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.

Overcast

33°F

1°C

Humidity 90%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 19 May 7:55 am MDT
Extended Forecast for

5 Miles WNW LONG'S PEAK CO

  • Today

    Today: A 50 percent chance of snow showers after noon. Some thunder is also possible.  Mostly cloudy, with a high near 29. Southwest wind 5 to 7 mph becoming east in the afternoon.  Total daytime snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tonight

    Tonight: Snow showers likely, mainly before 9pm.  Mostly cloudy, with a low around 19. East wind 5 to 7 mph becoming south southwest after midnight.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers, mainly after 9am. Some thunder is also possible.  Partly sunny, with a high near 35. South southwest wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 17 mph.  New snow accumulation of less than one inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before midnight. Some thunder is also possible.  Partly cloudy, with a low around 18. Southwest wind 5 to 7 mph.

    Low: 18 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Thursday

    Thursday: Snow showers likely after noon. Some thunder is also possible.  Partly sunny, with a high near 38. West wind 5 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 38 °F

    Mostly Sunny
    then Snow
    Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Some thunder is also possible.  Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Showers
    Likely

  • Friday

    Friday: A 40 percent chance of snow showers. Some thunder is also possible.  Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A slight chance of snow showers before midnight. Some thunder is also possible.  Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: A chance of snow showers after noon, mixing with rain after 3pm. Some thunder is also possible.  Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Today
A 50 percent chance of snow showers after noon. Some thunder is also possible. Mostly cloudy, with a high near 29. Southwest wind 5 to 7 mph becoming east in the afternoon. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers likely, mainly before 9pm. Mostly cloudy, with a low around 19. East wind 5 to 7 mph becoming south southwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
A 50 percent chance of snow showers, mainly after 9am. Some thunder is also possible. Partly sunny, with a high near 35. South southwest wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 17 mph. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 18. Southwest wind 5 to 7 mph.
Thursday
Snow showers likely after noon. Some thunder is also possible. Partly sunny, with a high near 38. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Snow showers likely, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 39.
Friday Night
A slight chance of snow showers before midnight. Some thunder is also possible. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers after noon, mixing with rain after 3pm. Some thunder is also possible. Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 30.
Memorial Day
A slight chance of showers and thunderstorms. Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW LONG'S PEAK CO
 40.28°N 105.71°W (Elev. 11201 ft)
12:46 am MDT May 19, 2026
8am MDT May 19, 2026-6pm MDT May 25, 2026
 
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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