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

Granby-Grand County Airport (KGNB)

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

Overcast

35°F

2°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 30.12 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 18 May 8:55 pm MDT
Extended Forecast for

3 Miles SSW Rollins Pass CO

  • Tonight

    Tonight: Snow showers likely, mainly before midnight. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 17. West wind around 8 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.

    Low: 17 °F

    Snow Showers
    Likely and
    Patchy Fog
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 27. West southwest wind 7 to 9 mph becoming east in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 9pm. Steady temperature around 24. Southeast wind 7 to 9 mph becoming south southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 34. West wind 7 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 19. West northwest wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 19 °F

    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. 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 22. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Showers
    Likely

  • Friday

    Friday: A chance of snow showers, mainly after noon. 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. Partly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

Detailed Forecast

Tonight
Snow showers likely, mainly before midnight. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 17. West wind around 8 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
Tuesday
Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 27. West southwest wind 7 to 9 mph becoming east in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow showers, mainly before 9pm. Steady temperature around 24. Southeast wind 7 to 9 mph becoming south southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 34. West wind 7 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A 30 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 19. West northwest wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Thursday
Snow showers likely after noon. Some thunder is also possible. Partly sunny, with a high near 38. Chance of precipitation is 60%.
Thursday Night
Snow showers likely, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
A chance of snow showers, mainly after noon. 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. Partly cloudy, with a low around 23.
Saturday
A chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 27.
Sunday
A slight chance of rain and snow showers. Some thunder is also possible. Sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 32.
Memorial Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Rollins Pass CO
 39.91°N 105.7°W (Elev. 11585 ft)
Last Update:
12:46 pm MDT May 18, 2026
Forecast Valid:
9pm MDT May 18, 2026-6pm MDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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