Weather Alerts For Spearfish, SD

URGENT - WEATHER MESSAGE National Weather Service Rapid City SD 148 AM MST Fri Jan 2 2026 Northern Foothills-Rapid City- Including the cities of Saint Onge, Rapid City, Whitewood, and Spearfish 148 AM MST Fri Jan 2 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Northern Foothills and Rapid City. * WHEN...Until 11 AM MST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. With temperatures below freezing, frost may form on roadways, especially on bridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&