Weather in Mc Lain, MS
Updated 2026-09-26 09:00 local time · ZIP codes 39456

Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
73°8% rain
78°9% rain
82°2% rain
84°1% rain
86°10% rain
87°1% rain
88°1% rain
88°3% rain
87°5% rain
84°11% rain
78°13% rain
76°14% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 75°F with winds near 3 mph.
73°F, 8% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 6 mph.
Current temperature is 73°F, wind 3 mph, rain chance up to 14%.
UV index is 2.
Local weather characteristics in Mc Lain
Mississippi has a humid subtropical climate with long hot summers, mild winters, frequent heavy rain and a notable severe-weather season.
Mc Lain is part of the South weather region. The forecast point is near 31.10°N latitude and 88.83°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Mc Lain weather today
Partly Cloudy and 73°F in Mc Lain, MS. Today's high is 88°F with a 9% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 64%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Mc Lain
Sunrise is at 06:46 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Sunny with a high near 91°F and a low near 69°F. The maximum rain chance is 6%.