Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300ft.

59°F

15°C

Humidity	56%
Wind Speed	S 8 MPH
Barometer	1008.47 mb
Dewpoint	43°F (6°C)
Visibility	NA
Last update	03 Aug 07:15 AM MDT

More Information:

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

Extended Forecast for

14 Miles NW Mount Holmes WY

Today

Chance
T-storms
High: 81 °F
Tonight

Chance
T-storms
Low: 48 °F
Tuesday

Sunny then
Slight Chance
T-storms
High: 74 °F
Tuesday
Night

Mostly Clear
Low: 48 °F
Wednesday

Sunny then
Slight Chance
T-storms
High: 78 °F
Wednesday
Night

Partly Cloudy
Low: 49 °F
Thursday

Mostly Sunny
then Chance
T-storms
High: 77 °F
Thursday
Night

Slight Chance
Showers then
Mostly Clear
Low: 49 °F
Friday

Sunny then
Chance
T-storms
High: 73 °F

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Some of the storms could produce gusty winds. Mostly sunny, with a high near 81. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 11pm. Some of the storms could produce gusty winds. Partly cloudy, with a low around 48. West wind 6 to 11 mph becoming north after midnight.

Tuesday

A 20 percent chance of showers and thunderstorms after 3pm. Some of the storms could produce gusty winds. Sunny, with a high near 74. North wind 3 to 6 mph.

Tuesday Night

Mostly clear, with a low around 48. North wind around 6 mph becoming calm in the evening.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 78. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 49. West southwest wind around 5 mph becoming light and variable in the evening.

Thursday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 25 mph.

Thursday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 49.

Friday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.

Friday Night

Partly cloudy, with a low around 45.

Saturday

A slight chance of showers and thunderstorms. Sunny, with a high near 73.

Saturday Night

Partly cloudy, with a low around 46.

Sunday

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