Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

81°F

27°C

Humidity 23%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 07 Jul 03:15 PM MDT
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a steady temperature around 77. West wind around 11 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 52. Northwest wind 5 to 9 mph becoming light and variable.  Chance of precipitation is 20%.

    Low: 52 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Isolated showers and thunderstorms before 4pm, then isolated showers and thunderstorms after 5pm.  Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 80 °F

    Sunny then
    Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 52. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 52 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a steady temperature around 77. West wind around 11 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 52. Northwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 20%.
Wednesday
Isolated showers and thunderstorms before 4pm, then isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Isolated showers and thunderstorms before 8pm. Mostly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 84. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
3:18 pm MDT Jul 7, 2026
4pm MDT Jul 7, 2026-6pm MDT Jul 13, 2026
 
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Additional Resources

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