Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

58°F

14°C

Humidity	50%
Wind Speed	S 5 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	30 Jun 10:15 AM MDT

More Information:

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

Extended Forecast for

5 Miles WSW Mount Holmes WY

Today
High: 55 °F
Scattered
T-storms
Tonight
Low: 38 °F
Isolated
T-storms then
Mostly Clear
Wednesday
High: 62 °F
Sunny
Wednesday Night
Low: 41 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 65 °F
Sunny then
Mostly Sunny
and Breezy
Thursday Night
Low: 44 °F
Partly Cloudy
Friday
High: 66 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 42 °F
Slight Chance
T-storms then
Partly Cloudy
Independence Day
High: 68 °F
Sunny

Detailed Forecast

Today

Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 55. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

Tonight

Isolated showers and thunderstorms before 10pm. Mostly clear, with a low around 38. Southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 20%.

Wednesday

Sunny, with a high near 62. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

Wednesday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 41. Southwest wind 8 to 13 mph becoming light and variable in the evening. Chance of precipitation is 10%.

Thursday

Mostly sunny, with a high near 65. Breezy, with a light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 21 mph.

Thursday Night

Partly cloudy, with a low around 44. Southwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 28 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.

Independence Day

Sunny, with a high near 68.

Saturday Night

Mostly clear, with a low around 44.

Sunday

Sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 49.

Monday

Mostly sunny, with a high near 75.