Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

41°F

5°C

Humidity	78%
Wind Speed	S 7 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	36°F (2°C)
Last update	29 Jun 09:15 AM MDT

More Information:

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

Extended Forecast for

4 Miles WSW Mount Holmes WY

Today
High: 38 °F
Breezy. Snow
Showers then
Rain/Snow
Tonight
Low: 36 °F
Showers
Likely and
Breezy then
Isolated
Showers
Tuesday
High: 55 °F
Decreasing
Clouds
Tuesday Night
Low: 36 °F
Mostly Clear
Wednesday
High: 57 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 38 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 60 °F
Sunny then
Mostly Sunny
and Breezy
Thursday Night
Low: 41 °F
Partly Cloudy
Friday
High: 60 °F
Partly Sunny
then Slight
Chance
T-storms and
Breezy

Detailed Forecast

Today

Rain, possibly mixed with snow showers, becoming all rain after 3pm. Some thunder is also possible. Snow level rising to 9800 feet in the afternoon. High near 38. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Showers and thunderstorms likely before 9pm, then scattered showers. Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 6 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Tuesday

Mostly cloudy, then gradually becoming sunny, with a high near 55. Southwest wind 5 to 13 mph.

Tuesday Night

Mostly clear, with a low around 36. Southwest wind 6 to 11 mph becoming light and variable after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 57. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38. Southwest wind 5 to 11 mph becoming east southeast after midnight. Winds could gust as high as 23 mph.

Thursday

Mostly sunny, with a high near 60. Breezy, with a southeast wind 5 to 10 mph becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 30 mph.

Thursday Night

Partly cloudy, with a low around 41.

Friday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 60. Breezy.

Friday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.

Independence Day

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61.

Saturday Night

Mostly clear, with a low around 40.

Sunday

Sunny, with a high near 68.