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 41°F 2025-10-14T05:15:00-06:00 
Overnight 2025-10-14, Slight Chance Showers. A 20 percent chance of showers. Cloudy, with a low around 39. South wind around 10 mph, with gusts as high as 20 mph.Tuesday 2025-10-14, Slight Chance Showers then Sunny. A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 62. South wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night 2025-10-14, Mostly Clear then Chance Showers. A 30 percent chance of showers after midnight. Mostly clear, with a low around 42. Northeast wind 3 to 7 mph.
Wednesday 2025-10-15, Chance Showers and Patchy Fog. A 50 percent chance of showers. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 58. East wind 3 to 6 mph.
Wednesday Night 2025-10-15, Showers. Showers and possibly a thunderstorm. Low around 43. Northeast wind around 6 mph becoming west after midnight. Chance of precipitation is 90%.
Thursday 2025-10-16, Showers. Showers. High near 49. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday Night 2025-10-16, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a low around 36. West wind around 10 mph, with gusts as high as 20 mph.Friday 2025-10-17, Slight Chance Showers then Partly Sunny. A slight chance of showers before noon. Partly sunny, with a high near 51. Southwest wind 10 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Friday Night 2025-10-17, Partly Cloudy then Slight Chance Rain/Snow. A slight chance of rain showers after midnight, mixing with snow after 3am. Partly cloudy, with a low around 33.
Saturday 2025-10-18, Slight Chance Rain/Snow then Mostly Sunny. A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and noon. Mostly sunny, with a high near 47.
Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 33.
Sunday 2025-10-19, Sunny. Sunny, with a high near 62.- Sunday Night 2025-10-19, Partly Cloudy. Partly cloudy, with a low around 42.
Monday 2025-10-20, Chance Showers. A chance of showers. Mostly sunny, with a high near 58.