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

Early Season Heat; Late Season Snow

An early season heat wave will consume a good portion of the Eastern U.S. today through the weekend, including the Northeast, Mid-Atlantic and Ohio Valley. Numerous record high temperatures are likely and heat advisories are in effect for Boston, New York City and Philadelphia. A late season snow will impact the central Rockies and several inches of snow are possible in the Denver metro area. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Snow

27°F

-3°C

Humidity 20%
Wind Speed Calm
Barometer 29.84 in
Dewpoint -9°F (-23°C)
Visibility 0.50 mi
Last update 20 May 8:55 am MDT
Extended Forecast for

Grand Lake CO

Winter Storm Warning until May 21, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until May 21, 12:00pm

    NOW until
    12:00pm Sat

    Winter Storm Warning

  • Today

    Today: Snow showers. The snow could be heavy at times. High near 37. Southwest wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    Heavy Snow

    High: 37 °F

  • Tonight

    Tonight: Snow showers. Low around 18. East northeast wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Snow Showers

    Low: 18 °F

  • Saturday

    Saturday: Snow showers. Some thunder is also possible. High near 39. East northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Snow Showers

    High: 39 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of snow showers before midnight. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 22. East wind around 6 mph becoming calm after midnight.

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

    Low: 22 °F

  • Sunday

    Sunday: A chance of snow showers between noon and 2pm, then a chance of rain showers after 2pm. Some thunder is also possible. Partly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    Partly Sunny
    then Chance
    Rain/Snow

    High: 48 °F

  • Sunday
    Night

    Sunday Night: A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

    Chance
    Rain/Snow

    Low: 24 °F

  • Monday

    Monday: A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 1pm, then a chance of rain showers after 1pm. Some thunder is also possible. Partly sunny, with a high near 50. Chance of precipitation is 50%.

    Chance
    Rain/Snow

    High: 50 °F

  • Monday
    Night

    Monday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 3am, then a slight chance of snow showers after 3am. Some thunder is also possible. Mostly cloudy, with a low around 25.

    Chance
    Rain/Snow

    Low: 25 °F

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. High near 37. Southwest wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow showers. Low around 18. East northeast wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow showers. Some thunder is also possible. High near 39. East northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 20 percent chance of snow showers before midnight. Some thunder is also possible. Mostly cloudy, then gradually becoming mostly clear, with a low around 22. East wind around 6 mph becoming calm after midnight.
Sunday
A chance of snow showers between noon and 2pm, then a chance of rain showers after 2pm. Some thunder is also possible. Partly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain showers before 7pm, then a chance of rain and snow showers between 7pm and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 1pm, then a chance of rain showers after 1pm. Some thunder is also possible. Partly sunny, with a high near 50. Chance of precipitation is 50%.
Monday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 3am, then a slight chance of snow showers after 3am. Some thunder is also possible. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 1pm, then a chance of rain showers after 1pm. Some thunder is also possible. Partly sunny, with a high near 49.
Tuesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 3am, then a slight chance of snow showers after 3am. Some thunder is also possible. Mostly cloudy, with a low around 25.
Wednesday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 66.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
3:34 am MDT May 20, 2022
Forecast Valid:
9am MDT May 20, 2022-6pm MDT May 26, 2022
 
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Additional Resources

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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