Heavy Rain and Storms in the East; Fire Weather Threats in the West

A slow moving frontal system will bring strong to severe storms and locally heavy rain from the Northeast to the southern Plains. Meanwhile, Fire Weather threats remain elevated over the northern Inter-Mountain West, as Red Flag Warnings and Fire weather watches are in effect. Also, the potential for isolated dry thunderstorms remains possible across this portion of the West. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.97722°NLon: 110.69528°WElev: 6127ft.

83°F

28°C

Humidity	18%
Wind Speed	NNE 6 G 11 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	17 Aug 12:15 pm MDT

More Information:

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

Extended Forecast for

8 Miles W Mammoth Hot Springs WY

This
Afternoon

Scattered
Showers
High: 67 °F
Tonight

Scattered
Showers and
Breezy
Low: 45 °F
Saturday

Showers
Likely
High: 57 °F
Saturday
Night

Scattered
Showers
Low: 41 °F
Sunday

Isolated
Showers then
Isolated
T-storms
High: 60 °F
Sunday
Night

Isolated
T-storms then
Isolated
Showers
Low: 43 °F
Monday

Scattered
Showers
High: 61 °F
Monday
Night

Chance
T-storms then
Partly Cloudy
Low: 42 °F
Tuesday

Mostly Sunny
then Slight
Chance
T-storms
High: 66 °F

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Areas of smoke. Mostly cloudy, with a high near 67. West wind around 11 mph. Chance of precipitation is 30%.

Tonight

Scattered showers and thunderstorms. Some of the storms could produce small hail and gusty winds. Areas of smoke. Cloudy, with a low around 45. Breezy, with a northwest wind 9 to 15 mph becoming south southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers likely and possibly a thunderstorm. Some of the storms could produce small hail and gusty winds. Areas of smoke. Cloudy, with a high near 57. West southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Scattered showers and thunderstorms. Some of the storms could produce small hail and gusty winds. Areas of smoke. Mostly cloudy, with a low around 41. North wind 8 to 13 mph. Chance of precipitation is 40%.

Sunday

Isolated showers, with thunderstorms also possible after noon. Areas of smoke. Mostly cloudy, with a high near 60. North northeast wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 20%.

Sunday Night

Isolated showers and thunderstorms. Areas of smoke after midnight. Mostly cloudy, with a low around 43. Calm wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 20%.

Monday

Scattered showers, with thunderstorms also possible after noon. Areas of smoke. Cloudy, with a high near 61. Calm wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 50%.

Monday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.

Wednesday

A slight chance of showers and thunderstorms. Sunny, with a high near 66. Breezy.

Wednesday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 44. Breezy.

Thursday

Sunny, with a high near 65.