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

Meridian, Key Field (KMEI)

Lat: 32.34°NLon: 88.75°WElev: 295ft.

Fair

83°F

28°C

Humidity 77%
Wind Speed SW 3 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 22 Aug 7:58 pm CDT
Extended Forecast for

Collinsville MS

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers between noon and 1pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming north around 5 mph in the afternoon.

    High: 97 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 4am. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Southwest wind around 5 mph.

    High: 94 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. West southwest wind around 5 mph.

    High: 95 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 73. Calm wind.
Sunday
A 20 percent chance of showers between noon and 1pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers after 4am. Mostly clear, with a low around 73. Calm wind.
Monday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Southwest wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. West southwest wind around 5 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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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:
7:15 pm CDT Aug 22, 2026
Forecast Valid:
8pm CDT Aug 22, 2026-6pm CDT Aug 29, 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