Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

48°F

9°C

Humidity 49%
Wind Speed W 10 G 23 mph
Barometer 30.20 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 May 1:35 pm MDT
Extended Forecast for

3 Miles N Grand Lake CO

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers, mainly after 3pm. Some thunder is also possible.  Mostly cloudy, with a high near 40. West wind around 6 mph becoming light and variable.  Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before 9pm.  Mostly cloudy, with a low around 25. Light and variable wind.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers after 9am, mixing with rain after noon. Some thunder is also possible.  Partly sunny, with a high near 46. Calm wind becoming west southwest around 6 mph in the morning.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of snow showers after noon, mixing with rain after 3pm. Some thunder is also possible.  Partly sunny, with a high near 49. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow showers, becoming all snow after 9pm. Some thunder is also possible.  Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: A chance of snow showers before noon, then a chance of rain and snow showers. Some thunder is also possible.  Partly sunny, with a high near 47. Chance of precipitation is 40%.

    High: 47 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow showers before 9pm, then a chance of rain showers between 9pm and midnight.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: A slight chance of snow showers before noon, then a chance of rain showers. Some thunder is also possible.  Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Snow Showers
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers, mainly after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 40. West wind around 6 mph becoming light and variable. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 50 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 25. Light and variable wind. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow showers after 9am, mixing with rain after noon. Some thunder is also possible. Partly sunny, with a high near 46. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 24. Northwest wind around 6 mph becoming calm in the evening.
Thursday
A chance of snow showers after noon, mixing with rain after 3pm. Some thunder is also possible. Partly sunny, with a high near 49. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers, becoming all snow after 9pm. Some thunder is also possible. Low around 25. Chance of precipitation is 80%.
Friday
A chance of snow showers before noon, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers before 9pm, then a chance of rain showers between 9pm and midnight. Mostly cloudy, with a low around 26.
Saturday
A slight chance of snow showers before noon, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 29.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 31.
Memorial Day
A slight chance of showers and thunderstorms. Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Grand Lake CO
 40.3°N 105.83°W (Elev. 9613 ft)
12:46 pm MDT May 19, 2026
1pm MDT May 19, 2026-6pm MDT May 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database