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/Mist 57°F 2025-08-26T04:56:00-06:00
Today 2025-08-26, Slight Chance Showers and Patchy Fog then Chance T-storms. A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%.
Tonight 2025-08-26, Showers Likely then Slight Chance Showers. Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then a slight chance of showers after midnight. Mostly cloudy, with a low around 58. South southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%.
Wednesday 2025-08-27, Chance Showers then T-storms Likely. A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 80. Light and variable wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Wednesday Night 2025-08-27, Showers Likely then Chance Showers. Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 57. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday 2025-08-28, Chance Showers then T-storms Likely. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 77. Calm wind becoming east around 6 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Thursday Night 2025-08-28, Showers Likely then Chance Showers. Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday 2025-08-29, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Friday Night 2025-08-29, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Saturday 2025-08-30, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Saturday Night 2025-08-30, Chance Showers then Partly Cloudy. A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Sunday 2025-08-31, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sunday Night 2025-08-31, Partly Cloudy. Partly cloudy, with a low around 54.
Labor Day 2025-09-01, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.