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

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

46°F

8°C

Humidity 43%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 18 Oct 10:15 PM MDT
Extended Forecast for

12 Miles NW Mount Holmes WY

  • Tonight

    Tonight: Clear, with a low around 29. South wind 5 to 7 mph.

    Low: 29 °F

    Clear

  • Monday

    Monday: Widespread frost before 9am.  Otherwise, sunny, with a high near 54. South wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 54 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. South wind 5 to 9 mph becoming calm  after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. South southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers likely before midnight, then rain, possibly mixed with snow showers.  Low around 35. Chance of precipitation is 90%.

    Low: 35 °F

    Showers
    Likely then
    Rain/Snow

Detailed Forecast

Tonight
Clear, with a low around 29. South wind 5 to 7 mph.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 54. South wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 33. South wind 5 to 9 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 54. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 35. Light and variable wind.
Wednesday
Mostly sunny, with a high near 55. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 36. South southwest wind around 5 mph becoming light and variable in the evening.
Thursday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 54.
Thursday Night
Rain showers likely before midnight, then rain, possibly mixed with snow showers. Low around 35. Chance of precipitation is 90%.
Friday
Rain and snow showers. Snow level 9200 feet lowering to 7700 feet in the afternoon . High near 39. Chance of precipitation is 100%.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NW Mount Holmes WY
 44.91°N 111.04°W (Elev. 7392 ft)
10:31 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