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.

48°F

9°C

Humidity	35%
Wind Speed	S 6 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	21 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: 65 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 36 °F
Chance
Showers then
Partly Cloudy
Sunday
High: 55 °F
Sunny
Sunday Night
Low: 34 °F
Partly Cloudy
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 39 °F
Mostly Cloudy
Tuesday
High: 59 °F
Chance
Showers
Tuesday Night
Low: 44 °F
Slight Chance
Showers then
Mostly Cloudy
Wednesday
High: 61 °F
Mostly Sunny
then Slight
Chance
Showers and
Breezy

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 65. Southeast wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

Tonight

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 55. West southwest wind 5 to 11 mph.

Sunday Night

Partly cloudy, with a low around 34. South wind 6 to 10 mph, with gusts as high as 24 mph.

Monday

Mostly sunny, with a high near 59. South wind 6 to 10 mph, with gusts as high as 22 mph.

Monday Night

Mostly cloudy, with a low around 39. South wind 6 to 10 mph, with gusts as high as 22 mph.

Tuesday

A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 59. Southwest wind 6 to 14 mph, with gusts as high as 26 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 44.

Wednesday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 61. Breezy.

Wednesday Night

A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Snow level 8600 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

Thursday

A slight chance of rain and snow showers. Mostly sunny, with a high near 54.

Thursday Night

Partly cloudy, with a low around 31.

Friday

Mostly sunny, with a high near 56.