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 Rain

37°F

3°C

Humidity 92%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 18 May 2:55 pm MDT
Extended Forecast for

6 Miles SW Deer Ridge CO

Winter Storm Warning May 18, 03:16pm until May 18, 09:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning May 18, 03:16pm until May 18, 09:00pm

    NOW until 9:00pm Mon

    Winter Storm Warning

  • This Afternoon

    High: 25 °F

    Heavy Snow

  • Tonight

    Tonight: Snow showers, mainly before midnight. Patchy fog before midnight. Steady temperature around 24. East southeast wind around 7 mph becoming west southwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Showers
    and Patchy
    Fog then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after 3pm. Some thunder is also possible. Increasing clouds, with a high near 33. West southwest wind around 8 mph becoming east 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: 33 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 9pm. Low around 24. East wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers, mainly after noon. Some thunder is also possible. High near 41. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 41 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Thursday

    Thursday: Snow showers likely after noon. Some thunder is also possible. Partly sunny, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    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 27.

    Low: 27 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 25. South southeast wind around 7 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 8 to 12 inches possible.
Tonight
Snow showers, mainly before midnight. Patchy fog before midnight. Steady temperature around 24. East southeast wind around 7 mph becoming west southwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers likely, mainly after 3pm. Some thunder is also possible. Increasing clouds, with a high near 33. West southwest wind around 8 mph becoming east 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 24. East wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow showers, mainly after noon. Some thunder is also possible. High near 41. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 25.
Thursday
Snow showers likely after noon. Some thunder is also possible. Partly sunny, with a high near 45. Chance of precipitation is 70%.
Thursday Night
Snow showers likely, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 27.
Friday
A chance of snow showers, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 45. Breezy.
Friday Night
A slight chance of snow showers before midnight. Partly cloudy, with a low around 28.
Saturday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 51. Breezy.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Deer Ridge CO
 40.33°N 105.68°W (Elev. 10482 ft)
Last Update:
12:46 pm MDT May 18, 2026
Forecast Valid:
3pm 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