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 >

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Mostly Cloudy

79°F

26°C

Humidity NA
Wind Speed Calm
Barometer 30.03 in (1016.8 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 19 Aug 5:56 am CDT
Extended Forecast for

3 Miles W Patterson LA

Heat Advisory August 19, 12:00pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny, with a high near 93. Heat index values as high as 109. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 109. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 95. West wind around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 93. Heat index values as high as 109. Light west wind becoming southwest 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Heat index values as high as 109. Light west wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph.
Friday
Sunny, with a high near 95. Light west wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. West wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Patterson LA
 29.71°N 91.36°W
6:20 am CDT Aug 19, 2026
6am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database