I-90 weather conditions near Keystone, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 35°F 2024-05-22T03:53:00-06:00
Today 2024-05-22, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 66. West wind 6 to 9 mph, with gusts as high as 21 mph.
Tonight 2024-05-22, Slight Chance T-storms then Mostly Clear. A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 49. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday 2024-05-23, Chance Showers. A 50 percent chance of showers, mainly after 10am. Mostly sunny, with a high near 66. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night 2024-05-23, Showers Likely and Breezy then Chance Showers. Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Partly cloudy, with a low around 37. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Friday 2024-05-24, Slight Chance Showers then Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after 3pm. Sunny, with a high near 62. Northwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night 2024-05-24, Mostly Clear. Mostly clear, with a low around 44. Southwest wind 3 to 6 mph. Winds could gust as high as 18 mph.
Saturday 2024-05-25, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night 2024-05-25, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 46. West wind 3 to 6 mph. Winds could gust as high as 15 mph.
Sunday 2024-05-26, Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59.
Sunday Night 2024-05-26, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Memorial Day 2024-05-27, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
Monday Night 2024-05-27, Mostly Clear. Mostly clear, with a low around 45.
Tuesday 2024-05-28, Sunny. Sunny, with a high near 74.
Current condition: Mostly Cloudy 35°F 2024-05-22T03:53:00-06:00 Today 2024-05-22, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 66. West wind 6 to 9 mph, with gusts as high as 21 mph.
Tonight 2024-05-22, Slight Chance T-storms then Mostly Clear. A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 49. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday 2024-05-23, Chance Showers. A 50 percent chance of showers, mainly after 10am. Mostly sunny, with a high near 66. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.Thursday Night 2024-05-23, Showers Likely and Breezy then Chance Showers. Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Partly cloudy, with a low around 37. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Friday 2024-05-24, Slight Chance Showers then Slight Chance T-storms. A slight chance of showers, with thunderstorms also possible after 3pm. Sunny, with a high near 62. Northwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night 2024-05-24, Mostly Clear. Mostly clear, with a low around 44. Southwest wind 3 to 6 mph. Winds could gust as high as 18 mph.Saturday 2024-05-25, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night 2024-05-25, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 46. West wind 3 to 6 mph. Winds could gust as high as 15 mph.
Sunday 2024-05-26, Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59.Sunday Night 2024-05-26, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Memorial Day 2024-05-27, Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
Tuesday 2024-05-28, Sunny. Sunny, with a high near 74.