Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Red Flag Warning
Area(s): Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties
Effective: 2026-05-03 @ 2:23 pm -> 2026-05-03 @ 10:00 pm
Onset: 2026-05-03 @ 2:23 pm -> 2026-05-03 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-05-03 @ 2:23 pm
Headline: Red Flag Warning issued May 3 at 1:23PM MDT until May 3 at 9:00PM MDT by NWS Glasgow MT
Description: * AFFECTED AREA...Fire weather zones 120 and 122 in northeast
Montana.

* WIND...West to northwest at 15 to 25 mph, gusting up to 40
mph.

* HUMIDITY...As low as 10 to 15 percent.

* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.

Alert: Lake Wind Advisory
Area(s): Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone
Effective: 2026-05-03 @ 2:16 pm -> 2026-05-04 @ 8:00 pm
Onset: 2026-05-03 @ 3:00 pm -> 2026-05-04 @ 4:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-05-03 @ 2:16 pm
Headline: Lake Wind Advisory issued May 3 at 1:16PM MDT until May 4 at 7:00PM MDT by NWS Glasgow MT
Description: * WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph
expected.

* WHERE...Fort Peck Lake.

* WHEN...Until 7 PM MDT Monday.

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