I-25 weather conditions near Johnstown, Colorado
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog 49°F 2025-10-15T08:56:00-06:00 Today 2025-10-15, Fog then Slight Chance Showers. A 20 percent chance of showers after 3pm. Widespread fog before 10am. Otherwise, mostly sunny, with a high near 77. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Tonight 2025-10-15, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47. South southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday 2025-10-16, Chance Showers. A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 68. West wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday Night 2025-10-16, Mostly Clear. Mostly clear, with a low around 36. West northwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Friday 2025-10-17, Sunny. Sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.- Friday Night 2025-10-17, Mostly Clear. Mostly clear, with a low around 38.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 65.- Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 34.
- Sunday 2025-10-19, Sunny. Sunny, with a high near 73.
- Sunday Night 2025-10-19, Mostly Clear. Mostly clear, with a low around 40.
Monday 2025-10-20, Mostly Sunny then Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 69.
Monday Night 2025-10-20, Slight Chance Showers then Chance Rain/Snow. A chance of rain and snow showers. Partly cloudy, with a low around 35.
Tuesday 2025-10-21, Slight Chance Rain/Snow then Sunny. A slight chance of rain and snow showers. Sunny, with a high near 61.