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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

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

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

Mostly Cloudy

66°F

19°C

Humidity 73%
Wind Speed Calm
Barometer 30.23 in (1017.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Sep 11:56 pm MDT
Extended Forecast for

3 Miles NNW Horsetooth Mountain CO

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 63. West wind around 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 70%.

    High: 75 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West northwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 71. Light and variable wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 71 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 69.

    High: 69 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers, mainly before midnight. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 63. West wind around 6 mph.
Friday
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West northwest wind around 6 mph. Chance of precipitation is 40%.
Saturday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 71. Light and variable wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 48.
Monday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 69.
Monday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Horsetooth Mountain CO
 40.58°N 105.22°W (Elev. 6798 ft)
Last Update:
12:46 pm MDT Sep 17, 2026
Forecast Valid:
12am MDT Sep 18, 2026-6pm MDT Sep 24, 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