Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Heat Advisory until August 20, 08:00 PM CDT

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

87°F

31°C

Humidity	54%
Wind Speed	SE 5 mph
Barometer	29.89 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	19 Aug 9:10 pm CDT

More Information:

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

Extended Forecast for

Mount Vernon TX

Heat Advisory August 19, 09:36pm until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 19, 09:36pm until August 20, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
Tonight
Low: 80 °F
Mostly Clear
Thursday
High: 105 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 78 °F
Slight Chance
T-storms
Friday
High: 104 °F
Hot
Friday Night
Low: 76 °F
Mostly Clear
Saturday
High: 102 °F
Hot
Saturday Night
Low: 76 °F
Partly Cloudy
Sunday
High: 103 °F
Hot

Detailed Forecast

Tonight

Mostly clear, with a low around 80. South wind 5 to 10 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 105. Heat index values as high as 110. Southwest wind 5 to 10 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming southeast in the evening.

Friday

Sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph becoming north in the afternoon.

Friday Night

Mostly clear, with a low around 76. Southeast wind around 5 mph.

Saturday

Sunny and hot, with a high near 102.

Saturday Night

Partly cloudy, with a low around 76.

Sunday

Sunny and hot, with a high near 103.

Sunday Night

Mostly clear, with a low around 78.