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

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

41°F

5°C

Humidity 58%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 17 Oct 02:15 AM MDT
Extended Forecast for

5 Miles WNW Mammoth Hot Springs WY

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Southwest wind around 13 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 32 mph.

    High: 50 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. South southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. South wind 7 to 9 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. South wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. South wind 6 to 9 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Snow level 8800 feet rising to 10000 feet in the afternoon. Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Southwest wind around 13 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 50. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 51. South southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 31. South wind 7 to 9 mph.
Monday
Sunny, with a high near 51. South wind 7 to 11 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 33. South wind 6 to 9 mph.
Tuesday
A 20 percent chance of showers after noon. Snow level 8800 feet rising to 10000 feet in the afternoon. Mostly sunny, with a high near 51.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A chance of showers. Mostly sunny, with a high near 50.
Thursday Night
Rain and snow showers. Mostly cloudy, with a low around 34.
Friday
Rain and snow showers. Snow level 8900 feet lowering to 8100 feet in the afternoon . Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Mammoth Hot Springs WY
 44.99°N 110.81°W (Elev. 8094 ft)
Last Update:
12:31 am MDT Oct 17, 2026
Forecast Valid:
2am MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
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Additional Resources

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Chance of Precipitation