Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

68°F

20°C

Humidity	38%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	14 Jul 12:15 AM MDT

More Information:

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

Extended Forecast for

17 Miles SE Big Sky MT

Overnight
Low: 52 °F
Mostly Clear
Monday
High: 79 °F
Sunny then
Scattered
T-storms
Monday Night
Low: 50 °F
Scattered
Showers then
Partly Cloudy
Tuesday
High: 67 °F
Mostly Sunny
then Showers
Tuesday Night
Low: 44 °F
Showers
Likely then
Chance
Showers
Wednesday
High: 64 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 72 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 47 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 52. Light and variable wind.

Monday

Scattered showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 79. Light southwest wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 30%.

Monday Night

Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming light and variable. Chance of precipitation is 30%.

Tuesday

Showers and possibly a thunderstorm after noon. High near 67. Light northeast wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 44. North northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. North wind 6 to 9 mph. Chance of precipitation is 40%.

Wednesday Night

Mostly clear, with a low around 44. North wind 6 to 8 mph becoming east southeast after midnight.

Thursday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 72.

Thursday Night

Mostly clear, with a low around 47.

Friday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 75.

Friday Night

Mostly clear, with a low around 49.

Saturday

A slight chance of showers and thunderstorms. Sunny, with a high near 75.