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River Flooding Continues to be a Concern for Multiple Regions across the Country

Recent rainfall has increased the threat of Moderate to Major flooding along rivers in the Mid-Atlantic, especially Virginia and Maryland, over the next few days. Rainfall combined with snowmelt is also fueling Moderate-to-Major flooding in the northern Rockies and northern Intermountain West. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.97722°NLon: 110.69528°WElev: 6127ft.

NA

59°F

15°C

Humidity 58%
Wind Speed W 4 G 4 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 May 8:15 pm MDT
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South southeast wind 5 to 7 mph.

    Mostly Cloudy

    Low: 39 °F

  • Monday

    Monday: Scattered showers and thunderstorms after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain.  Partly sunny, with a high near 64. Southeast wind around 7 mph.  Chance of precipitation is 30%.

    Partly Sunny
    then Heavy
    Rain

    High: 64 °F

  • Monday
    Night

    Monday Night: Scattered showers and thunderstorms before 10pm, then isolated showers between 10pm and 1am. Some of the storms could produce small hail, gusty winds, and heavy rain.  Mostly cloudy, with a low around 39. West wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 30%.

    Heavy Rain

    Low: 39 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain.  Partly sunny, with a high near 64. Light and variable wind becoming northeast 5 to 7 mph in the morning.  Chance of precipitation is 40%.

    Mostly Sunny
    then Heavy
    Rain

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms before 1am, then isolated showers. Some of the storms could produce small hail, gusty winds, and heavy rain.  Mostly cloudy, with a low around 41. Northeast wind 5 to 8 mph becoming east southeast in the evening.  Chance of precipitation is 40%.

    Heavy Rain

    Low: 41 °F

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain.  Cloudy, with a high near 60. Light and variable wind becoming south southwest 5 to 8 mph in the morning.  Chance of precipitation is 40%.

    Heavy Rain

    High: 60 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers and thunderstorms before 1am. Some of the storms could produce small hail, gusty winds, and heavy rain.  Mostly cloudy, with a low around 42. South southwest wind 5 to 8 mph.  Chance of precipitation is 40%.

    Heavy Rain

    Low: 42 °F

  • Thursday

    Thursday: A slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 62. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 62 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy, with a low around 42. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 42 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. South southeast wind 5 to 7 mph.
Monday
Scattered showers and thunderstorms after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Partly sunny, with a high near 64. Southeast wind around 7 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms before 10pm, then isolated showers between 10pm and 1am. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a low around 39. West wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Partly sunny, with a high near 64. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms before 1am, then isolated showers. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a low around 41. Northeast wind 5 to 8 mph becoming east southeast in the evening. Chance of precipitation is 40%.
Wednesday
Scattered showers, with thunderstorms also possible after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Cloudy, with a high near 60. Light and variable wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
Scattered showers and thunderstorms before 1am. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a low around 42. South southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 67.
Friday Night
A chance of showers. Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 71.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 42.
Sunday
A slight chance of showers. Mostly sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
3:44 pm MDT May 20, 2018
9pm MDT May 20, 2018-6pm MDT May 27, 2018
 
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