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

Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

41°F

5°C

Humidity 46%
Wind Speed S 12 mph
Barometer 30.11 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 6:55 pm MDT
Extended Forecast for

Saint Marys Glacier CO

Winter Weather Advisory until April 20, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 20, 09:00am

    NOW until
    9:00am Sat

    Winter Weather Advisory

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Some thunder is also possible. Low around 17. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.

    Heavy Snow

    Low: 17 °F

  • Saturday

    Saturday: Snow. Some thunder is also possible. Patchy blowing snow after 3pm. High near 29. Blustery, with a southwest wind 10 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Snow and
    Patchy
    Blowing Snow

    High: 29 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 18. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Chance Snow
    Showers and
    Breezy

    Low: 18 °F

  • Sunday

    Sunday: Sunny, with a high near 35. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph.

    Sunny and
    Breezy

    High: 35 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 25. Windy, with a west wind 17 to 22 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 44 mph.

    Partly Cloudy
    and Windy

    Low: 25 °F

  • Monday

    Monday: A 50 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 40. Very windy.

    Very Windy.
    Mostly Sunny
    then Chance
    Snow Showers

    High: 40 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 22. Windy.

    Chance Snow
    Showers and
    Windy

    Low: 22 °F

  • Tuesday

    Tuesday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 36. Breezy.

    Snow Showers
    Likely and
    Breezy

    High: 36 °F

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Some thunder is also possible. Low around 17. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Saturday
Snow. Some thunder is also possible. Patchy blowing snow after 3pm. High near 29. Blustery, with a southwest wind 10 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 30 percent chance of snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 18. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 35. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph.
Sunday Night
Partly cloudy, with a low around 25. Windy, with a west wind 17 to 22 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 44 mph.
Monday
A 50 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 40. Very windy.
Monday Night
A 30 percent chance of snow showers, mainly before midnight. Partly cloudy, with a low around 22. Windy.
Tuesday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 36. Breezy.
Tuesday Night
Snow showers likely, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around 24. Breezy.
Wednesday
A chance of snow showers, mainly after noon. Some thunder is also possible. Mostly sunny, with a high near 42. Breezy.
Wednesday Night
A chance of snow showers. Partly cloudy, with a low around 26. Breezy.
Thursday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 39. Breezy.
Thursday Night
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 24. Breezy.
Friday
Snow showers. Some thunder is also possible. Mostly cloudy, with a high near 35. Breezy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Marys Glacier CO
 39.84°N 105.66°W (Elev. 11798 ft)
Last Update:
3:03 pm MDT Apr 19, 2024
Forecast Valid:
7pm MDT Apr 19, 2024-6pm MDT Apr 26, 2024
 
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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