Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-04-18 @ 3:12 pm -> 2026-04-18 @ 9:00 pm |
| Onset: | 2026-04-18 @ 3:12 pm -> 2026-04-18 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-18 @ 3:12 pm |
| Headline: | Red Flag Warning issued April 18 at 2:12PM MDT until April 18 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...RED FLAG WARNING IN EFFECT FROM 11 AM SUNDAY TO 8 PM MDT MONDAY FOR GUSTY WINDS, VERY LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 430, 431, 432, 433, 434, 435, 436, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 430 through 437. * WIND...For the First Red Flag Warning: West to northwest gusts between 25 to 35 mph. For the Second Red Flag Warning: West to northwest gusts to 20 mph Sunday, becoming light and variable overnight, then west to northwest gusts between 25 to 30 mph Monday. * HUMIDITY...For the Red Flag Warning: 12 to 15 percent. For the Fire Weather Watch: 7 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-04-18 @ 3:12 pm -> 2026-04-20 @ 9:00 pm |
| Onset: | 2026-04-19 @ 12:00 pm -> 2026-04-18 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-18 @ 3:12 pm |
| Headline: | Red Flag Warning issued April 18 at 2:12PM MDT until April 20 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...RED FLAG WARNING IN EFFECT FROM 11 AM SUNDAY TO 8 PM MDT MONDAY FOR GUSTY WINDS, VERY LOW HUMIDITY, AND POOR OVERNIGHT RECOVERIES FOR FIRE WEATHER ZONES 430, 431, 432, 433, 434, 435, 436, AND 437... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 430 through 437. * WIND...For the First Red Flag Warning: West to northwest gusts between 25 to 35 mph. For the Second Red Flag Warning: West to northwest gusts to 20 mph Sunday, becoming light and variable overnight, then west to northwest gusts between 25 to 30 mph Monday. * HUMIDITY...For the Red Flag Warning: 12 to 15 percent. For the Fire Weather Watch: 7 to 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Red Flag Warning |
| Area(s): | Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains |
| Effective: | 2026-04-18 @ 3:12 pm -> 2026-04-20 @ 9:00 pm |
| Onset: | 2026-04-19 @ 12:00 pm -> 2026-04-18 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-04-18 @ 3:12 pm |
| Headline: | Red Flag Warning issued April 18 at 2:12PM MDT until April 20 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 8 PM MDT Monday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 417 and 418. * WIND...West to northwest winds with gusts between 20 and 30 mph. * HUMIDITY...9 to 13 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |