Dangerous Fire Conditions in the Southern High Plains; Severe Weather in the Central Plains and Upper Midwest; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected in the central Plains into the Upper Midwest. Heavy late-season snow and record cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

49°F

9°C

Humidity 59%
Wind Speed W 8 mph
Barometer 29.89 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 May 11:35 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: Showers and possibly a thunderstorm.  High near 57. Southwest wind around 7 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 4am. Some thunder is also possible.  Low around 32. Southwest wind 6 to 10 mph becoming east northeast after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: Snow showers before 3pm, then snow showers, possibly mixed with rain. Some thunder is also possible.  High near 42. East wind 5 to 10 mph becoming light and variable. Winds could gust as high as 17 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Snow Showers
    then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 9pm.  Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely before 3pm, then snow showers likely, possibly mixed with rain. Some thunder is also possible.  Mostly cloudy, with a high near 45. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 60%.

    High: 45 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Some thunder is also possible.  Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers after noon. Some thunder is also possible.  Mostly sunny, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of rain showers between 9pm and midnight.  Partly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 57. Southwest wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Tonight
Rain and snow showers, becoming all snow after 4am. Some thunder is also possible. Low around 32. Southwest wind 6 to 10 mph becoming east northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Snow showers before 3pm, then snow showers, possibly mixed with rain. Some thunder is also possible. High near 42. East wind 5 to 10 mph becoming light and variable. Winds could gust as high as 17 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 9pm. Mostly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers likely before 3pm, then snow showers likely, possibly mixed with rain. Some thunder is also possible. Mostly cloudy, with a high near 45. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 51. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of rain showers between 9pm and midnight. Partly cloudy, with a low around 27.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 56.
Thursday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of rain showers between 9pm and midnight. Partly cloudy, with a low around 29.
Friday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.85°W (Elev. 8369 ft)
12:46 am MDT May 17, 2026
11am MDT May 17, 2026-6pm MDT May 23, 2026
 
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Additional Resources

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