Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Middle North Platte River Basin/Niobrara and Converse High Plains; North Laramie Range and Adjacent High Plains; North Laramie Valley/Shirley Basin; Ferris/Seminoe/Shirley Mountains; Central and West Carbon; North Snowy Range Foothills; Laramie Foothills and High Plains; Bordeaux/Chugwater/Wheatland |
| Effective: | 2026-10-05 @ 12:31 am -> 2026-10-05 @ 7:00 pm |
| Onset: | 2026-10-05 @ 1:00 pm -> 2026-10-05 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-10-05 @ 12:31 am |
| Headline: | Red Flag Warning issued October 4 at 11:31PM MDT until October 5 at 6:00PM MDT by NWS Cheyenne WY |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM MDT MONDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR A PORTION OF WY... * AFFECTED AREA...Portions of southeast Wyoming. * TIMING...From noon to 6 PM MDT Monday. * WINDS...West winds 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Relative Humidity between 10 to 15 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Sweetwater County/Rock Springs BLM/Flaming Gorge NRA; Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain |
| Effective: | 2026-10-04 @ 12:31 pm -> 2026-10-05 @ 6:45 am |
| Onset: | 2026-10-05 @ 1:00 pm -> 2026-10-05 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-10-04 @ 12:31 pm |
| Headline: | Red Flag Warning issued October 4 at 11:31AM MDT until October 5 at 6:00PM MDT by NWS Riverton WY |
| Description: |
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon to 6 PM MDT Monday. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...289...300. In Southwest WY Fire Zone....279. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater. * WIND: West 10 to 15 mph with gusts of 30 to 35 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs in the low to mid 80s. |
