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.

Fair

95°F

35°C

Humidity 47%
Wind Speed NE 9 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 18 Aug 4:58 pm CDT
Extended Forecast for

Collinsville MS

Heat Advisory August 19, 10:00am until August 19, 08:00pm
Heat Advisory August 18, 06:00pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 18, 06:00pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. East wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Calm wind.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collinsville MS
 32.49°N 88.85°W
Last Update:
5:15 pm CDT Aug 18, 2025
Forecast Valid:
6pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
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