Heavy rain expected across the Mid-Atlantic region and central Appalachians.

Heavy rainfall is possible over portions of the eastern United States today, with the highest risk across the Mid-Atlantic and central Appalachians. Click the "Read More" link for excessive rainfall forecasts from the Weather Prediction Center. Afternoon showers and thunderstorms are possible over portions of the Southwest and southern Rockies through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.97722°NLon: 110.69528°WElev: 6299ft.

NA

65°F

18°C

Humidity 39%
Wind Speed SSE 7 G 13 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 29 Sep 12:15 pm MDT
Extended Forecast for

Mammoth WY

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a high near 70. South southwest wind 9 to 13 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 70 °F

  • Tonight

    Tonight: Isolated showers and thunderstorms. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a low around 46. South southwest wind 6 to 9 mph becoming east southeast after midnight.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 46 °F

  • Friday

    Friday: Isolated showers before 7am.  Mostly sunny, with a high near 71. Southeast wind 6 to 10 mph becoming southwest in the afternoon.  Chance of precipitation is 20%.

    Isolated
    Showers then
    Mostly Sunny

    High: 71 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming east southeast after midnight.

    Partly Cloudy

    Low: 45 °F

  • Saturday

    Saturday: Isolated showers between 7am and 1pm, then isolated showers and thunderstorms after 1pm.  Partly sunny, with a high near 67. Breezy, with an east southeast wind 6 to 11 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    Isolated
    Showers then
    Isolated
    T-storms and
    Breezy

    High: 67 °F

  • Saturday
    Night

    Saturday Night: Isolated showers and thunderstorms.  Mostly cloudy, with a low around 41. Breezy, with a southwest wind 12 to 17 mph becoming south southeast 6 to 11 mph after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms and
    Breezy

    Low: 41 °F

  • Sunday

    Sunday: Isolated showers before 7am, then isolated showers and thunderstorms after 1pm.  Partly sunny, with a high near 60. Southeast wind 5 to 11 mph.  Chance of precipitation is 20%.

    Isolated
    Showers then
    Isolated
    T-storms

    High: 60 °F

  • Sunday
    Night

    Sunday Night: Isolated showers and thunderstorms.  Mostly cloudy, with a low around 40. Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 40 °F

  • Monday

    Monday: Isolated showers, then scattered showers and thunderstorms after 7am.  Mostly cloudy, with a high near 54. Chance of precipitation is 30%.

    Slight Chance
    T-storms then
    Scattered
    Showers

    High: 54 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a high near 70. South southwest wind 9 to 13 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a low around 46. South southwest wind 6 to 9 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Friday
Isolated showers before 7am. Mostly sunny, with a high near 71. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming east southeast after midnight.
Saturday
Isolated showers between 7am and 1pm, then isolated showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Breezy, with an east southeast wind 6 to 11 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers and thunderstorms. Mostly cloudy, with a low around 41. Breezy, with a southwest wind 12 to 17 mph becoming south southeast 6 to 11 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Sunday
Isolated showers before 7am, then isolated showers and thunderstorms after 1pm. Partly sunny, with a high near 60. Southeast wind 5 to 11 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 20%.
Monday
Isolated showers, then scattered showers and thunderstorms after 7am. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms before 1am, then isolated showers. Cloudy, with a low around 37. Chance of precipitation is 30%.
Tuesday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 46.
Tuesday Night
Isolated showers. Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 49.
Click Map For Forecast
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
11:59 am MDT Sep 29, 2016
1pm MDT Sep 29, 2016-6pm MDT Oct 5, 2016
 
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