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 94°F 2025-06-15T14:52:00-06:00
Tonight 2025-06-15, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Monday 2025-06-16, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night 2025-06-16, T-storms then Showers. Showers and possibly a thunderstorm. Low around 57. Northeast wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday 2025-06-17, Showers Likely then T-storms. Showers likely, then showers and possibly a thunderstorm after 9am. High near 71. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night 2025-06-17, Showers Likely then Slight Chance Showers. Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming west in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 80. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 57. North wind around 5 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 89. Southwest wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Thursday Night 2025-06-19, Mostly Clear. Mostly clear, with a low around 64.
Friday 2025-06-20, Sunny. Sunny, with a high near 91.
Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 62.
Saturday 2025-06-21, Sunny. Sunny, with a high near 90.
Saturday Night 2025-06-21, Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Sunday 2025-06-22, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Current condition: Fair 94°F 2025-06-15T14:52:00-06:00 Tonight 2025-06-15, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming mostly clear, with a low around 60. Southeast wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Monday 2025-06-16, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night 2025-06-16, T-storms then Showers. Showers and possibly a thunderstorm. Low around 57. Northeast wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday 2025-06-17, Showers Likely then T-storms. Showers likely, then showers and possibly a thunderstorm after 9am. High near 71. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night 2025-06-17, Showers Likely then Slight Chance Showers. Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming west in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 80. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 57. North wind around 5 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Saturday Night 2025-06-21, Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.Sunday 2025-06-22, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.