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

82°F

28°C

Humidity 74%
Wind Speed E 3 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Sep 9:53 am CDT
Extended Forecast for

Altha FL

  • Today

    Today: A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 90. East northeast wind around 5 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 7pm. Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Northeast wind around 5 mph.

    High: 91 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 90. East northeast wind around 5 mph.
Tonight
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 72. South wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 85.
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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:
9:15 am CDT Sep 21, 2026
Forecast Valid:
10am CDT Sep 21, 2026-6pm CDT Sep 27, 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