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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. 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

72°F

22°C

Humidity 43%
Wind Speed Calm
Barometer 30.11 in (1011.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Aug 10:56 pm MDT
Extended Forecast for

2 Miles SW Masonville CO

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind around 8 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southeast wind 6 to 8 mph becoming west northwest after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 17 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East southeast wind 6 to 10 mph becoming west northwest after midnight. Winds could gust as high as 17 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West wind around 8 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. Southeast wind 6 to 8 mph becoming west northwest after midnight.
Tuesday
Sunny, with a high near 88. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 60. East southeast wind 6 to 10 mph becoming west northwest after midnight. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 92.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Friday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 78.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Masonville CO
 40.46°N 105.23°W (Elev. 5948 ft)
Last Update:
3:15 pm MDT Aug 17, 2025
Forecast Valid:
11pm MDT Aug 17, 2025-6pm MDT Aug 24, 2025
 
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