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

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 29.89 in (1011.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 22 Aug 3:53 am CDT
Extended Forecast for

6 Miles WNW Altha FL

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Patchy Fog

  • Friday

    Friday: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Patchy fog before 8am. High near 90. Heat index values as high as 102. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Isolated
    T-storms and
    Patchy Fog
    then Heavy
    Rain

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 1am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    T-storms
    Likely then
    Isolated
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. High near 86. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 80%.

    High: 86 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

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

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 73. Calm wind.
Friday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Patchy fog before 8am. High near 90. Heat index values as high as 102. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 1am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. High near 86. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Calm wind.
Sunday
A chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Altha FL
 30.63°N 85.22°W (Elev. 295 ft)
Last Update:
3:15 am CDT Aug 22, 2025
Forecast Valid:
3am CDT Aug 22, 2025-6pm CDT Aug 28, 2025
 
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