Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Red Flag Warning |
| Area(s): | Natrona County/Casper BLM |
| Effective: | 2026-06-15 @ 2:51 pm -> 2026-06-16 @ 8:00 am |
| 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 2026-06-15 @ 2:51 pm |
| Headline: | Red Flag Warning issued June 15 at 1:51PM MDT until June 16 at 9:00PM 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 9 PM MDT Tuesday. The Fire Weather Watch is no longer in effect.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 Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: West 20 to 30 mph with gusts of 35 to 45 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs around 90. |
| 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 @ 1:17 pm -> 2026-06-15 @ 10:00 pm |
| Onset: | 2026-06-15 @ 1:17 pm -> 2026-06-15 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 1:17 pm |
| Headline: | Red Flag Warning issued June 15 at 12:17PM MDT until June 15 at 9:00PM MDT by NWS Cheyenne WY |
| Description: |
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 432, 433, 434, 435, 436, AND 437... * AFFECTED AREA...Fire weather zones 417, 418, 432, 433, 434, 435, 436, and 437. * WIND...On Monday, north to northwest winds gusting 25 to 35 mph. On Tuesday, west to northwest winds gusting 25 to 35 mph. On Wednesday, northwest winds gusting 35 to 50 mph. * HUMIDITY...10 to 15 percent each afternoon Monday through Wednesday. Poor recoveries expected Tuesday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Fire Weather Watch |
| Area(s): | Laramie Foothills and High Plains; Laramie East High Plains |
| Effective: | 2026-06-15 @ 1:17 pm -> 2026-06-15 @ 10:00 pm |
| Onset: | 2026-06-16 @ 1:00 pm -> 2026-06-17 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 1:17 pm |
| Headline: | Fire Weather Watch issued June 15 at 12:17PM MDT until June 17 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
* AFFECTED AREA...Fire weather zones 430 and 431. * WIND... On Tuesday, northwest winds gusting 30 to 40 mph. On Wednesday, northwest winds gusting 40 to 50 mph. * HUMIDITY...10 to 15 percent on Tuesday and Wednesday afternoons. Poor recoveries expected Tuesday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Fire Weather Watch |
| 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 @ 1:17 pm -> 2026-06-15 @ 10:00 pm |
| Onset: | 2026-06-16 @ 1:00 pm -> 2026-06-17 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 1:17 pm |
| Headline: | Fire Weather Watch issued June 15 at 12:17PM MDT until June 17 at 8:00PM MDT by NWS Cheyenne WY |
| Description: |
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 432, 433, 434, 435, 436, AND 437... * AFFECTED AREA...Fire weather zones 417, 418, 432, 433, 434, 435, 436, and 437. * WIND...On Monday, north to northwest winds gusting 25 to 35 mph. On Tuesday, west to northwest winds gusting 25 to 35 mph. On Wednesday, northwest winds gusting 35 to 50 mph. * HUMIDITY...10 to 15 percent each afternoon Monday through Wednesday. Poor recoveries expected Tuesday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | High Wind Watch |
| Area(s): | Central Laramie Range and Southwest Platte County |
| Effective: | 2026-06-15 @ 1:10 pm -> 2026-06-16 @ 7:00 am |
| Onset: | 2026-06-16 @ 10:00 pm -> 2026-06-17 @ 10:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 1:10 pm |
| Headline: | High Wind Watch issued June 15 at 12:10PM 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 possible. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. This includes between mile markers 46 and 80. * WHEN...From Tuesday evening through Wednesday morning. * 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 Watch |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2026-06-15 @ 1:10 pm -> 2026-06-16 @ 7:00 am |
| Onset: | 2026-06-16 @ 7:00 pm -> 2026-06-17 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 1:10 pm |
| Headline: | High Wind Watch issued June 15 at 12:10PM 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 possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. This includes between mile markers 240 and 290. * WHEN...From Tuesday evening through Wednesday morning. * 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 Watch |
| Area(s): | South Laramie Range; South Laramie Range Foothills |
| Effective: | 2026-06-15 @ 1:10 pm -> 2026-06-16 @ 7:00 am |
| Onset: | 2026-06-16 @ 10:00 pm -> 2026-06-17 @ 4:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-06-15 @ 1:10 pm |
| Headline: | High Wind Watch issued June 15 at 12:10PM MDT until June 17 at 3:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From Tuesday evening through Wednesday afternoon. * 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): | Fall River County Area; Pine Ridge Area; Badlands Area; Bennett County Area; Weston County Plains |
| Effective: | 2026-06-15 @ 1:03 pm -> 2026-06-15 @ 9:00 pm |
| Onset: | 2026-06-15 @ 1:03 pm -> 2026-06-15 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Rapid City SD on 2026-06-15 @ 1:03 pm |
| Headline: | Red Flag Warning issued June 15 at 12:03PM MDT until June 15 at 8:00PM MDT by NWS Rapid City SD |
| Description: |
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, PINE RIDGE AREA, BADLANDS AREA, BENNETT COUNTY AREA, AND WESTON COUNTY PLAINS... .Warmer dry air will push into the area. Relative humidity across portions of northeastern Wyoming and far southwestern South Dakota will drop to near 15 percent. The dry air will combine with gusty northwest winds to support critical fire weather conditions this afternoon and early evening. * AFFECTED AREA...Fire Weather Zones 317, 322, 326, 332, and 333. * TIMING...Until 8 PM MDT this evening. * WINDS...Northwest winds 15 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 15 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended. |