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.

45°F

7°C

Humidity	78%
Wind Speed	SSE 3 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	29 Jun 02:15 PM MDT

More Information:

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

Extended Forecast for

4 Miles SW Mammoth Hot Springs WY

This Afternoon
High: 46 °F
Showers and
Breezy
Tonight
Low: 36 °F
Chance
Showers and
Breezy
Tuesday
High: 58 °F
Areas Frost
then Mostly
Sunny
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 63 °F
Sunny then
Slight Chance
T-storms and
Breezy
Wednesday Night
Low: 38 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 66 °F
Sunny then
Slight Chance
T-storms and
Breezy
Thursday Night
Low: 41 °F
Slight Chance
T-storms then
Mostly Cloudy
Friday
High: 66 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 46. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

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 south southwest wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Tuesday

Areas of frost before 7am. Otherwise, partly sunny, with a high near 58. Southwest wind 7 to 13 mph.

Tuesday Night

Partly cloudy, with a low around 36. South southwest wind 5 to 13 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 63. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 30 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38. Southwest wind 6 to 14 mph becoming south southeast after midnight. Winds could gust as high as 29 mph.

Thursday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Breezy, with a south southeast wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 31 mph.

Thursday Night

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

Friday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66.

Friday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.

Independence Day

Sunny, with a high near 69.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Sunny, with a high near 74.