I-90 weather conditions near Bethlehem, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 37°F 2025-10-13T08:55:00-06:00 Columbus Day 2025-10-13, Sunny then Mostly Sunny and Breezy. Increasing clouds, with a high near 54. Breezy, with a southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.
Tonight 2025-10-13, Mostly Cloudy then Slight Chance Showers. A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. Southeast wind around 18 mph, with gusts as high as 38 mph.
Tuesday 2025-10-14, Slight Chance Showers then Mostly Sunny. A 20 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 59. Southeast wind 14 to 18 mph, with gusts as high as 33 mph.
Tuesday Night 2025-10-14, Mostly Cloudy then Chance Showers. A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 44. Southeast wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday 2025-10-15, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a high near 60. Southeast wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday Night 2025-10-15, Showers. Showers and possibly a thunderstorm. Low around 46. Southeast wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Thursday 2025-10-16, Chance Showers. A 50 percent chance of showers. Partly sunny, with a high near 58. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Thursday Night 2025-10-16, Chance Showers. A chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. West wind around 10 mph, with gusts as high as 21 mph.
Friday 2025-10-17, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 60.Friday Night 2025-10-17, Partly Cloudy then Slight Chance Showers. A slight chance of showers after midnight. Partly cloudy, with a low around 40.
- Saturday 2025-10-18, Slight Chance Showers and Breezy. A slight chance of showers. Mostly sunny, with a high near 54. Breezy.
Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 37.
Sunday 2025-10-19, Sunny. Sunny, with a high near 66.