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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

20°F

-7°C

Humidity 72%
Wind Speed Calm
Barometer 29.51 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Feb 10:15 pm MST
Extended Forecast for

Arapahoe Peak CO

Winter Weather Advisory February 18, 10:23pm until February 19, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 10:23pm until February 19, 05:00am

    NOW until 5:00am Thu

    Winter Weather Advisory

  • Tonight

    Low: -6 °F

    Snow and
    Blowing Snow

  • Thursday

    Thursday: Snow likely. Widespread blowing snow. Mostly cloudy and cold, with a steady temperature around -5. Wind chill values as low as -34. Windy, with a west wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: -5 °F

    Snow Likely
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around -8. Wind chill values as low as -32. Windy, with a west wind 15 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: -8 °F

    Snow Likely
    and Windy

  • Friday

    Friday: Snow. High near 4. Wind chill values as low as -24. Breezy, with a west wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 4 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow. Low around -6. Windy, with a west wind 22 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.

    Low: -6 °F

    Snow and
    Windy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am. Partly sunny and cold, with a high near 5. Windy.

    High: 5 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -4. Breezy.

    Low: -4 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: A slight chance of snow after 11am. Mostly sunny, with a high near 18. Breezy.

    High: 18 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

Tonight
Snow. Widespread blowing snow. Low around -6. Wind chill values as low as -34. Very windy, with a west wind 40 to 44 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Snow likely. Widespread blowing snow. Mostly cloudy and cold, with a steady temperature around -5. Wind chill values as low as -34. Windy, with a west wind 29 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around -8. Wind chill values as low as -32. Windy, with a west wind 15 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 4. Wind chill values as low as -24. Breezy, with a west wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around -6. Windy, with a west wind 22 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Saturday
A 40 percent chance of snow, mainly before 11am. Partly sunny and cold, with a high near 5. Windy.
Saturday Night
Mostly clear, with a low around -4. Breezy.
Sunday
A slight chance of snow after 11am. Mostly sunny, with a high near 18. Breezy.
Sunday Night
Mostly clear, with a low around 6. Windy.
Monday
Mostly sunny, with a high near 23. Windy.
Monday Night
Mostly cloudy, with a low around 13. Windy.
Tuesday
A chance of snow. Partly sunny, with a high near 22. Windy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 14. Windy.
Wednesday
Snow. Mostly cloudy, with a high near 18. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
11:47 am MST Feb 18, 2026
Forecast Valid:
10pm MST Feb 18, 2026-6pm MST Feb 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