 2026-07-07 @ 6:19 pm -> 2026-07-07 @ 7:15 pm |
| Onset: | 2026-07-07 @ 6:19 pm -> 2026-07-07 @ 7:15 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Great Falls MT on 2026-07-07 @ 6:19 pm |
| Headline: | Severe Thunderstorm Warning issued July 7 at 5:19PM MDT until July 7 at 6:15PM MDT by NWS Great Falls MT |
| Description: |
SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northeastern Fergus County in central Montana... * Until 615 PM MDT. * At 519 PM MDT, a severe thunderstorm was located 19 miles southwest of Zortman, moving southeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Valentine. |
| Alert: | Special Weather Statement |
| Area(s): | Fergus County below 4500ft |
| Effective: | 2026-07-07 @ 6:12 pm -> 2026-07-07 @ 7:00 pm |
| Onset: | 2026-07-07 @ 6:12 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-07-07 @ 6:12 pm |
| Headline: | Special Weather Statement issued July 7 at 5:12PM MDT by NWS Great Falls MT |
| Description: |
At 511 PM MDT, Doppler radar was tracking a strong thunderstorm 19 miles southwest of Zortman, moving southeast at 25 mph. HAZARD...Wind gusts up to 50 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of northeastern Fergus County. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Phillips, MT |
| Effective: | 2026-07-07 @ 6:02 pm -> 2026-07-07 @ 7:00 pm |
| Onset: | 2026-07-07 @ 6:02 pm -> 2026-07-07 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-07-07 @ 6:02 pm |
| Headline: | Severe Thunderstorm Warning issued July 7 at 5:02PM MDT until July 7 at 6:00PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Southwestern Phillips County in northeastern Montana... * Until 600 PM MDT. * At 502 PM MDT, a severe thunderstorm was located 18 miles southwest of Zortman, moving southeast at 25 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... Fred Robinson Bridge. |
| Alert: | Flood Watch |
| Area(s): | Central and Southern Valley; Western Roosevelt; Garfield; McCone; Richland; Dawson; Prairie; Wibaux |
| Effective: | 2026-07-07 @ 9:41 am -> 2026-07-08 @ 3:00 am |
| Onset: | 2026-07-07 @ 9:41 am -> 2026-07-08 @ 3:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Glasgow MT on 2026-07-07 @ 9:41 am |
| Headline: | Flood Watch issued July 7 at 8:41AM MDT until July 8 at 2:00AM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northeast Montana, including the following areas, Central and Southern Valley, Dawson, Garfield, McCone, Prairie, Richland, Western Roosevelt and Wibaux. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Recent excessive rainfall in the area has caused near saturated ground conditions. The potential for heavy rainfall from thunderstorms into late tonight may cause flooding concerns. - http://www.weather.gov/safety/flood |