I-90 weather conditions near Vivian, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog/Mist 49°F 2025-10-15T00:53:00-05:00 
Overnight 2025-10-15, Chance Drizzle and Dense Fog. A chance of drizzle, mainly after 5am. Widespread dense fog. Otherwise, cloudy, with a low around 48. East wind 6 to 9 mph.
Wednesday 2025-10-15, Chance Showers and Dense Fog. A chance of showers or drizzle before 7am, then a chance of showers between 7am and 2pm. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 64. East wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.Wednesday Night 2025-10-15, Slight Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind 15 to 18 mph. Chance of precipitation is 40%.
Thursday 2025-10-16, Chance Showers and Breezy. A chance of showers. Partly sunny, with a high near 70. Breezy, with a south southeast wind 16 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Thursday Night 2025-10-16, Chance Showers. A chance of showers before 1am. Mostly cloudy, with a low around 44. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday 2025-10-17, Sunny. Sunny, with a high near 66. West wind 13 to 18 mph, with gusts as high as 29 mph.
Friday Night 2025-10-17, Partly Cloudy. Partly cloudy, with a low around 42. West wind 11 to 14 mph.
Saturday 2025-10-18, Mostly Sunny and Breezy. Mostly sunny, with a high near 58. Breezy, with a west northwest wind 15 to 22 mph, with gusts as high as 33 mph.
Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 35. West northwest wind 10 to 15 mph, with gusts as high as 23 mph.- Sunday 2025-10-19, Sunny. Sunny, with a high near 67.
- Sunday Night 2025-10-19, Mostly Clear. Mostly clear, with a low around 44.
Monday 2025-10-20, Mostly Sunny then Mostly Sunny and Breezy. Mostly sunny, with a high near 66. Breezy.
- Monday Night 2025-10-20, Partly Cloudy. Partly cloudy, with a low around 39.
Tuesday 2025-10-21, Chance Showers and Breezy. A chance of showers. Mostly sunny, with a high near 58. Breezy. Chance of precipitation is 30%.