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

Marianna Municipal Airport (KMAI)

Lat: 30.84°NLon: 85.18°WElev: 105ft.

Fair

86°F

30°C

Humidity 57%
Wind Speed Calm
Barometer 29.99 in (1015.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Aug 11:53 am CDT
Extended Forecast for

5 Miles SSW Altha FL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 90. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 90. Heat index values as high as 105. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Altha FL
 30.51°N 85.15°W (Elev. 75 ft)
Last Update:
11:15 am CDT Aug 27, 2026
Forecast Valid:
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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