Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. 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.

58°F

14°C

Humidity	61%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	20 Jun 02:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Overnight
Low: 52 °F
Slight Chance
Showers
Friday
High: 78 °F
Showers
Likely then
Chance
T-storms and
Breezy
Friday Night
Low: 43 °F
Chance
T-storms and
Breezy then
Chance
Showers
Saturday
High: 66 °F
Chance
Showers and
Breezy
Saturday Night
Low: 40 °F
Chance
Showers then
Showers
Likely
Sunday
High: 56 °F
Showers
Sunday Night
Low: 34 °F
Chance
Showers then
Partly Cloudy
Monday
High: 67 °F
Sunny
Monday Night
Low: 39 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers. Partly cloudy, with a low around 52. West northwest wind 3 to 5 mph.

Friday

Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 78. Breezy, with a west northwest wind 5 to 10 mph becoming south southwest 17 to 22 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 60%.

Friday Night

A chance of showers and thunderstorms. Increasing clouds, with a low around 43. Breezy, with a southwest wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 66. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

Saturday Night

Showers likely, mainly after midnight. Mostly cloudy, with a low around 40. West southwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

Sunday

Showers likely, then showers and possibly a thunderstorm after noon. High near 56. Southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 34. West wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 30%.

Monday

Sunny, with a high near 67.

Monday Night

Partly cloudy, with a low around 39.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

Tuesday Night

Partly cloudy, with a low around 43.

Wednesday

A chance of showers and thunderstorms. Sunny, with a high near 77.

Wednesday Night

Partly cloudy, with a low around 46.