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: Light Drizzle 43°F 2024-05-09T00:35:00-06:00 
Overnight 2024-05-09, Showers Likely. A chance of showers and thunderstorms, then showers likely after 3am. Cloudy, with a low around 41. Northeast wind 5 to 9 mph becoming west. Chance of precipitation is 60%.
Thursday 2024-05-09, Showers Likely. Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 54. West wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.Thursday Night 2024-05-09, Chance Showers then Mostly Cloudy. A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44. West wind 8 to 11 mph, with gusts as high as 17 mph.
Friday 2024-05-10, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 63. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.
Friday Night 2024-05-10, Mostly Clear. Mostly clear, with a low around 42. Northwest wind 5 to 13 mph becoming southwest after midnight.
Saturday 2024-05-11, Sunny. Sunny, with a high near 70. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.- Saturday Night 2024-05-11, Mostly Clear. Mostly clear, with a low around 48. Northwest wind 7 to 9 mph becoming southwest in the evening.
Sunday 2024-05-12, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Sunny, with a high near 72. Southwest wind 8 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
- Sunday Night 2024-05-12, Mostly Clear. Mostly clear, with a low around 50.
Monday Night 2024-05-13, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Tuesday 2024-05-14, Showers Likely. Showers and thunderstorms likely. Mostly sunny, with a high near 69.- Wednesday 2024-05-15, Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 58.