Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

48°F

9°C

Humidity 27%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 18 Oct 10:15 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. East wind around 5 mph becoming calm  after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph. Winds could gust as high as 17 mph.

    High: 62 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. East wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 33. Light and variable wind.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 33. Calm wind.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Showers likely after noon. Partly sunny, with a high near 64.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 35.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 52.
Saturday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
12:46 pm MDT Oct 18, 2026
10pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
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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