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.

Mostly Cloudy

60°F

16°C

Humidity 31%
Wind Speed Calm
Barometer 30.09 in (1011.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 18 Jun 2:56 am MDT
Extended Forecast for

Fort Collins CO

  • Overnight

    Overnight: Mostly clear, with a low around 52. Light east wind.

    Low: 52 °F

    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: Partly cloudy, with a low around 57. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny, with a high near 89. North northwest wind around 11 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 89 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East 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 94. Breezy.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Saturday Night

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

    Low: 58 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Breezy.

    High: 88 °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 53. Breezy.

    Low: 53 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Light east wind.
Thursday
Sunny, with a high near 88. Southeast wind 5 to 10 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 57. Light and variable wind becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Juneteenth
Partly sunny, then gradually becoming sunny, with a high near 89. North northwest wind around 11 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 59. East 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 94. Breezy.
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 88. Breezy.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. Breezy.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Collins CO
 40.56°N 105.1°W (Elev. 5016 ft)
Last Update:
12:46 am MDT Jun 18, 2026
Forecast Valid:
3am MDT Jun 18, 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