Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone |
| Effective: | 2026-07-06 @ 10:30 pm -> 2026-07-07 @ 5:00 pm |
| Onset: | 2026-07-07 @ 1:00 am -> 2026-07-07 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-07-06 @ 10:30 pm |
| Headline: | Lake Wind Advisory issued July 6 at 9:30PM MDT until July 7 at 6:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...East southeast winds 15 to 20 mph with gusts up to 30 mph expected. * WHERE...Fort Peck Lake. * WHEN...12 AM MDT Tuesday through 6 PM MDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Waves as high as 4 feet are expected. |
| Alert: | Flood Watch |
| Area(s): | Central and Southern Valley; Western Roosevelt; Garfield; McCone; Richland; Dawson; Prairie; Wibaux |
| Effective: | 2026-07-06 @ 2:04 pm -> 2026-07-07 @ 11:00 am |
| Onset: | 2026-07-06 @ 11:00 pm -> 2026-07-08 @ 3:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Glasgow MT on 2026-07-06 @ 2:04 pm |
| Headline: | Flood Watch issued July 6 at 1:04PM MDT until July 8 at 2:00AM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Flash flooding caused by excessive rainfall is 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...From 10 PM MDT this evening through late Tuesday night. * 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... - Given recent excessive rainfall in the area and good model agreement, the next upcoming storm system has the potential to bring periods of moderate rainfall to portions of northeast Montana. Typical flood prone areas may see standing water or nuisance flooding during this time period. - http://www.weather.gov/safety/flood |