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

74°F

23°C

Humidity 94%
Wind Speed NE 8 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 29 Aug 4:53 am CDT
Extended Forecast for

Altha FL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 85. East wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 72. Calm wind becoming east around 5 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 103. East southeast wind around 5 mph. Chance of precipitation is 40%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 85. East wind around 5 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 72. Calm wind becoming east around 5 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 103. East southeast wind around 5 mph. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Altha FL
 30.58°N 85.12°W (Elev. 233 ft)
Last Update:
5:15 am CDT Aug 29, 2026
Forecast Valid:
5am CDT Aug 29, 2026-6pm CDT Sep 4, 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