Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

Flood Watch until July 23, 06:00 AM MDT

Current conditions at

Yellowstone Lake (KP60)

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

73°F

23°C

Humidity	42%
Wind Speed	N 0 MPH
Barometer	30.39 in (1029.12 mb)
Dewpoint	49°F (9°C)
Visibility	NA
Last update	21 Jul 01:56 PM MDT

More Information:

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

Detailed forecast for

Yellowstone National Park

This Afternoon

Partly cloudy with scattered showers and thunderstorms. Patchy smoke. Some thunderstorms may produce heavy rainfall. Highs in the upper 70s. Northwest winds around 10 mph. Chance of rain 30 percent.

Tonight

Mostly cloudy with numerous showers and scattered thunderstorms in the evening, then partly cloudy with scattered showers after midnight. Patchy smoke. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 50s. East winds around 10 mph with gusts up to 25 mph in the evening. Chance of rain 60 percent.

Wednesday

Partly cloudy with scattered showers with isolated thunderstorms in the morning, then mostly cloudy with showers and numerous thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the mid 70s. Northwest winds around 10 mph in the afternoon. Chance of rain 80 percent.

Wednesday Night

Cloudy. Showers and scattered thunderstorms in the evening, then scattered showers with isolated thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows around 50. East winds around 10 mph in the evening. Chance of rain 80 percent.

Thursday

Partly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent.

Thursday Night

Partly cloudy in the evening, then clearing. Lows around 50.

Friday

Mostly sunny. Highs in the upper 70s.

Friday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

Saturday

Mostly sunny. A slight chance of. Highs around 80.

Saturday Night

Partly cloudy in the evening, then clearing. Lows in the lower 50s.

Sunday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.