Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Natchitoches, Natchitoches Regional Airport (KIER)

Lat: 31.74°NLon: 93.1°WElev: 121ft.

Fair

83°F

28°C

Humidity 70%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Aug 1:15 am CDT
Extended Forecast for

Zwolle LA

Heat Advisory August 18, 01:35am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 01:35am until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming southwest around 5 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind.
Tuesday Night
Mostly clear, with a low around 78. Calm wind.
Wednesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 77. Calm wind.
Thursday
Mostly sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Zwolle LA
 31.63°N 93.64°W (Elev. 177 ft)
1:25 am CDT Aug 18, 2026
1am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database