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

Hazardous Weather Conditions

Current conditions at

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

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

Fair

77°F

25°C

Humidity 39%
Wind Speed E 8 mph
Barometer 30.26 in (1016.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Aug 10:56 pm MDT
Extended Forecast for

Johnstown CO

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West wind around 5 mph becoming north northeast after midnight.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 92. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 62. East southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday 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 62. South southwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. West wind around 5 mph becoming north northeast after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 92. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 62. East southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Sunday 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 62. South southwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown CO
 40.33°N 104.9°W (Elev. 4783 ft)
Last Update:
1:46 pm MDT Aug 21, 2026
Forecast Valid:
11pm MDT Aug 21, 2026-6pm MDT Aug 28, 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