Severe Thunderstorms in the Northeast and Northern Plains; Critical Fire Weather in the West

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota today. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula today. Critical fire weather conditions will persist today over parts of the interior Northwest and Great Basin. 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.

69°F

21°C

Humidity	37%
Wind Speed	NNW 13 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	03 Jul 06:15 PM MDT

More Information:

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

Extended Forecast for

Mammoth Hot Springs WY

Tonight
Low: 52 °F
Scattered
T-storms then
Mostly Cloudy
Independence Day
High: 74 °F
Scattered
T-storms then
T-storms
Likely and
Breezy
Friday Night
Low: 48 °F
Scattered
T-storms then
Mostly Clear
Saturday
High: 76 °F
Slight Chance
Showers then
Showers
Likely
Saturday Night
Low: 46 °F
Slight Chance
T-storms then
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 49 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 52. West northwest wind 5 to 9 mph becoming south southeast after midnight. Chance of precipitation is 40%.

Independence Day

Showers and thunderstorms likely, mainly between 1pm and 2pm. Partly sunny, with a high near 74. Breezy, with a south southwest wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Scattered showers and thunderstorms before midnight. Partly cloudy, with a low around 48. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

Saturday

A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 76. South southeast wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Saturday Night

A 10 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 46. West northwest wind 5 to 10 mph becoming light and variable in the evening.

Sunday

Sunny, with a high near 80. Light and variable wind becoming west 5 to 9 mph in the morning.

Sunday Night

Mostly clear, with a low around 49. West wind 5 to 8 mph becoming light and variable after midnight.

Monday

Sunny, with a high near 86.

Monday Night

Mostly clear, with a low around 52.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Partly cloudy, with a low around 54.