National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

78°F

26°C

Humidity 16%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 05 Oct 05:15 PM MDT
Extended Forecast for

4 Miles ESE Mammoth Hot Springs WY

  • Tonight

    Tonight: Mostly clear, with a low around 40. West southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. West northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. West southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 37. Light and variable wind.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 64. Breezy.
Saturday Night
Rain and snow showers likely. Mostly cloudy, with a low around 34.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain and snow showers likely. Snow level 7900 feet lowering to 6700 feet after midnight . Mostly cloudy, with a low around 27.
Columbus Day
A chance of rain and snow showers. Snow level rising to 7200 feet in the afternoon. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Mammoth Hot Springs WY
 44.95°N 110.62°W (Elev. 6736 ft)
Last Update:
5:46 pm MDT Oct 5, 2026
Forecast Valid:
5pm MDT Oct 5, 2026-6pm MDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation