Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

61°F

16°C

Humidity	60%
Wind Speed	N 10 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	17 Aug 09:15 PM MDT

More Information:

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

Extended Forecast for

Mammoth Hot Springs WY

Tonight
Low: 50 °F
Mostly Cloudy
Tuesday
High: 77 °F
Isolated
Showers then
Scattered
T-storms
Tuesday Night
Low: 47 °F
Scattered
Showers then
Partly Cloudy
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 53 °F
Partly Cloudy
Friday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 55 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 50. Light and variable wind becoming south southeast around 6 mph.

Tuesday

Isolated showers between 9am and noon, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 77. Light and variable wind becoming south 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Tuesday Night

Scattered showers and thunderstorms before 10pm, then isolated showers between 10pm and 11pm. Partly cloudy, with a low around 47. Northwest wind 8 to 13 mph becoming light and variable after midnight. Chance of precipitation is 50%.

Wednesday

Sunny, with a high near 80. Light and variable wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 50. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.

Thursday

Sunny, with a high near 85. Light and variable wind becoming west around 6 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 53. West southwest wind around 5 mph becoming south southeast after midnight.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.

Friday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 78.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.