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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

53°F

12°C

Humidity 27%
Wind Speed NW 9 G 16 mph
Barometer 30.12 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 22 May 2:15 pm MDT
Extended Forecast for

Arapahoe Peak CO

  • This Afternoon

    This Afternoon: A 30 percent chance of snow showers, mainly after 5pm. Some thunder is also possible. Partly sunny, with a high near 31. West wind around 9 mph, with gusts as high as 17 mph. Little or no snow accumulation expected.

    High: 31 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. West wind 8 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 35. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 35 °F

    Breezy. Sunny
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 43. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: A 50 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 46.

    High: 46 °F

    Sunny then
    Chance Snow
    Showers

  • Monday Night

    Monday Night: A chance of snow showers before midnight. Some thunder is also possible. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Snow showers, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 42. Breezy.

    High: 42 °F

    Snow Showers
    and Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of snow showers, mainly after 5pm. Some thunder is also possible. Partly sunny, with a high near 31. West wind around 9 mph, with gusts as high as 17 mph. Little or no snow accumulation expected.
Tonight
A 40 percent chance of snow showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. West wind 8 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 35. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 23. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 43. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 29.
Memorial Day
A 50 percent chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 46.
Monday Night
A chance of snow showers before midnight. Some thunder is also possible. Mostly cloudy, with a low around 32.
Tuesday
Snow showers, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 42. Breezy.
Tuesday Night
Snow showers, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 29.
Wednesday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 41.
Wednesday Night
A chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 31. Breezy.
Thursday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 44. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
12:46 pm MDT May 22, 2026
Forecast Valid:
2pm MDT May 22, 2026-6pm MDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation