I-90 weather conditions near Gillette, Wyoming
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 49°F 2025-12-10T22:53:00-07:00 - Tonight 2025-12-10, Mostly Cloudy. Mostly cloudy, with a low around 40. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday 2025-12-11, Chance Rain and Breezy. A 40 percent chance of rain after 11am. Increasing clouds, with a high near 54. Breezy, with a southwest wind 14 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph.Thursday Night 2025-12-11, Rain/Snow Likely then Chance Snow. Rain likely before 8pm, then rain likely, possibly mixed with snow between 8pm and 10pm, then snow likely after 10pm. Cloudy, with a low around 16. Northwest wind 11 to 16 mph becoming light north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday 2025-12-12, Chance Snow. A 40 percent chance of snow. Cloudy, with a high near 28. Wind chill values as low as 16. North wind 3 to 6 mph. New snow accumulation of less than one inch possible.
Friday Night 2025-12-12, Slight Chance Snow. A 20 percent chance of snow. Mostly cloudy, with a low around 14. East wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 15 mph.
Saturday 2025-12-13, Decreasing Clouds. Cloudy, then gradually becoming mostly sunny, with a high near 31. North wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Saturday Night 2025-12-13, Partly Cloudy. Partly cloudy, with a low around 20. South wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday 2025-12-14, Mostly Sunny. Mostly sunny, with a high near 53. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.- Sunday Night 2025-12-14, Partly Cloudy. Partly cloudy, with a low around 27.
- Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 55.
- Monday Night 2025-12-15, Partly Cloudy. Partly cloudy, with a low around 32.
- Tuesday 2025-12-16, Mostly Sunny. Mostly sunny, with a high near 54.
- Tuesday Night 2025-12-16, Partly Cloudy. Partly cloudy, with a low around 29.
- Wednesday 2025-12-17, Mostly Sunny. Mostly sunny, with a high near 51.