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

64°F

18°C

Humidity 17%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 18 Oct 04:15 PM MDT
Extended Forecast for

6 Miles SSW Mammoth Hot Springs WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Southwest wind around 9 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. South southwest wind around 8 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 54. South southwest wind 3 to 5 mph.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Southeast wind 5 to 8 mph becoming southwest in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 28. South southwest wind around 8 mph.
Monday
Sunny, with a high near 55. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 30. South wind around 7 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 54. South southwest wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 56. Southeast wind 5 to 8 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 55.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 35. Chance of precipitation is 80%.
Friday
Rain and snow showers. Snow level 9700 feet lowering to 8400 feet in the afternoon . Cloudy, with a high near 40.
Friday Night
Rain and snow showers. Mostly cloudy, with a low around 25.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
3:31 pm MDT Oct 18, 2026
4pm MDT Oct 18, 2026-6pm MDT Oct 24, 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