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.

A Few Clouds

79°F

26°C

Humidity 94%
Wind Speed S 7 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Sep 8:53 am CDT
Extended Forecast for

4 Miles ENE Altha FL

  • Today

    Today: Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 89. Heat index values as high as 100. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming west northwest around 5 mph.

    High: 91 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Breezy.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 89. Heat index values as high as 100. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming west northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 90. Breezy.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Altha FL
 30.59°N 85.06°W (Elev. 171 ft)
Last Update:
8:15 am CDT Sep 12, 2026
Forecast Valid:
9am CDT Sep 12, 2026-6pm CDT Sep 18, 2026
 
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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