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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

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

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

Thunderstorm Light Rain

61°F

16°C

Humidity 78%
Wind Speed N 15 mph
Barometer 30.11 in (1015.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 4:56 pm MDT
Extended Forecast for

Fort Collins CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 71. East wind around 7 mph.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 3am. Partly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. East northeast wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 71. East wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 3am. Partly cloudy, with a low around 51. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 48. East northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A chance of showers. Partly cloudy, with a low around 55.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Collins CO
 40.54°N 105.07°W (Elev. 4993 ft)
Last Update:
12:46 pm MDT Sep 19, 2026
Forecast Valid:
5pm MDT Sep 19, 2026-6pm MDT Sep 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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