Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. 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.

68°F

20°C

Humidity	37%
Wind Speed	N 5 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	22 Aug 08:15 PM MDT

More Information:

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

Extended Forecast for

2 Miles S Mammoth Hot Springs WY

Tonight
Low: 42 °F
Mostly Clear
Saturday
High: 77 °F
Sunny then
Haze
Saturday Night
Low: 43 °F
Haze
Sunday
High: 75 °F
Mostly Sunny
Sunday Night
Low: 44 °F
Mostly Cloudy
Monday
High: 73 °F
Mostly Sunny
then Isolated
T-storms
Monday Night
Low: 45 °F
Isolated
T-storms then
Partly Cloudy
Tuesday
High: 74 °F
Mostly Sunny
then
Scattered
Showers
Tuesday Night
Low: 47 °F
Scattered
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 42. West northwest wind 5 to 11 mph.

Saturday

Widespread haze after 1pm. Sunny, with a high near 77. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

Widespread haze between 10pm and 3am. Areas of smoke before 10pm. Partly cloudy, with a low around 43. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Sunday

Mostly sunny, with a high near 75. Calm wind becoming north 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Mostly cloudy, with a low around 44. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Monday

Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 73. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. North wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 20%.

Tuesday

Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 74. Chance of precipitation is 40%.

Tuesday Night

Scattered showers and thunderstorms before midnight, then isolated showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

Wednesday

Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. Chance of precipitation is 60%.

Wednesday Night

Scattered showers and thunderstorms. Cloudy, with a low around 47.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64.

Thursday Night

Scattered showers and thunderstorms. Mostly cloudy, with a low around 45.