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.

Light Snow

33°F

1°C

Humidity 95%
Wind Speed N 6 mph
Barometer 29.86 in
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill27°F (-3°C)
Last update 18 May 12:15 pm MDT
Extended Forecast for

3 Miles SW Deer Ridge CO

Winter Weather Advisory May 18, 12:25pm until May 18, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory May 18, 12:25pm until May 18, 09:00pm

    NOW until 9:00pm Mon

    Winter Weather Advisory

  • This Afternoon

    High: 32 °F

    Heavy Snow

  • Tonight

    Tonight: Snow showers, mainly before midnight. Low around 24. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Showers
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely after noon. Some thunder is also possible. Mostly sunny through mid morning, then becoming cloudy, with a high near 38. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 38 °F

    Partly Sunny
    then Snow
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of snow showers before noon, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a high near 47. Calm wind becoming west southwest around 6 mph. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    High: 47 °F

    Slight Chance
    Snow Showers
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Rain likely, possibly mixed with snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Mostly Sunny
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 9pm, then a chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 32. East wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
Snow showers, mainly before midnight. Low around 24. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers likely after noon. Some thunder is also possible. Mostly sunny through mid morning, then becoming cloudy, with a high near 38. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
A slight chance of snow showers before noon, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a high near 47. Calm wind becoming west southwest around 6 mph. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Wednesday Night
A slight chance of rain and snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Thursday
Rain likely, possibly mixed with snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 51. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 9pm, then a chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 29.
Friday
A chance of snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Deer Ridge CO
 40.35°N 105.66°W (Elev. 9318 ft)
Last Update:
9:12 am MDT May 18, 2026
Forecast Valid:
12pm MDT May 18, 2026-6pm MDT May 24, 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