National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

Natchitoches, Natchitoches Regional Airport (KIER)

Lat: 31.74°NLon: 93.1°WElev: 121ft.

Fair

78°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 4:55 am CDT
Extended Forecast for

5 Miles NE Many LA

Heat Advisory August 20, 05:14am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 20, 05:14am until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Calm wind.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Sunday

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

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming west around 5 mph.
Tonight
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 77. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Calm wind.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Many LA
 31.6°N 93.4°W (Elev. 344 ft)
Last Update:
2:15 am CDT Aug 20, 2026
Forecast Valid:
5am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation