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: | 2026-05-03 @ 9:14 am -> 2026-05-04 @ 8:00 pm |
| Onset: | 2026-05-03 @ 3:00 pm -> 2026-05-04 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-05-03 @ 9:14 am |
| Headline: | Lake Wind Advisory issued May 3 at 8:14AM 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...Central and Southeast Phillips, Central and Southern Valley, Garfield, McCone, and Petroleum Counties. * WHEN...From 2 PM this afternoon to 7 PM MDT Monday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. |
| Alert: | Red Flag Warning |
| Area(s): | Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties |
| Effective: | 2026-05-03 @ 1:36 am -> 2026-05-03 @ 10:00 pm |
| Onset: | 2026-05-03 @ 11:00 am -> 2026-05-03 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-05-03 @ 1:36 am |
| Headline: | Red Flag Warning issued May 3 at 12:36AM 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. |