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

Scattered Severe Storms Possible in Central U.S.; Flood Watch in the Sierra Nevada

Scattered severe thunderstorms capable of gusty winds, hail, and flash flooding will be possible across the Plains through Tuesday. Elsewhere, a flash flood watch is in effect for the Sierra Nevada, where thunderstorms with frequent lightning may also occur. Heavy rain in parts of southern Texas may produce localized flooding, while areas of rain will also linger in the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

68°F

20°C

Humidity 25%
Wind Speed N 7 mph
Barometer 30.13 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 29 May 4:55 pm MDT
Extended Forecast for

Grand Lake CO

  • Memorial
    Day

    Memorial Day: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 67. West wind around 10 mph, with gusts as high as 16 mph.

    Slight Chance
    T-storms

    High: 67 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Partly Cloudy

    Low: 37 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 69. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    Sunny then
    Chance
    T-storms

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 36. Southwest wind 5 to 7 mph becoming calm in the evening.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 36 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 67. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    Mostly Sunny
    then Showers
    Likely

    High: 67 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 36.

    Slight 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 62. Chance of precipitation is 80%.

    Chance
    Showers then
    T-storms

    High: 62 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 35.

    Chance
    Showers then
    Mostly Cloudy

    Low: 35 °F

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.

    Showers
    Likely

    High: 60 °F

Detailed Forecast

Memorial Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 67. West wind around 10 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 37. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 69. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 36. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 67. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 36.
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 62. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 35.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 35.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 59.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 36.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 37.
Monday
Showers likely 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:
2:16 pm MDT May 29, 2023
Forecast Valid:
5pm MDT May 29, 2023-6pm MDT Jun 5, 2023
 
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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