GILLETTE, Wyo. — Today will be the last day of temperatures above 70 degrees for a while as high pressure moves out of the region and an upper low settles in with a cold front.
The skies should be mostly sunny today as the mercury climbs to 86 degrees. Winds are expected from the southwest at 9 to 14 mph with gusts to 22 mph.
The first chances for rain will come tonight under mostly cloudy skies. The low will fall to around 52 degrees, and the chance for rain is 20%.
That will pick up to 30% going into Friday, with the greatest chances for rain coming in the afternoon. Skies will be mostly cloudy and the high is expected to reach 66 degrees.
Rain chances ramp up to 70% for Friday night, including the chance for a thunderstorm before 9 p.m. and again after midnight, the National Weather Service in Rapid City, South Dakota, said. The low is expected to fall to around 48 degrees.
Saturday will see continued 60% chance for rain with thunderstorms possible after 3 p.m. Cloudy skies will limit the high to about 60 degrees as winds come from the north. Rain chances slide down Saturday night, falling from 50% to 20%, as the low drops to near 45.
Chances for rain continue through the weekend and into the next work week, and temperatures will struggle to get near the mid-60s, according to the forecast.