Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. 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.

68°F

20°C

Humidity	39%
Wind Speed	SSW 6 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	17 Aug 06:15 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: 47 °F
Scattered
Showers then
Mostly Cloudy
Tuesday
High: 71 °F
Isolated
Showers then
Scattered
T-storms
Tuesday Night
Low: 44 °F
Scattered
Showers then
Partly Cloudy
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 46 °F
Mostly Clear
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 50 °F
Partly Cloudy
Friday
High: 79 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 52 °F
Chance
Showers

Detailed Forecast

Tonight

Scattered showers and thunderstorms before 9pm. Mostly cloudy, with a low around 47. West southwest wind 9 to 14 mph becoming light. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

Tuesday

Isolated showers between 9am and noon, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 71. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 21 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 44. Northwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

Wednesday

Sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

Wednesday Night

Mostly clear, with a low around 46. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Thursday

Sunny, with a high near 78. Light and variable wind becoming west 5 to 7 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 50. West southwest wind around 5 mph becoming light and variable after midnight.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

Friday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52. 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 74. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 72.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.