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McNair, Mississippi Weather Forecast
McNair, Mississippi Weather
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Weather Forecast for McNair, Mississippi : Covington County
Issued: 4:15 am CST Dec 16, 2025 Latitude: 31.7659963 Longitude: -89.6875727 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Sunny on Today Mostly Cloudy on Tonight 20% chance of rain on Wednesday 70% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday
High: 56°F Low: 39°F High: 63°F High: 71°F High: 56°F High: 68°F High: 73°F High: 71°F
Low: 51°F Low: 37°F Low: 36°F Low: 56°F Low: 55°F  
Mostly Sunny Mostly Cloudy Rain Thunderstorms Sunny Sunny Partly Sunny Partly Sunny
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Current Conditions at
LAUREL-HATIESBURG - (KPIB)
25°
Clear
as of 3:56 AM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HATTIESBURG - (KHBG)
27°
Clear
as of 3:53 AM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
JACKSON INTERNATIONAL - (KJAN)
27°
Clear
as of 3:54 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Mostly Sunny on Today Today... Widespread frost before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming south around 5 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 39. Calm wind.
20% chance of rain Wednesday Wednesday... A 20 percent chance of showers before noon. Mostly cloudy, with a high near 63. Calm wind becoming southeast around 5 mph.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 51. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 30%.
70% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
50% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 37. West southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunny on Friday Friday... Sunny, with a high near 56. North wind around 5 mph becoming calm in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 36. Calm wind becoming south southeast around 5 mph.
Sunny on Saturday Saturday... Sunny, with a high near 68. South wind around 5 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 56.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 73.
20% chance of rain Sunday Night Sunday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Partly Sunny on Monday Monday... Partly sunny, with a high near 71.
Sun Almanac for McNair, Mississippi
Sunrise: 06:52 AM
Sunset: 4:57 PM
Civil Sunrise:06:25 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:24 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.