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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

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 29%
Wind Speed NE 17 G 24 mph
Barometer 29.87 in (1003.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Jun 8:56 pm MDT
Extended Forecast for

Fort Collins CO

  • Tonight

    Tonight: Mostly clear, with a low around 54. Breezy, with a north northeast wind 11 to 16 mph becoming light east northeast after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 58. Breezy, with a light and variable wind becoming north northwest 10 to 15 mph in the evening. Winds could gust as high as 26 mph.

    Low: 58 °F

    Mostly Clear
    then
    Increasing
    Clouds and
    Breezy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 89. Breezy, with a north northwest wind 10 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 28 mph.

    High: 89 °F

    Decreasing
    Clouds and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Breezy.

    Low: 58 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Breezy.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Breezy, with a north northeast wind 11 to 16 mph becoming light east northeast after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 16 mph.
Thursday Night
Increasing clouds, with a low around 58. Breezy, with a light and variable wind becoming north northwest 10 to 15 mph in the evening. Winds could gust as high as 26 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 89. Breezy, with a north northwest wind 10 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly clear, with a low around 59. East southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 58. Breezy.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Breezy.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. Breezy.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 57.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Collins CO
 40.56°N 105.07°W (Elev. 4984 ft)
Last Update:
12:46 pm MDT Jun 17, 2026
Forecast Valid:
9pm MDT Jun 17, 2026-6pm MDT Jun 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