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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Iuka Airport (K15M)

Lat: 34.77°NLon: 88.17°WElev: 626ft.

A Few Clouds

95°F

35°C

Humidity 41%
Wind Speed NE 7 mph
Barometer 30.24 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Sep 1:35 pm CDT
Extended Forecast for

4 Miles E Dennis MS

Heat Advisory September 17, 01:42pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 01:42pm until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming north around 5 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 101. Calm wind becoming northeast around 5 mph.
Tonight
Mostly clear, with a low around 71. Calm wind.
Friday
Increasing clouds and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around 72. Calm wind.
Saturday
Sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny and hot, with a high near 98.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Dennis MS
 34.56°N 88.11°W (Elev. 489 ft)
Last Update:
1:29 pm CDT Sep 17, 2026
Forecast Valid:
1pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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