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

Natchitoches, Natchitoches Regional Airport (KIER)

Lat: 31.74°NLon: 93.1°WElev: 121ft.

Fair

82°F

28°C

Humidity 79%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 19 Aug 1:55 am CDT
Extended Forecast for

Montgomery LA

Heat Advisory August 19, 02:03am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 02:03am until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Overnight

    Low: 77 °F

    Partly Cloudy

  • 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 in the morning.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind around 5 mph becoming calm.

    High: 100 °F

    Hot

  • Thursday Night

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

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 77. Calm wind.
Friday
Sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 102.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Montgomery LA
 31.67°N 92.89°W (Elev. 131 ft)
1:40 am CDT Aug 19, 2026
2am CDT Aug 19, 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