Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Winter Weather Advisory |
| Area(s): | Wind River Mountains West; Wind River Mountains East |
| Effective: | 2026-10-13 @ 3:02 am -> 2026-10-13 @ 7:00 pm |
| Onset: | 2026-10-13 @ 3:02 am -> 2026-10-14 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-10-13 @ 3:02 am |
| Headline: | Winter Weather Advisory issued October 13 at 2:02AM MDT until October 14 at 6:00AM MDT by NWS Riverton WY |
| Description: |
* WHAT...Snow expected. Total snow accumulations of a coating to 3 inches for elevations up to 9,000 feet. Snow accumulations of 3 to 12 inches are expected across elevations of 9,000 feet and above. * WHERE...Wind River Mountains East and Wind River Mountains West. * WHEN...Until 6 AM MDT Wednesday. The time of maximum impact is most likely Tuesday afternoon into Tuesday night. * IMPACTS...Travel could be difficult especially across the backcountry. The hazardous conditions may impact the commutes across South Pass. |
| Alert: | Dense Fog Advisory |
| Area(s): | South Laramie Range; South Laramie Range Foothills |
| Effective: | 2026-10-12 @ 10:04 pm -> 2026-10-13 @ 8:00 am |
| Onset: | 2026-10-12 @ 10:04 pm -> 2026-10-13 @ 8:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-10-12 @ 10:04 pm |
| Headline: | Dense Fog Advisory issued October 12 at 9:04PM MDT until October 13 at 7:00AM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...Visibility of one quarter of a mile or less in dense fog. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...Until 7 AM MDT Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous. |
| Alert: | Special Weather Statement |
| Area(s): | Absaroka Mountains; Teton and Gros Ventre Mountains; Salt River and Wyoming Ranges |
| Effective: | 2026-10-12 @ 2:30 pm -> 2026-10-13 @ 1:00 pm |
| Onset: | 2026-10-12 @ 2:30 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-10-12 @ 2:30 pm |
| Headline: | Special Weather Statement issued October 12 at 1:30PM MDT by NWS Riverton WY |
| Description: |
Rounds of precipitation are expected to move across portions of WY starting Monday afternoon through Tuesday evening. Colder temperatures should support wet snowfall across the higher elevations mainly above 9,000 ft. * WHAT...Periods of light to moderate wet snowfall with total snow accumulations of a coating to 3 inches. The highest elevations above 10,000 ft may see accumulations of 3 to 6 inches. * WHERE...Elevations mainly above 9,000 ft across the Teton, Gros Ventre, and Absaroka Ranges. * WHEN...Monday afternoon through Tuesday evening. * ADDITIONAL DETAILS...Travel may be difficult in the backcountry and especially at higher elevations. Plan accordingly if headed into the backcountry for any outdoor activities. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter. |
