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

50°F

10°C

Humidity 70%
Wind Speed SW 3 G 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 30 Sep 3:15 am MDT
Extended Forecast for

14 Miles NW Mount Holmes WY

  • Overnight

    Overnight: Isolated showers and thunderstorms.  Mostly cloudy, with a low around 41. South southwest wind around 9 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 41 °F

  • Friday

    Friday: Isolated showers, with thunderstorms also possible after noon. Some of the storms could produce gusty winds.  Partly sunny, with a high near 63. South wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Isolated
    Showers then
    Isolated
    T-storms

    High: 63 °F

  • Friday
    Night

    Friday Night: Isolated showers and thunderstorms before midnight. Some of the storms could produce gusty winds.  Partly cloudy, with a low around 41. South wind 7 to 11 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 41 °F

  • Saturday

    Saturday: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce gusty winds.  Partly sunny, with a high near 57. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 30%.

    Scattered
    Showers and
    Breezy

    High: 57 °F

  • Saturday
    Night

    Saturday Night: A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible.  Mostly cloudy, with a low around 34. Breezy, with a southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms and
    Breezy then
    Isolated
    Rain/Snow

    Low: 34 °F

  • Sunday

    Sunday: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce small hail and gusty winds.  Partly sunny, with a high near 52. Breezy, with a south wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.

    Scattered
    Showers and
    Breezy

    High: 52 °F

  • Sunday
    Night

    Sunday Night: Scattered showers and thunderstorms. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a low around 38. South wind 5 to 11 mph.  Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 38 °F

  • Monday

    Monday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 47. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 47 °F

  • Monday
    Night

    Monday Night: Scattered rain showers before midnight, then scattered rain and snow showers. Some thunder is also possible.  Cloudy, with a low around 34. Chance of precipitation is 50%.

    Scattered
    Showers then
    Scattered
    Rain/Snow

    Low: 34 °F

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Mostly cloudy, with a low around 41. South southwest wind around 9 mph. Chance of precipitation is 20%.
Friday
Isolated showers, with thunderstorms also possible after noon. Some of the storms could produce gusty winds. Partly sunny, with a high near 63. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms before midnight. Some of the storms could produce gusty winds. Partly cloudy, with a low around 41. South wind 7 to 11 mph. Chance of precipitation is 20%.
Saturday
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce gusty winds. Partly sunny, with a high near 57. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Sunday
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce small hail and gusty winds. Partly sunny, with a high near 52. Breezy, with a south wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a low around 38. South wind 5 to 11 mph. Chance of precipitation is 40%.
Monday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
Monday Night
Scattered rain showers before midnight, then scattered rain and snow showers. Some thunder is also possible. Cloudy, with a low around 34. Chance of precipitation is 50%.
Tuesday
Scattered rain and snow showers before noon, then scattered rain showers. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow showers. Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 45.
Click Map For Forecast
Point Forecast:
14 Miles NW Mount Holmes WY
 44.95°N 111.08°W (Elev. 7871 ft)
2:42 am MDT Sep 30, 2016
4am MDT Sep 30, 2016-6pm MDT Oct 6, 2016
 
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