Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. 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

DW7095 Clark (D7095)

Lat: 44.90317°NLon: 109.17183°WElev: 4271.06ft.

70°F

21°C

Humidity	55%
Wind Speed	WNW 3 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	53°F (12°C)
Visibility	NA
Last update	18 Aug 07:00 PM MDT

More Information:

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

Extended Forecast for

21 Miles W Ralston WY

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

Click here for hazard details and duration

...

Severe T-storm Watch until August 18, 09:00pm
NOW until 9:00pm Tue
Severe T-storm Watch
Tonight
Low: 53 °F
Severe
Thunderstorms
then Mostly
Clear and
Breezy
Wednesday
High: 72 °F
Sunny and
Breezy then
Sunny
Wednesday Night
Low: 56 °F
Mostly Clear
then Mostly
Clear and
Breezy
Thursday
High: 76 °F
Sunny and
Breezy then
Sunny
Thursday Night
Low: 60 °F
Slight Chance
T-storms then
Partly Cloudy
and Breezy
Friday
High: 74 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 62 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday
High: 74 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Breezy, with a northwest wind 9 to 16 mph becoming west southwest in the evening. Winds could gust as high as 23 mph.

Wednesday

Sunny, with a high near 72. Breezy, with a west wind 7 to 16 mph becoming east northeast in the afternoon. Winds could gust as high as 23 mph.

Wednesday Night

Mostly clear, with a low around 56. Breezy, with an east northeast wind 6 to 16 mph becoming west in the evening.

Thursday

Sunny, with a high near 76. Breezy, with a west wind 6 to 16 mph becoming east southeast in the afternoon.

Thursday Night

A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 60. Breezy, with a northeast wind 8 to 15 mph becoming west southwest in the evening.

Friday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. West wind 6 to 14 mph becoming east in the morning.

Friday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 20%.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. Breezy.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

Sunday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.

Monday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 71.