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

Heavy Rainfall and Severe Thunderstorm Threats; Record High Temperatures into the Weekend

Scattered showers and thunderstorms with the potential for isolated flash flooding and severe weather continue from the Intermountain West through the Plains into the weekend. This threat also extends into Florida as we are monitoring a disturbance in the Gulf of Mexico. Also, new record high temperatures are forecast for the Upper Midwest, Great Lakes and Northeast into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

44°F

7°C

Humidity 80%
Wind Speed NE 5 mph
Barometer 30.07 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 31 May 8:55 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 36. South wind 5 to 7 mph becoming calm after midnight.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 36 °F

  • Thursday

    Thursday: 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 61. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 90%.

    Chance
    Showers then
    T-storms

    High: 61 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 37. Southwest wind 5 to 8 mph becoming calm after midnight.

    Chance
    T-storms then
    Chance
    Showers

    Low: 37 °F

  • Friday

    Friday: 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 59. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.

    Chance
    Showers then
    T-storms

    High: 59 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 34. South southwest wind around 6 mph becoming calm in the evening.

    Chance
    T-storms then
    Slight Chance
    T-storms

    Low: 34 °F

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 9am. High near 59. Chance of precipitation is 90%.

    Showers
    Likely then
    Showers

    High: 59 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 34.

    Chance
    Showers then
    Mostly Cloudy

    Low: 34 °F

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.

    Showers

    High: 61 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 36.

    Chance
    Showers then
    Mostly Cloudy

    Low: 36 °F

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 36. South wind 5 to 7 mph becoming calm after midnight.
Thursday
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 61. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 37. Southwest wind 5 to 8 mph becoming calm after midnight.
Friday
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 59. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 34. South southwest wind around 6 mph becoming calm in the evening.
Saturday
Showers likely, then showers and possibly a thunderstorm after 9am. High near 59. Chance of precipitation is 90%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 34.
Sunday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 36.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 67.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Wednesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 65.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
2:46 pm MDT May 31, 2023
Forecast Valid:
9pm MDT May 31, 2023-6pm MDT Jun 7, 2023
 
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