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.

42°F

6°C

Humidity	78%
Wind Speed	S 5 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	29 Jun 12:15 PM MDT

More Information:

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

Extended Forecast for

3 Miles W Mammoth Hot Springs WY

This Afternoon
High: 44 °F
Rain/Snow and
Breezy
Tonight
Low: 36 °F
Chance
Showers and
Breezy
Tuesday
High: 56 °F
Areas Frost
then Mostly
Sunny
Tuesday Night
Low: 36 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 61 °F
Sunny then
Slight Chance
T-storms and
Breezy
Wednesday Night
Low: 38 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 64 °F
Sunny then
Slight Chance
T-storms and
Breezy
Thursday Night
Low: 41 °F
Slight Chance
T-storms then
Mostly Cloudy
Friday
High: 64 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

Rain, possibly mixed with snow showers, becoming all rain after 2pm. Some thunder is also possible. Snow level 8700 feet rising to 9700 feet. High near 44. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A chance of showers and thunderstorms before 9pm, then a slight chance of showers. Mostly cloudy, with a low around 36. Breezy, with a southwest wind 6 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Tuesday

Areas of frost before 8am. Otherwise, partly sunny, with a high near 56. Southwest wind 6 to 13 mph.

Tuesday Night

A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 36. South southwest wind 5 to 11 mph. Chance of precipitation is 10%.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 61. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 31 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38. Southwest wind 5 to 13 mph, with gusts as high as 30 mph.

Thursday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Breezy, with a southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

Thursday Night

A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.

Friday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.

Friday Night

A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.

Independence Day

Sunny, with a high near 67.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Sunny, with a high near 72.