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: Partly Cloudy 46°F 2025-10-12T14:55:00-06:00 
Tonight 2025-10-12, Frost. Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 28. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.- Columbus Day 2025-10-13, Frost then Partly Sunny. Widespread frost before 8am. Otherwise, increasing clouds, with a high near 56. Southeast wind 6 to 15 mph becoming northeast in the morning. Winds could gust as high as 21 mph.
Monday Night 2025-10-13, Mostly Cloudy then Chance Showers. A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Tuesday 2025-10-14, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 60. South wind 8 to 11 mph, with gusts as high as 21 mph.Tuesday Night 2025-10-14, Mostly Clear then Slight Chance Showers. A 20 percent chance of showers after midnight. Partly cloudy, with a low around 44. Southeast wind around 7 mph, with gusts as high as 15 mph.
Wednesday 2025-10-15, Chance Showers. A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 65. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night 2025-10-15, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. South wind around 7 mph becoming west after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Thursday 2025-10-16, Chance Showers. A chance of showers. Mostly cloudy, with a high near 51. West wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday Night 2025-10-16, Chance Showers. A chance of showers, mainly before midnight. Mostly cloudy, with a low around 35.
Friday 2025-10-17, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 53.Friday Night 2025-10-17, Chance Showers then Slight Chance Rain/Snow. A chance of rain and snow showers. Mostly cloudy, with a low around 32.
Saturday 2025-10-18, Slight Chance Rain/Snow then Slight Chance Showers. A slight chance of rain and snow showers. Mostly sunny, with a high near 48.
- Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 33.
Sunday 2025-10-19, Sunny. Sunny, with a high near 57.