Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

49°F

9°C

Humidity	66%
Wind Speed	SSW 5 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	47°F (8°C)
Last update	18 Jun 06:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth Hot Springs WY

Today
High: 77 °F
Sunny
Tonight
Low: 46 °F
Mostly Clear
Juneteenth
High: 83 °F
Sunny then
Sunny and
Breezy
Thursday Night
Low: 51 °F
Chance
Showers and
Breezy
Friday
High: 79 °F
Slight Chance
Showers then
Chance
T-storms and
Breezy
Friday Night
Low: 47 °F
Slight Chance
Showers and
Breezy
Saturday
High: 71 °F
Sunny then
Slight Chance
Showers and
Breezy
Saturday Night
Low: 38 °F
Chance
Showers and
Breezy
Sunday
High: 60 °F
Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 77. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Tonight

Mostly clear, with a low around 46. South southwest wind 5 to 14 mph, with gusts as high as 20 mph.

Juneteenth

Sunny, with a high near 83. Breezy, with a southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Breezy, with a southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 30%.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Breezy, with a southeast wind 5 to 10 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.

Friday Night

A 20 percent chance of showers. Partly cloudy, with a low around 47. Breezy, with a south wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 33 mph.

Saturday

A 20 percent chance of showers after noon. Sunny, with a high near 71. Breezy, with a southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

Saturday Night

A 40 percent chance of showers. Snow level 9000 feet lowering to 7100 feet after midnight . Partly cloudy, with a low around 38. Breezy.

Sunday

A chance of showers, with thunderstorms also possible after noon. Snow level 7000 feet rising to 8400 feet in the afternoon. Mostly sunny, with a high near 60. Chance of precipitation is 50%.

Sunday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 35.

Monday

A slight chance of showers and thunderstorms. Sunny, with a high near 68.

Monday Night

Partly cloudy, with a low around 39.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 73.