Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

33°F

1°C

Humidity 57%
Wind Speed SSW 12 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 28 Feb 03:15 AM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Overnight

    Overnight: Mostly clear, with a low around 28. South wind around 9 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. South wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 11am.  Snow level rising to 7100 feet in the afternoon. Partly sunny, with a high near 49. South southeast wind 5 to 7 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 35. South wind 3 to 6 mph.

    Low: 35 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers.  Snow level 6700 feet. Mostly cloudy, with a high near 49. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 49 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. North northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 28. South wind around 9 mph.
Saturday
Sunny, with a high near 47. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 29. South wind around 7 mph.
Sunday
A 20 percent chance of showers after 11am. Snow level rising to 7100 feet in the afternoon. Partly sunny, with a high near 49. South southeast wind 5 to 7 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35. South wind 3 to 6 mph.
Monday
A 40 percent chance of showers. Snow level 6700 feet. Mostly cloudy, with a high near 49. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 28. North northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
A 20 percent chance of showers after 11am. Snow level rising to 6200 feet in the afternoon. Mostly cloudy, with a high near 48.
Wednesday Night
Rain and snow showers likely. Snow level 6600 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
Snow showers likely. Mostly cloudy, with a high near 41.
Thursday Night
A slight chance of snow showers. Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
2:53 am MST Feb 28, 2026
3am MST Feb 28, 2026-6pm MST Mar 6, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database