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

44°F

7°C

Humidity 54%
Wind Speed SE 15 G 26 mph
Barometer 29.76 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 May 10:55 am MDT
Extended Forecast for

2 Miles SW Deer Ridge CO

Winter Weather Advisory May 18, 11:20am until May 18, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory May 18, 11:20am until May 18, 09:00pm

    NOW until 9:00pm Mon

    Winter Weather Advisory

  • Today

    High: 33 °F

    Heavy Snow

  • Tonight

    Tonight: Snow showers, mainly before midnight. Low around 25. 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: 25 °F

    Snow Showers
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely after noon, mixing with rain after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 40. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Partly Sunny
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 28. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow showers, becoming all rain after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 50. Light and variable wind. Chance of precipitation is 70%.

    High: 50 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Partly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 3am, then a slight chance of rain and snow showers after 3am. Some thunder is also possible. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 33. East wind 5 to 7 mph, with gusts as high as 17 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow showers, mainly before midnight. Low around 25. 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, mixing with rain after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 40. Calm wind becoming east southeast around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 28. Light and variable wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Rain likely, possibly mixed with snow showers, becoming all rain after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 50. Light and variable wind. Chance of precipitation is 70%.
Wednesday Night
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 3am, then a slight chance of rain and snow showers after 3am. Some thunder is also possible. Mostly cloudy, with a low around 31.
Friday
A chance of rain and 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 57.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Deer Ridge CO
 40.35°N 105.63°W (Elev. 8373 ft)
Last Update:
9:12 am MDT May 18, 2026
Forecast Valid:
11am 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