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: 2026-07-07 @ 9:42 am -> 2026-07-07 @ 7:00 pm
Onset: 2026-07-07 @ 9:42 am -> 2026-07-07 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-07-07 @ 9:42 am
Headline: Lake Wind Advisory issued July 7 at 8:42AM MDT until July 7 at 6:00PM MDT by NWS Glasgow MT
Description: * WHAT...East winds 15 to 20 mph with gusts up to 30 mph.

* WHERE...Fort Peck Lake.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft.

* ADDITIONAL DETAILS...Wave heights 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: 2026-07-07 @ 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