Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | High Wind Warning |
| Area(s): | North Snowy Range Foothills |
| Effective: | 2025-12-12 @ 6:10 am -> 2025-12-13 @ 9:00 am |
| Onset: | 2025-12-12 @ 6:00 pm -> 2025-12-12 @ 5:30 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2025-12-12 @ 6:10 am |
| Headline: | High Wind Warning issued December 12 at 5:10AM MST until December 13 at 8:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 5 PM this afternoon to 8 AM MST Saturday. * 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): | Central Laramie Range and Southwest Platte County; South Laramie Range |
| Effective: | 2025-12-12 @ 6:10 am -> 2025-12-13 @ 9:00 am |
| Onset: | 2025-12-12 @ 6:00 pm -> 2025-12-12 @ 5:30 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2025-12-12 @ 6:10 am |
| Headline: | High Wind Watch issued December 12 at 5:10AM MST until December 13 at 8:00AM MST by NWS Cheyenne WY |
| Description: |
* WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range including the Interstate 80 Summit between Cheyenne and Laramie, and Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From 5 PM MST this afternoon through Saturday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2025-12-12 @ 3:10 am -> 2025-12-12 @ 1:00 pm |
| Onset: | 2025-12-12 @ 3:10 am -> 2025-12-12 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-12 @ 3:10 am |
| Headline: | Winter Weather Advisory issued December 12 at 2:10AM MST until December 12 at 12:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to 3 inches. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until noon MST today. * IMPACTS...Plan on slick road conditions. The hazardous conditions will impact the Friday morning commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bighorn Canyon; Northern Carbon; Sheridan Foothills |
| Effective: | 2025-12-12 @ 3:10 am -> 2025-12-12 @ 1:00 pm |
| Onset: | 2025-12-12 @ 3:10 am -> 2025-12-12 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-12 @ 3:10 am |
| Headline: | Winter Weather Advisory issued December 12 at 2:10AM MST until December 12 at 12:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to three inches. * WHERE...In Montana, Bighorn Canyon and Northern Carbon. In Wyoming, Sheridan Foothills. * WHEN...Until noon MST today. * IMPACTS...Plan on slick road conditions. The hazardous conditions will impact the Friday morning commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northeast Johnson County |
| Effective: | 2025-12-11 @ 1:56 pm -> 2025-12-12 @ 8:00 am |
| Onset: | 2025-12-11 @ 6:00 pm -> 2025-12-12 @ 8:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-11 @ 1:56 pm |
| Headline: | Winter Weather Advisory issued December 11 at 12:56PM MST until December 12 at 7:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations of 0.5 to 2 inches. Gusty winds of 20 to 35 mph Thursday night. * WHERE...Northeast Johnson County. * WHEN...From 5 PM this afternoon to 7 AM MST Friday. * IMPACTS...Travel could become difficult and slippery from 8PM Thursday until Friday morning as rapidly falling temperatures combined with rain changing to snow may result in a flash freeze on some roads. This includes Interstate 90 through Buffalo. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bighorn Mountains West; Bighorn Mountains Southeast |
| Effective: | 2025-12-11 @ 1:56 pm -> 2025-12-12 @ 8:00 am |
| Onset: | 2025-12-11 @ 6:00 pm -> 2025-12-12 @ 8:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2025-12-11 @ 1:56 pm |
| Headline: | Winter Weather Advisory issued December 11 at 12:56PM MST until December 12 at 7:00AM MST by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 6 and 10 inches along and north of Powder River Pass. Gusty winds of 25 to 35 mph, with an occasional gust up to 45 mph possible. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...From 5 PM this afternoon to 7 AM MST Friday. * IMPACTS...Travel could be difficult, especially over Powder River Pass. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...Snow accumulations are expected to be along and north of Powder River Pass. Snow accumulations ranging from a trace to 1 inch possible south of Powder River Pass. |