Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

78°F

26°C

Humidity	17%
Wind Speed	SSE 3 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Heat Index	77°F (25°C)
Last update	13 Jun 12:15 PM MDT

More Information:

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

Extended Forecast for

Mammoth WY

This Afternoon
High: 81 °F
Sunny and
Breezy
Tonight
Low: 49 °F
Mostly Clear
and Breezy
then Mostly
Clear
Saturday
High: 80 °F
Mostly Sunny
then Partly
Sunny and
Breezy
Saturday Night
Low: 49 °F
Partly Cloudy
and Breezy
then Mostly
Clear
Sunday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 50 °F
Partly Cloudy
Monday
High: 80 °F
Partly Sunny
then Chance
T-storms
Monday Night
Low: 48 °F
Chance
Showers then
Mostly Cloudy
Tuesday
High: 72 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 81. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 25 mph.

Tonight

Mostly clear, with a low around 49. Breezy, with a south southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Saturday

Increasing clouds, with a high near 80. Breezy, with a south southeast wind 5 to 10 mph becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

Saturday Night

Partly cloudy, with a low around 49. Breezy, with a west southwest wind 5 to 15 mph becoming east after midnight. Winds could gust as high as 21 mph.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

Sunday Night

Partly cloudy, with a low around 50. Southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

Monday

A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

Monday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Chance of precipitation is 50%.

Tuesday Night

Partly cloudy, with a low around 45.

Wednesday

Sunny, with a high near 76.

Wednesday Night

Mostly clear, with a low around 48.

Juneteenth

Sunny, with a high near 83. Breezy.