Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Drizzle

52°F

11°C

Humidity 73%
Wind Speed E 14 G 21 mph
Barometer 30.06 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 26 May 7:15 pm MDT
Extended Forecast for

3 Miles WSW Saint Marys Glacier CO

  • Tonight

    Tonight: Rain showers likely before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a slight chance of rain showers after midnight. Some thunder is also possible.  Mostly cloudy, with a low around 35. South southeast wind 7 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon.  High near 50. West southwest wind 7 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 90%.

    High: 50 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 9pm.  Cloudy, then gradually becoming partly cloudy, with a low around 35. South southeast wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm after noon.  High near 51. West wind 6 to 13 mph becoming east in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 51 °F

    Partly Sunny
    then Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 37. East wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 54. Breezy.  Chance of precipitation is 70%.

    High: 54 °F

    Partly Sunny
    and Breezy
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of rain and snow showers, mainly after noon. Some thunder is also possible.  Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Some thunder is also possible.  Partly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Mostly Clear

Detailed Forecast

Tonight
Rain showers likely before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a slight chance of rain showers after midnight. Some thunder is also possible. Mostly cloudy, with a low around 35. South southeast wind 7 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 50. West southwest wind 7 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 35. South southeast wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Showers and possibly a thunderstorm after noon. High near 51. West wind 6 to 13 mph becoming east in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 37. East wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers, mainly after noon. Some thunder is also possible. Mostly sunny, with a high near 50. Breezy.
Saturday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Some thunder is also possible. Partly cloudy, with a low around 33. Breezy.
Sunday
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 50. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 51.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 36.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Saint Marys Glacier CO
 39.82°N 105.69°W (Elev. 10909 ft)
12:46 pm MDT May 26, 2026
7pm MDT May 26, 2026-6pm MDT Jun 2, 2026
 
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Additional Resources

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