Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Yellowstone Lake (KP60)

Lat: 44.54444° N Lon: 110.42111° W Elev: 7835.0 ft.

59°F

15°C

Humidity	38%
Wind Speed	N 0 MPH
Barometer	30.29 in (1025.74 mb)
Dewpoint	34°F (1°C)
Visibility	NA
Last update	11 Aug 09:56 PM MDT

More Information:

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

Detailed forecast for

Yellowstone National Park

Tonight

Mostly cloudy. Smoke. Lows around 50. West winds around 10 mph with gusts up to 20 mph, becoming south after midnight.

Wednesday

Mostly cloudy. Smoke in the morning, then areas of smoke in the afternoon. Highs in the lower 70s. Southwest winds around 10 mph with gusts up to 20 mph.

Wednesday Night

Mostly cloudy. Scattered showers with isolated thunderstorms in the evening. Areas of smoke in the evening. Lows in the mid 40s. East winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 40 percent.

Thursday

Mostly cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 80 percent.

Thursday Night

Showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 40s. Chance of rain 90 percent.

Friday

Showers likely with a slight chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the lower 60s. Chance of rain 90 percent.

Friday Night

Mostly cloudy. Rain showers with a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows around 40. Chance of rain 80 percent.

Saturday

Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the morning, then partly cloudy with rain showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 60 percent.

Saturday Night

Partly cloudy. A chance of rain showers and thunderstorms in the evening. Lows around 40. Chance of rain 30 percent.

Sunday

Mostly sunny. A slight chance of. Highs in the upper 60s.

Sunday Night

Partly cloudy. Lows in the lower 40s.

Monday

Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.

Monday Night

Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers. Lows in the mid 40s. Chance of rain 20 percent.

Tuesday

Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.