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 NW Mount Holmes WY

Today
High: 36 °F
Breezy. Heavy
Snow then
Rain/Snow
Tonight
Low: 34 °F
Showers
Likely and
Breezy then
Scattered
Showers
Tuesday
High: 50 °F
Areas Frost
then Mostly
Sunny
Tuesday Night
Low: 34 °F
Partly Cloudy
Wednesday
High: 52 °F
Sunny then
Chance
T-storms and
Breezy
Wednesday Night
Low: 35 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 56 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 39 °F
Partly Cloudy
Friday
High: 56 °F
Partly Sunny
then Chance
T-storms and
Breezy

Detailed Forecast

Today

Snow showers before 3pm, then rain, possibly mixed with snow showers. The snow could be heavy at times. Some thunder is also possible. High near 36. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

Showers and thunderstorms likely before 2am, then scattered showers. Snow level 10100 feet. Mostly cloudy, with a low around 34. Breezy, with a west southwest wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Tuesday

Areas of frost between 7am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 50. Southwest wind 8 to 13 mph.

Tuesday Night

Partly cloudy, with a low around 34. South wind 6 to 13 mph.

Wednesday

A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 52. Breezy, with a southwest wind 7 to 15 mph, with gusts as high as 21 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35. Southwest wind 8 to 13 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

Thursday

Mostly sunny, with a high near 56. Breezy, with a south southeast wind 9 to 14 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

Thursday Night

Partly cloudy, with a low around 39.

Friday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 56. Breezy.

Friday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.

Independence Day

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 57.

Saturday Night

Mostly clear, with a low around 38.

Sunday

Sunny, with a high near 64.