Excessive Rainfall in the Southern Plains into the Lower Mississippi and Upper Midwest

Heavy thunderstorms will continue to produce areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Saturday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding across portions of the Upper Midwest, mainly over central Minnesota. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

NA

53°F

12°C

Humidity 63%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Jun 08:15 AM MDT
Extended Forecast for

Mammoth Hot Springs WY

  • Today

    Today: Isolated showers and thunderstorms after 4pm.  Mostly sunny, with a high near 74. West wind 5 to 11 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 46. West northwest wind 6 to 11 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 46 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly between 4pm and 5pm.  Sunny, with a high near 79. Breezy, with a light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Sunny then
    Scattered
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Southwest wind 5 to 13 mph becoming southeast after midnight.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Sunny, with a high near 80. Breezy, with a south southeast wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Southwest wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 74. West wind 5 to 11 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 46. West northwest wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Scattered showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 79. Breezy, with a light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 49. Southwest wind 5 to 13 mph becoming southeast after midnight.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 80. Breezy, with a south southeast wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 49. Southwest wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 25 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 49.
Monday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 46.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 76. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
6:58 am MDT Jun 12, 2025
9am MDT Jun 12, 2025-6pm MDT Jun 18, 2025
 
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