Cheyenne, Wyoming – Scattered thunderstorms are set to sweep across southeast Wyoming and the Nebraska panhandle Monday afternoon and evening, bringing gusty winds and frequent lightning that could disrupt travel and outdoor plans.
According to the National Weather Service in Cheyenne, the strongest storms will move in from the south after 12 p.m. Monday, July 21, and persist into the evening. Most activity will be high-based, with wind gusts topping 40 mph and intense cloud-to-ground lightning. Forecasters warn that storms tapping into deeper moisture in the Nebraska panhandle—including Scottsbluff, Sidney, and Alliance—could bring brief, heavy rainfall and isolated hail.
Cities at risk include Cheyenne, Torrington, Wheatland, and Laramie, as well as stretches of I-25, I-80, and U.S. 85. Travelers should remain alert for rapidly changing conditions, especially during the evening commute. Residents are urged to secure loose outdoor items, charge mobile devices, and stay indoors during lightning.
This round of storms follows a pattern seen earlier this summer, but the threat for hail appears highest near the Nebraska border. Updates and additional advisories could be issued if stronger storms develop late Monday.
Warnings remain in effect through Monday evening. Check local alerts for the latest updates.
