Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Natrona County/Casper BLM |
| Effective: | 2026-06-16 @ 3:13 am -> 2026-06-16 @ 10:00 pm |
| Onset: | 2026-06-16 @ 1:00 pm -> 2026-06-16 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-06-16 @ 3:13 am |
| Headline: | Red Flag Warning issued June 16 at 2:13AM MDT until June 16 at 9:00PM MDT by NWS Riverton WY |
| Description: |
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: West-northwest 20 to 30 mph with gusts up to 40 mph. * HUMIDITY: As low as 12 percent. * TEMPERATURES: Highs in the upper 80s to near 90 degrees. |
| Alert: | Red Flag Warning |
| Area(s): | Fall River County Area; Pine Ridge Area; Southern Campbell; Weston County Plains |
| Effective: | 2026-06-16 @ 2:53 am -> 2026-06-16 @ 11:00 am |
| Onset: | 2026-06-16 @ 1:00 pm -> 2026-06-16 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-06-16 @ 2:53 am |
| Headline: | Red Flag Warning issued June 16 at 1:53AM MDT until June 16 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, PINE RIDGE AREA, SOUTHERN CAMPBELL, AND WESTON COUNTY PLAINS... .Very warm, dry, and windy conditions will lead to widespread critical fire weather conditions across portions of northeastern Wyoming and southwestern South Dakota this afternoon and evening. Humidities will drop to as low as 13 percent with northwest winds gusting up to 35 mph. The National Weather Service in Rapid City SD has issued a Red Flag Warning. * AFFECTED AREA...Fire Weather Zones 315, 317, 322, and 326. * TIMING...From noon today to 8 PM MDT this evening. * WINDS...Northwest winds 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 13 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |
| Alert: | High Wind Warning |
| Area(s): | Central Laramie Range and Southwest Platte County |
| Effective: | 2026-06-16 @ 1:21 am -> 2026-06-16 @ 7:00 pm |
| Onset: | 2026-06-16 @ 10:00 pm -> 2026-06-17 @ 10:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-16 @ 1:21 am |
| Headline: | High Wind Warning issued June 16 at 12:21AM MDT until June 17 at 9:00AM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. This includes between mile markers 46 and 80. * WHEN...From 9 PM this evening to 9 AM MDT Wednesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2026-06-16 @ 1:21 am -> 2026-06-16 @ 7:00 pm |
| Onset: | 2026-06-16 @ 7:00 pm -> 2026-06-17 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-16 @ 1:21 am |
| Headline: | High Wind Warning issued June 16 at 12:21AM MDT until June 17 at 12:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. This includes between mile markers 240 and 290. * WHEN...From 6 PM this evening to noon MDT Wednesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |
| Alert: | High Wind Warning |
| Area(s): | South Laramie Range; South Laramie Range Foothills |
| Effective: | 2026-06-16 @ 1:21 am -> 2026-06-16 @ 7:00 pm |
| Onset: | 2026-06-16 @ 10:00 pm -> 2026-06-17 @ 4:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-16 @ 1:21 am |
| Headline: | High Wind Warning issued June 16 at 12:21AM MDT until June 17 at 3:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 9 PM this evening to 3 PM MDT Wednesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |
| Alert: | Red Flag Warning |
| Area(s): | Laramie Foothills and High Plains; Laramie East High Plains |
| Effective: | 2026-06-15 @ 9:57 pm -> 2026-06-16 @ 7:00 pm |
| Onset: | 2026-06-16 @ 1:00 pm -> 2026-06-17 @ 11:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 9:57 pm |
| Headline: | Red Flag Warning issued June 15 at 8:57PM MDT until June 17 at 10:00PM MDT by NWS Cheyenne WY |
| Description: |
The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon Tuesday to 10 PM MDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 430 and 431. * WIND... On Tuesday, west to northwest winds gusting 25 to 40 mph. On Wednesday, northwest winds gusting 35 to 55 mph. * HUMIDITY...On Tuesday 10 to 14 percent. On Wednesday, 12 to 20 percent. Poor recoveries expected Tuesday night. * 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; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin |
| Effective: | 2026-06-15 @ 9:57 pm -> 2026-06-16 @ 7:00 pm |
| Onset: | 2026-06-16 @ 1:00 pm -> 2026-06-17 @ 11:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 9:57 pm |
| Headline: | Red Flag Warning issued June 15 at 8:57PM MDT until June 17 at 10:00PM MDT by NWS Cheyenne WY |
| Description: |
The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon Tuesday to 10 PM MDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 417, 418, 432, 433, 434, 435, 436, and 437. * WIND... On Tuesday, west to northwest winds gusting 25 to 40 mph. On Wednesday, northwest winds gusting 35 to 55 mph. * HUMIDITY...On Tuesday 10 to 14 percent. On Wednesday, 12 to 20 percent. Poor recoveries expected Tuesday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |