(Gillette, Wyo.) According to the National Weather Service out of Rapid City, the high for today is 58°F with the low for tonight being 42°F. Mostly sunny with a southeast wind of 10 to 16 mph and gusts of 23 mph are expected. Scattered rain showers in the afternoon. Tonight partly cloudy with decreasing winds of 5 to 11 mph with gusts up to 16 mph. Possible rain showers tonight.