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

Storms in the Plains; Heat Wave to Begin in the Northern Tier

A slow moving weather system will bring potential for scattered strong to severe storms with damaging wind and hail with areas of locally heavy rain in the South and Central Plains through Monday. A heat wave is expected to begin across the Northern Plains, Upper Midwest, and northern Great Basin with temperatures reaching over 20 degrees above normal in some areas. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

34°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 May 3:55 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 62. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

    Mostly Sunny
    then T-storms
    Likely

    High: 62 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 34. East wind 3 to 7 mph. Chance of precipitation is 60%.

    T-storms
    Likely then
    Slight Chance
    T-storms

    Low: 34 °F

  • Monday

    Monday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 56. East wind 3 to 8 mph. Chance of precipitation is 80%.

    Chance
    Showers then
    Showers

    High: 56 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 33. East wind around 6 mph becoming calm in the evening.

    Chance
    T-storms then
    Slight Chance
    T-storms

    Low: 33 °F

  • Tuesday

    Tuesday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 57. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%.

    Chance
    Showers then
    Showers

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 33.

    Chance
    Showers then
    Mostly Cloudy

    Low: 33 °F

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Chance of precipitation is 60%.

    Slight Chance
    Showers then
    Showers
    Likely

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 34.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 34 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.

    Mostly Sunny
    then Chance
    T-storms

    High: 64 °F

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 62. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 34. East wind 3 to 7 mph. Chance of precipitation is 60%.
Monday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 56. East wind 3 to 8 mph. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 33. East wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 57. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 33.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 34.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 34.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 33.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
3:55 am MDT May 16, 2021
Forecast Valid:
4am MDT May 16, 2021-6pm MDT May 22, 2021
 
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