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.

Partly Cloudy

35°F

2°C

Humidity 51%
Wind Speed E 5 mph
Barometer 30.38 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 19 Oct 3:35 am MDT
Extended Forecast for

11 Miles N Silverthorne CO

  • Overnight

    Overnight: Partly cloudy, with a low around 29. South wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after 3pm.  Partly sunny, with a high near 54. South southeast wind around 5 mph becoming light and variable  in the afternoon.

    High: 54 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind 3 to 6 mph.

    Low: 32 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 3pm.  Mostly sunny, with a high near 52. Calm wind becoming west northwest around 6 mph.  Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. South wind around 5 mph.
Monday
A 30 percent chance of showers, mainly after 3pm. Partly sunny, with a high near 54. South southeast wind around 5 mph becoming light and variable in the afternoon.
Monday Night
A 30 percent chance of showers, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind 3 to 6 mph.
Tuesday
A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 3pm. Mostly sunny, with a high near 52. Calm wind becoming west northwest around 6 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 32. Light and variable wind.
Wednesday
A 20 percent chance of showers after noon. Partly sunny, with a high near 56.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 55.
Thursday Night
Showers. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow showers, mainly before noon. Mostly sunny, with a high near 47.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Saturday
A chance of snow showers. Partly sunny, with a high near 44.
Saturday Night
A slight chance of snow showers. Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Silverthorne CO
 39.82°N 106.03°W (Elev. 9800 ft)
12:46 am MDT Oct 19, 2026
3am MDT Oct 19, 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