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

73°F

23°C

Humidity 90%
Wind Speed Calm
Barometer 29.98 in (1014.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Sep 6:58 am CDT
Extended Forecast for

Collinsville MS

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming north around 5 mph in the morning.

    High: 97 °F

    Hot

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. North wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North northeast wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. North northeast wind 5 to 10 mph.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming north around 5 mph in the morning.
Tonight
Mostly clear, with a low around 72. Calm wind.
Monday
A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Calm wind becoming north northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 91. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 64. North northeast wind around 5 mph.
Thursday
Sunny, with a high near 87. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville MS
 32.49°N 88.82°W
Last Update:
7:15 am CDT Sep 20, 2026
Forecast Valid:
7am CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation