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

Thunderstorms, Heavy Rain and Fire Weather

On Tuesday, isolated strong to severe thunderstorms with damaging winds and hail are possible in parts of the Northeast and Mid-Atlantic and in the southern Plains. Locally heavy rainfall is expected in parts of the Four Corners region and in Texas. Finally, elevated and critical fire weather conditions are likely in the northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

47°F

8°C

Humidity 56%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 28 Sep 8:35 am MDT
Extended Forecast for

3 Miles NNW Berthoud Pass CO

  • Today

    Today: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a temperature falling to around 35 by 5pm. South southeast wind 8 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    Slight Chance
    Showers then
    Showers
    Likely

    High: 40 °F⇓

  • Tonight

    Tonight: Rain showers likely before 9pm, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 33. West northwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Rain/Snow
    Likely

    Low: 33 °F

  • Wednesday

    Wednesday: Rain and snow showers likely before noon, then rain showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. High near 41. Breezy, with a west northwest wind 10 to 15 mph becoming east northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Rain/Snow
    Likely then
    Rain/Snow and
    Breezy

    High: 41 °F

  • Wednesday
    Night

    Wednesday Night: Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 28. Blustery, with an east wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Rain/Snow and
    Blustery then
    Chance Snow
    Showers

    Low: 28 °F

  • Thursday

    Thursday: Snow showers likely before 2pm, then rain and snow showers likely between 2pm and 5pm, then snow showers likely after 5pm. Some thunder is also possible. Mostly cloudy, with a high near 32. East northeast wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Chance Snow
    Showers then
    Rain/Snow
    Likely

    High: 32 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 30.

    Chance Snow
    Showers

    Low: 30 °F

  • Friday

    Friday: A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 36. Chance of precipitation is 50%.

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

    High: 36 °F

  • Friday
    Night

    Friday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 31.

    Chance
    Rain/Snow
    then Chance
    Snow Showers

    Low: 31 °F

  • Saturday

    Saturday: A chance of snow showers before 2pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 36.

    Chance Snow
    Showers then
    Chance
    Rain/Snow

    High: 36 °F

Detailed Forecast

Today
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a temperature falling to around 35 by 5pm. South southeast wind 8 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Tonight
Rain showers likely before 9pm, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 33. West northwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Rain and snow showers likely before noon, then rain showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. High near 41. Breezy, with a west northwest wind 10 to 15 mph becoming east northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 28. Blustery, with an east wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers likely before 2pm, then rain and snow showers likely between 2pm and 5pm, then snow showers likely after 5pm. Some thunder is also possible. Mostly cloudy, with a high near 32. East northeast wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 30.
Friday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 36. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 31.
Saturday
A chance of snow showers before 2pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 36.
Saturday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and midnight. Partly cloudy, with a low around 30.
Sunday
A slight chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 39.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 28.
Monday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 38. Breezy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
3 Miles NNW Berthoud Pass CO
 39.84°N 105.78°W (Elev. 11253 ft)
Last Update:
5:22 am MDT Sep 28, 2021
Forecast Valid:
8am MDT Sep 28, 2021-6pm MDT Oct 4, 2021
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation