Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from August 18, 02:30 PM MDT until August 18, 09:00 PM MDT

Current conditions at

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

61°F

16°C

Humidity	44%
Wind Speed	NA 4 MPH
Barometer	30.33 in (1027.09 mb)
Dewpoint	39°F (4°C)
Visibility	NA
Last update	18 Aug 03:56 PM MDT

More Information:

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

Extended Forecast for

21 Miles ESE Lake WY

Severe T-storm Watch until August 18, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 18, 09:00pm
NOW until 9:00pm Tue
Severe T-storm Watch
This Afternoon
High: 63 °F
Severe
Thunderstorms
and Breezy
Tonight
Low: 42 °F
Severe
Thunderstorms
then Mostly
Clear
Wednesday
High: 67 °F
Sunny then
Sunny and
Breezy
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 48 °F
Partly Cloudy
Friday
High: 74 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 50 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Partly sunny, with a high near 63. Breezy, with a west wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Tonight

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Some of the storms could be severe. Partly cloudy, with a low around 42. West wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

Wednesday

Sunny, with a high near 67. Breezy, with a west wind 8 to 15 mph, with gusts as high as 21 mph.

Wednesday Night

Mostly clear, with a low around 44. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.

Thursday

Sunny, with a high near 73. Southwest wind 7 to 14 mph, with gusts as high as 26 mph.

Thursday Night

Partly cloudy, with a low around 48. West wind 7 to 13 mph becoming south in the evening. Winds could gust as high as 24 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. South southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

Saturday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 66. Breezy.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.