Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into the Mid-Atlantic; Elevated to Critical Fire Concerns Out West

Heavy rainfall will continue through midweek from the lower Mississippi Valley to the Mid-Atlantic. Elevated to critical fire weather threat continues across the Central Great Basin and the Central Rockies; and there is an elevated fire risk from southwestern Oregon to northern California. Record river flooding will continue in portions of the Midwest and the Carolinas. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

NA

43°F

6°C

Humidity 86%
Wind Speed NW 7 G 10 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 23 Sep 9:15 pm MDT
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Showers likely, mainly before 11pm.  Areas of frost after 5am.  Otherwise, partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 60%.

    Showers
    Likely then
    Areas Frost

    Low: 36 °F

  • Monday

    Monday: Isolated showers after 11am.  Areas of frost before 9am.  Otherwise, partly sunny, with a high near 56. Light and variable wind becoming west 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 56 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 33. Northwest wind 5 to 10 mph becoming light west northwest  after midnight.

    Partly Cloudy

    Low: 33 °F

  • Tuesday

    Tuesday: Widespread frost between 7am and 9am.  Otherwise, sunny, with a high near 57. West wind 3 to 5 mph.

    Frost then
    Sunny

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 33. Northwest wind around 6 mph becoming light and variable.

    Mostly Clear

    Low: 33 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. South southwest wind 5 to 11 mph becoming west in the afternoon.

    Mostly Sunny

    High: 66 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 34. West wind 5 to 9 mph.

    Partly Cloudy

    Low: 34 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    Mostly Sunny

    High: 63 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 36.

    Partly Cloudy

    Low: 36 °F

Detailed Forecast

Tonight
Showers likely, mainly before 11pm. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Monday
Isolated showers after 11am. Areas of frost before 9am. Otherwise, partly sunny, with a high near 56. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 33. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Tuesday
Widespread frost between 7am and 9am. Otherwise, sunny, with a high near 57. West wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 33. Northwest wind around 6 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 66. South southwest wind 5 to 11 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 34. West wind 5 to 9 mph.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Areas of frost before 7am. Otherwise, sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
Sunday
A chance of showers. Mostly cloudy, with a high near 62.
Click Map For Forecast
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
6:45 pm MDT Sep 23, 2018
9pm MDT Sep 23, 2018-6pm MDT Sep 30, 2018
 
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Additional Resources

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