I-90 weather conditions near Rapid City, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 39°F 2025-11-22T22:52:00-07:00 
Tonight 2025-11-22, Mostly Clear. Mostly clear, with a low around 39. Southwest wind around 8 mph, with gusts as high as 16 mph.
Sunday 2025-11-23, Sunny. Sunny, with a high near 61. West wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.- Sunday Night 2025-11-23, Mostly Clear. Mostly clear, with a low around 36. West wind 3 to 6 mph.
Monday 2025-11-24, Partly Sunny. Partly sunny, with a high near 54. West wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.Monday Night 2025-11-24, Blustery. Chance Rain/Snow then Chance Snow. A chance of rain before 8pm, then a chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 26. Blustery, with a northwest wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday 2025-11-25, Slight Chance Snow and Breezy. A 20 percent chance of snow. Mostly sunny, with a high near 35. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 47 mph.- Tuesday Night 2025-11-25, Partly Cloudy. Partly cloudy, with a low around 20. West wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 38. Northeast wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night 2025-11-26, Mostly Cloudy. Mostly cloudy, with a low around 22.- Thanksgiving Day 2025-11-27, Partly Sunny. Partly sunny, with a high near 38.
Thursday Night 2025-11-27, Slight Chance Snow then Mostly Cloudy. A slight chance of snow. Mostly cloudy, with a low around 24.
Friday 2025-11-28, Slight Chance Snow. A slight chance of snow. Mostly cloudy, with a high near 40.
Friday Night 2025-11-28, Slight Chance Snow. A slight chance of snow. Mostly cloudy, with a low around 22.- Saturday 2025-11-29, Snow Likely. Snow likely. Mostly cloudy, with a high near 31.