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

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

41°F

5°C

Humidity 74%
Wind Speed W 5 mph
Barometer 30.04 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 May 6:35 pm MDT
Extended Forecast for

3 Miles WSW Mount Audubon CO

Winter Weather Advisory May 18, 06:44pm until May 18, 09:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory May 18, 06:44pm until May 18, 09:00pm

    NOW until 9:00pm Mon

    Winter Weather Advisory

  • Tonight

    Low: 18 °F

    Snow Showers
    and Patchy
    Fog then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 31. West southwest wind 6 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 9pm. Low around 20. South southeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 39. West southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °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 21. Southwest wind 5 to 8 mph.

    Low: 21 °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 43. Chance of precipitation is 70%.

    High: 43 °F

    Mostly Sunny
    then Snow
    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 9pm. Some thunder is also possible. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.

    Low: 23 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: A chance of snow showers before 3pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow showers, mainly before midnight. Patchy fog before midnight. Low around 18. West southwest wind 6 to 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow showers likely, mainly after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 31. West southwest wind 6 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow showers, mainly before 9pm. Low around 20. South southeast wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 39. West southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 21. Southwest wind 5 to 8 mph.
Thursday
Snow showers likely after noon. Some thunder is also possible. Partly sunny, with a high near 43. Chance of precipitation is 70%.
Thursday Night
Rain and snow showers likely, becoming all snow after 9pm. Some thunder is also possible. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Friday
A chance of snow showers before 3pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 43.
Friday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Some thunder is also possible. Partly cloudy, with a low around 21.
Saturday
A chance of rain and snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 29.
Memorial Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Mount Audubon CO
 40.09°N 105.66°W (Elev. 10276 ft)
Last Update:
12:46 pm MDT May 18, 2026
Forecast Valid:
6pm MDT May 18, 2026-6pm MDT May 25, 2026
 
Forecast Discussion
 
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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