I-90 weather conditions near Spearfish, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 57°F 2024-05-14T00:15:00-06:00
Overnight 2024-05-14, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind 6 to 9 mph.
Tuesday 2024-05-14, Showers Likely. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 64. Northwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night 2024-05-14, Chance T-storms then Slight Chance T-storms. A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 47. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday 2024-05-15, Chance Showers then Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night 2024-05-15, Partly Cloudy then Slight Chance Showers. A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47. Northwest wind 6 to 13 mph becoming southwest after midnight.
Thursday 2024-05-16, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Thursday Night 2024-05-16, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51. Northwest wind 9 to 15 mph becoming south in the evening. Winds could gust as high as 22 mph.
Friday 2024-05-17, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Sunny, with a high near 76. Southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night 2024-05-17, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Mostly clear, with a low around 50.
Saturday 2024-05-18, Sunny then Chance Showers. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Saturday Night 2024-05-18, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Sunday 2024-05-19, Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Sunday Night 2024-05-19, Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Monday 2024-05-20, Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Current condition: Mostly Cloudy 57°F 2024-05-14T00:15:00-06:00 
Overnight 2024-05-14, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind 6 to 9 mph.
Tuesday 2024-05-14, Showers Likely. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 64. Northwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.Tuesday Night 2024-05-14, Chance T-storms then Slight Chance T-storms. A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 47. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday 2024-05-15, Chance Showers then Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night 2024-05-15, Partly Cloudy then Slight Chance Showers. A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47. Northwest wind 6 to 13 mph becoming southwest after midnight.
Thursday 2024-05-16, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Thursday Night 2024-05-16, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51. Northwest wind 9 to 15 mph becoming south in the evening. Winds could gust as high as 22 mph.Friday 2024-05-17, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Sunny, with a high near 76. Southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night 2024-05-17, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Mostly clear, with a low around 50.
Saturday 2024-05-18, Sunny then Chance Showers. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Sunday 2024-05-19, Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Sunday Night 2024-05-19, Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 44.