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: Partly Cloudy 59°F 2024-06-18T14:53:00-06:00 
Tonight 2024-06-18, Mostly Clear. Mostly clear, with a low around 38. Northwest wind 5 to 8 mph becoming calm after midnight.Juneteenth 2024-06-19, Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 65. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night 2024-06-19, Partly Cloudy then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Southeast wind 5 to 9 mph becoming calm after midnight.
Thursday 2024-06-20, Showers Likely. A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.Thursday Night 2024-06-20, Showers Likely then Chance T-storms. Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a steady temperature around 61. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Friday 2024-06-21, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Friday Night 2024-06-21, T-storms Likely then Slight Chance T-storms. Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming light and variable. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday 2024-06-22, Chance T-storms. A chance of showers and thunderstorms, mainly after noon. Sunny, with a high near 76. Northwest wind 5 to 7 mph becoming north in the afternoon. Winds could gust as high as 23 mph.- Saturday Night 2024-06-22, Mostly Clear. Mostly clear, with a low around 56.
Sunday 2024-06-23, Sunny. Sunny, with a high near 84.- Sunday Night 2024-06-23, Mostly Clear. Mostly clear, with a low around 66.
- Monday 2024-06-24, Sunny. Sunny, with a high near 90.
- Monday Night 2024-06-24, Mostly Clear. Mostly clear, with a low around 61.
- Tuesday 2024-06-25, Sunny. Sunny, with a high near 81.