CASPER, Wyo. — Thunderstorms that could produce outflow wind gusts of 45–55 mph are possible in western and central Wyoming on Monday, and some strong storms are possible over Yellowstone National Park, according to the National Weather Service in Riverton.
The southwest and south central parts of the state are expected to see elevated fire danger on Monday due to dry air and gusting winds, the NWS in Riverton forecasts.
The Casper area has a 20% chance for showers and thunderstorms after 3 p.m. Monday, and the NWS in Riverton predicts Casper’s high will reach near 79 degrees. There is also a 20% chance of showers and thunderstorms on Monday night in Casper.
Thunderstorms will again be possible in western and central Wyoming on Tuesday. Casper’s high is expected to reach near 68 degrees on Tuesday, with a 20% chance of showers and thunderstorms on Tuesday night before midnight, according to the NWS in Riverton.
Elevated fire danger is expected across the region on Wednesday due to dry air and gusting winds, according to the NWS in Riverton. Casper is expected to reach near 78 degrees on Wednesday with wind gusts up to 33 mph possible.
A larger weather system is expected to move into the region on Thursday and Friday and could bring widespread rain and snow showers along with strong winds, the NWS in Riverton forecasts. Casper has a 40% chance of showers and thunderstorms after noon Thursday, with wind gusts up to 38 mph possible. The high is expected to reach near 66 degrees.
Friday brings a 30% chance of rain and snow showers to Casper, with a high near 47 degrees expected, according to the NWS in Riverton. There is a 20% chance of snow overnight in Casper on Friday. Saturday is expected to see a high near 55 degrees, with a high near 65 degrees forecast for Sunday.