Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

49°F

9°C

Humidity	30%
Wind Speed	SSW 5 MPH
Barometer	NA
Dewpoint	18°F (-8°C)
Visibility	NA
Wind Chill	47°F (8°C)
Last update	20 Mar 06:15 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mammoth WY

Today
High: 67 °F
Mostly Sunny
Tonight
Low: 44 °F
Partly Cloudy
Saturday
High: 64 °F
Mostly Sunny
then Slight
Chance
Showers
Saturday Night
Low: 35 °F
Chance
Showers
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 35 °F
Partly Cloudy
Monday
High: 57 °F
Partly Sunny
Monday Night
Low: 36 °F
Mostly Cloudy
Tuesday
High: 60 °F
Partly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 67. Light south southeast wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Tonight

Partly cloudy, with a low around 44. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

Saturday

A 20 percent chance of showers after noon. Partly sunny, with a high near 64. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

A 40 percent chance of showers, mainly before midnight. Snow level 9700 feet lowering to 6700 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 5 to 10 mph.

Sunday

Sunny, with a high near 56. West southwest wind 5 to 11 mph.

Sunday Night

Partly cloudy, with a low around 35. South wind 6 to 11 mph.

Monday

Partly sunny, with a high near 57. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.

Monday Night

Mostly cloudy, with a low around 36.

Tuesday

Partly sunny, with a high near 60.

Tuesday Night

Mostly cloudy, with a low around 44.