I-90 weather conditions near Sundance, Wyoming
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 41°F 2025-10-15T06:55:00-06:00 
Today 2025-10-15, Chance Showers and Dense Fog. Patchy drizzle with a chance of showers before noon, then a slight chance of showers after 3pm. Widespread dense fog, mainly before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 58. East wind 5 to 7 mph. Chance of precipitation is 30%.
Tonight 2025-10-15, Showers and Patchy Fog. Showers likely and possibly a thunderstorm, then showers after midnight. Patchy fog after 9pm. Low around 44. Northeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 90%.
Thursday 2025-10-16, Showers and Patchy Fog. Showers and possibly a thunderstorm before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 9am. High near 49. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.Thursday Night 2025-10-16, Chance Showers then Mostly Cloudy. A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 35. West wind 10 to 13 mph, with gusts as high as 23 mph.
Friday 2025-10-17, Mostly Sunny then Mostly Sunny and Breezy. Mostly sunny, with a high near 52. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Friday Night 2025-10-17, Slight Chance Showers then Chance Rain/Snow. A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday 2025-10-18, Slight Chance Rain/Snow then Mostly Sunny. A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and noon. Mostly sunny, with a high near 45. Northwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 32. West wind 8 to 10 mph becoming south in the evening. Winds could gust as high as 17 mph.
Sunday 2025-10-19, Sunny. Sunny, with a high near 62.
Sunday Night 2025-10-19, Slight Chance Showers. A slight chance of showers. Partly cloudy, with a low around 38.
Monday 2025-10-20, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 53.
Monday Night 2025-10-20, Chance Rain/Snow. A chance of rain and snow showers. Partly cloudy, with a low around 30.Tuesday 2025-10-21, Slight Chance Snow Showers then Mostly Sunny. A slight chance of snow showers. Mostly sunny, with a high near 46.