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

76°F

24°C

Humidity 47%
Wind Speed S 8 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 May 10:53 am CDT
Extended Forecast for

Altha FL

  • Today

    Today: Mostly sunny, with a high near 84. South wind around 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Southwest wind 5 to 15 mph.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. South southwest wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 84. South wind around 10 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 61. South wind 5 to 10 mph.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Southwest wind 5 to 15 mph.
Wednesday Night
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. South southwest wind 5 to 10 mph.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altha FL
 30.58°N 85.12°W (Elev. 233 ft)
Last Update:
11:15 am CDT May 5, 2026
Forecast Valid:
11am CDT May 5, 2026-6pm CDT May 11, 2026
 
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