Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. 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.

78°F

26°C

Humidity	24%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	14 Jul 07:15 PM MDT

More Information:

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

Extended Forecast for

14 Miles NW Mount Holmes WY

Tonight
Low: 48 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 70 °F
Slight Chance
T-storms then
Showers
Tuesday Night
Low: 43 °F
Showers then
Chance
Showers
Wednesday
High: 66 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 74 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 47 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 75 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. West southwest wind around 6 mph becoming calm after midnight.

Tuesday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 70. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 43. North wind 5 to 8 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 66. North wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 30%.

Wednesday Night

Mostly clear, with a low around 45. Northwest wind 5 to 7 mph becoming calm in the evening.

Thursday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 74. Light and variable wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 25 mph.

Thursday Night

A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 47. West wind 5 to 8 mph becoming light and variable after midnight.

Friday

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

Friday Night

Partly cloudy, with a low around 48.

Saturday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 76.

Saturday Night

Partly cloudy, with a low around 48.

Sunday

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

Sunday Night

Partly cloudy, with a low around 48.