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.

Fair

83°F

28°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 83°F (28°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 18 Aug 7:56 pm CDT
Extended Forecast for

2 Miles NNE Patterson LA

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

    Tonight: Partly cloudy, with a low around 79. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Heat index values as high as 105. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Heat index values as high as 105. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Friday Night

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

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the morning.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 92. Heat index values as high as 105. Light west wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 93. Heat index values as high as 105. 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 becoming calm in the evening.
Friday
Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 95.
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
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Patterson LA
 29.73°N 91.3°W
6:45 pm CDT Aug 18, 2026
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database