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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

71°F

22°C

Humidity 35%
Wind Speed S 14 G 23 mph
Barometer 30.36 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 1 Sep 2:55 pm MDT
Extended Forecast for

3 Miles ENE Grand Lake CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 40. Southwest wind 5 to 9 mph, with gusts as high as 17 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 69 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. West southwest wind 6 to 14 mph, with gusts as high as 26 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 40. Southwest wind 5 to 9 mph, with gusts as high as 17 mph.
Wednesday
Sunny, with a high near 69. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 40. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 71. West southwest wind 6 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Labor Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Grand Lake CO
 40.28°N 105.77°W (Elev. 9196 ft)
Last Update:
12:47 pm MDT Sep 1, 2026
Forecast Valid:
3pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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