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Several rounds of storms with heavy rain likely through Saturday evening

Afternoon storm chances will fall to 40% before rising to 50% overnight.

Cloudy skies above Interstate 90 in Gillette on Friday, Sept. 22, 2023. (Wyoming Department of Transportation)

GILLETTE, Wyo. — The weekend is just one work day away, but Mother Nature is already ready to rock.

Showers and thunderstorms are likely in and around Campbell County today thanks to an upper-level low marching east through the region, according to the National Weather Service in Rapid City, South Dakota. Southeast flow will bring plenty of moisture to the atmosphere, priming it for a 70% chance of morning showers. Thunderstorms will be likely this afternoon as the high maxes out around 67.

Afternoon storm chances will fall to 40% before rising to 50% overnight. The low tonight is forecast at 44 degrees.

A 40% chance for rain continues into Saturday morning as the last of the disturbance moves east out of the region. Skies will otherwise be mostly cloudy and the high will top out around 60 degrees. Breezy conditions are expected with a northwest wind of 11–20 mph and gusts of up to 30 mph. Skies will clear for Saturday night. The low will be near 44 as winds continue at 9–17 mph, according to the forecast.

Clear skies will be on tap for the remainder of the short-term forecast. Temperatures also will be on the rise — Sunday’s high should get to 69 while Monday’s should reach 76 and Tuesday’s should reach 79. Overnight lows will be in the mid- to high 40s.

More on the forecast is available from the National Weather Service in Rapid City.