Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies and Central Plains into the Upper Midwest

Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

61°F

16°C

Humidity	45%
Wind Speed	E 9 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	24 Jun 08:15 PM MDT

More Information:

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

Extended Forecast for

2 Miles S Mammoth Hot Springs WY

Tonight
Low: 37 °F
Mostly Clear
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 41 °F
Partly Cloudy
Thursday
High: 71 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Thursday Night
Low: 44 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Friday
High: 71 °F
Mostly Sunny
then Slight
Chance
T-storms and
Breezy
Friday Night
Low: 45 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 71 °F
Sunny then
Chance
T-storms and
Breezy
Saturday Night
Low: 43 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 37. Light and variable wind becoming south southwest around 6 mph in the evening.

Wednesday

Sunny, with a high near 68. Southwest wind 5 to 11 mph.

Wednesday Night

Partly cloudy, with a low around 41. South wind 6 to 10 mph.

Thursday

Mostly sunny, with a high near 71. Breezy, with a southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

Thursday Night

Partly cloudy, with a low around 44. Breezy, with a south wind 6 to 15 mph, with gusts as high as 28 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Breezy, with a west southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. South southwest wind 5 to 13 mph, with gusts as high as 25 mph.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 71. Breezy.

Saturday Night

Partly cloudy, with a low around 43.

Sunday

Sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 45.

Monday

Sunny, with a high near 78.

Monday Night

Partly cloudy, with a low around 47.