National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Collins/Loveland - Northern Colorado Regional Airport (KFNL)

Lat: 40.45°NLon: 105.02°WElev: 5016ft.

Fair

59°F

15°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.28 in (1018.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 2:56 am MDT
Extended Forecast for

Johnstown CO

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a steady temperature around 60. Light and variable wind.

    Low: 60 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East wind 5 to 7 mph becoming west northwest after midnight.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 92. Light and variable wind becoming northeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Northeast wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a steady temperature around 60. Light and variable wind.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 59. East wind 5 to 7 mph becoming west northwest after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 92. Light and variable wind becoming northeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Northeast wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown CO
 40.33°N 104.9°W (Elev. 4783 ft)
Last Update:
12:46 am MDT Aug 17, 2026
Forecast Valid:
3am MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation