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Hazardous Weather Conditions

Current conditions at

Marianna Municipal Airport (KMAI)

Lat: 30.84°NLon: 85.18°WElev: 105ft.

Fair

92°F

33°C

Humidity 58%
Wind Speed NA
Barometer 29.98 in (1015.0 mb)
Dewpoint 75°F (24°C)
Visibility NA
Heat Index103°F (39°C)
Last update 19 Aug 12:53 pm CDT
Extended Forecast for

4 Miles WSW Altha FL

Heat Advisory until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Decreasing
    Clouds

  • Friday

    Friday: Showers and thunderstorms likely after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 95 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Heat index values as high as 112. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Altha FL
 30.56°N 85.2°W (Elev. 72 ft)
Last Update:
1:21 pm CDT Aug 19, 2026
Forecast Valid:
1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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