I-90 weather conditions near Custer, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 34°F 2024-05-22T01:53:00-06:00 
Overnight 2024-05-22, Slight Chance Showers. A 20 percent chance of showers before 3am. Areas of frost after 3am. Otherwise, partly cloudy, with a low around 34. Light west wind.Wednesday 2024-05-22, Areas Frost then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Areas of frost before 7am. Otherwise, sunny, with a high near 61. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night 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 42. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday 2024-05-23, Chance Showers and Breezy. A 50 percent chance of showers, mainly after 10am. Mostly sunny, with a high near 60. Breezy, with a light west wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 34 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 32. Breezy, with a west wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Friday 2024-05-24, Slight Chance Showers. A 20 percent chance of showers. Sunny, with a high near 58. Northwest wind 8 to 17 mph, with gusts as high as 28 mph.- Friday Night 2024-05-24, Partly Cloudy. Partly cloudy, with a low around 40. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday 2024-05-25, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night 2024-05-25, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 43.
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 56.Sunday Night 2024-05-26, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Memorial Day 2024-05-27, Slight Chance Showers then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 61.
Monday Night 2024-05-27, Mostly Clear. Mostly clear, with a low around 43.
Tuesday 2024-05-28, Sunny. Sunny, with a high near 70.