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

Hazardous Weather Conditions

Current conditions at

Meridian, Key Field (KMEI)

Lat: 32.34°NLon: 88.75°WElev: 295ft.

Mostly Cloudy

97°F

36°C

Humidity 48%
Wind Speed W 8 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 14 Aug 2:58 pm CDT
Extended Forecast for

Collinsville MS

Heat Advisory August 14, 03:36pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 03:36pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind becoming west southwest around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 106. West northwest wind around 5 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Calm wind becoming west southwest around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. West wind around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. West wind around 5 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. West southwest wind around 5 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 107. West southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 75. Calm wind becoming west southwest around 5 mph.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 106. West northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 76. Calm wind becoming west southwest around 5 mph.
Sunday
Sunny and hot, with a high near 99. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 77. Calm wind becoming west southwest around 5 mph after midnight.
Monday
Sunny and hot, with a high near 98. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 76. West southwest wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. West wind around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville MS
 32.49°N 88.85°W
Last Update:
3:15 pm CDT Aug 14, 2026
Forecast Valid:
3pm CDT Aug 14, 2026-6pm CDT Aug 20, 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