Cheyenne, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Central Laramie County; East Laramie County |
| Effective: | 2026-08-13 @ 6:09 pm -> 2026-08-13 @ 6:45 pm |
| Onset: | 2026-08-13 @ 6:09 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Cheyenne WY on 2026-08-13 @ 6:09 pm |
| Headline: | Special Weather Statement issued August 13 at 5:09PM MDT by NWS Cheyenne WY |
| Description: |
At 508 PM MDT, Doppler radar was tracking a strong thunderstorm near Whitaker, or 20 miles north of Cheyenne, moving east at 20 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Small, accumulating hail may cause roadways to become slick. This storm will remain over mainly rural areas of north central Laramie County. |
| Alert: | Special Weather Statement |
| Area(s): | Natrona County Lower Elevations |
| Effective: | 2026-08-13 @ 5:58 pm -> 2026-08-13 @ 6:45 pm |
| Onset: | 2026-08-13 @ 5:58 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Riverton WY on 2026-08-13 @ 5:58 pm |
| Headline: | Special Weather Statement issued August 13 at 4:58PM MDT by NWS Riverton WY |
| Description: |
At 458 PM MDT, Doppler radar was tracking a strong thunderstorm near Waltman Rest Area, which is 43 miles northeast of Jeffrey City, moving east at 25 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Powder River. |
| Alert: | Flood Watch |
| Area(s): | Box Butte; Scotts Bluff; Banner; Morrill; Kimball; Cheyenne; South Laramie Range Foothills; Central Laramie County; East Laramie County |
| Effective: | 2026-08-13 @ 3:42 am -> 2026-08-13 @ 11:00 pm |
| Onset: | 2026-08-13 @ 4:00 pm -> 2026-08-13 @ 11:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Cheyenne WY on 2026-08-13 @ 3:42 am |
| Headline: | Flood Watch issued August 13 at 2:42AM MDT until August 13 at 10:00PM MDT by NWS Cheyenne WY |
| Description: |
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of panhandle Nebraska, including the following areas, Banner County, Box Butte County, Cheyenne County, Kimball County, Morrill County and Scotts Bluff County and southeast Wyoming, including the following areas, Central Laramie County, East Laramie County and South Laramie Range Foothills. * WHEN...From this afternoon through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Strong thunderstorms with heavy rainfall will be possible. Precipitation rates of 1 to 2 inches in an hour or less may occur locally in the strongest thunderstorms. Areas that received significant precipitation yesterday may also receive additional moderate to heavy precipitation today. - http://www.weather.gov/safety/flood |