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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Natchitoches, Natchitoches Regional Airport (KIER)

Lat: 31.74°NLon: 93.1°WElev: 121ft.

Fair

102°F

39°C

Humidity 32%
Wind Speed W 3 mph
Barometer 29.97 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 22 Aug 3:15 pm CDT
Extended Forecast for

Montgomery LA

Heat Advisory August 22, 03:29pm until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 03:29pm until August 23, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 101. Heat index values as high as 110. Calm wind.

    High: 101 °F

    Hot

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 99. Calm wind becoming south around 5 mph.

    High: 99 °F

    Hot

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

  • Tuesday

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

    High: 100 °F

    Hot

  • Tuesday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind.
Tonight
Mostly clear, with a low around 76. Calm wind.
Sunday
Mostly sunny and hot, with a high near 101. Heat index values as high as 110. Calm wind.
Sunday Night
Mostly clear, with a low around 77. Calm wind.
Monday
Mostly sunny and hot, with a high near 99. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montgomery LA
 31.67°N 92.89°W (Elev. 131 ft)
Last Update:
1:37 pm CDT Aug 22, 2026
Forecast Valid:
3pm CDT Aug 22, 2026-6pm CDT Aug 28, 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