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: Overcast 36°F 2024-05-02T03:35:00-06:00 
Overnight 2024-05-02, Slight Chance Showers. A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 34. West wind around 9 mph, with gusts as high as 17 mph.Thursday 2024-05-02, Sunny then Chance Showers. A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 57. West wind 10 to 18 mph, with gusts as high as 25 mph.
Thursday Night 2024-05-02, Mostly Clear. Mostly clear, with a low around 32. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 25 mph.
Friday 2024-05-03, Chance Showers. A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 53. Northwest wind 9 to 14 mph.- Friday Night 2024-05-03, Mostly Clear. Mostly clear, with a low around 31. Northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Saturday 2024-05-04, Sunny. Sunny, with a high near 65. Light and variable wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night 2024-05-04, Mostly Clear and Breezy. Mostly clear, with a low around 45. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph.Sunday 2024-05-05, Mostly Sunny then Chance Showers and Breezy. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Breezy, with a south wind 13 to 20 mph, with gusts as high as 30 mph.
Sunday Night 2024-05-05, Showers Likely and Breezy. Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Breezy.
Monday 2024-05-06, Showers Likely and Breezy. Showers likely and possibly a thunderstorm. Partly sunny, with a high near 63. Breezy.- Monday Night 2024-05-06, Chance Showers and Breezy. A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy.
Tuesday 2024-05-07, Chance Showers and Breezy. A chance of showers and thunderstorms. Mostly sunny, with a high near 60. Breezy.
Tuesday Night 2024-05-07, Chance Showers and Breezy. A chance of showers and thunderstorms. Partly cloudy, with a low around 40. Breezy.- Wednesday 2024-05-08, Chance Showers and Breezy. A chance of showers and thunderstorms. Partly sunny, with a high near 56. Breezy.