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

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Light Snow

38°F

3°C

Humidity 85%
Wind Speed E 6 mph
Barometer 29.95 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 May 4:15 pm MDT
Extended Forecast for

7 Miles WNW Berthoud Falls CO

Winter Weather Advisory May 18, 04:36pm until May 18, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory May 18, 04:36pm until May 18, 09:00pm

    NOW until 9:00pm Mon

    Winter Weather Advisory

  • This Afternoon

    High: 30 °F

    Snow Showers

  • Tonight

    Tonight: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Snow showers likely, mainly after 3pm. Some thunder is also possible. Increasing clouds, with a high near 36. West wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 36 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before midnight. Low around 25. West wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 38. South wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    High: 38 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Thursday

    Thursday: A 50 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Snow showers. Some thunder is also possible. Steady temperature around 30. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers likely, mainly after 3pm. Some thunder is also possible. Increasing clouds, with a high near 36. West wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday Night
Snow showers, mainly before midnight. Low around 25. West wind 5 to 8 mph becoming south in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 38. South wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 21.
Thursday
A 50 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 43.
Thursday Night
A chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 24.
Friday
A chance of snow showers, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 53. Breezy.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 31.
Memorial Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Berthoud Falls CO
 39.8°N 105.95°W (Elev. 11181 ft)
Last Update:
12:46 pm MDT May 18, 2026
Forecast Valid:
4pm MDT May 18, 2026-6pm MDT May 25, 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