National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marianna Municipal Airport (KMAI)

Lat: 30.84°NLon: 85.18°WElev: 105ft.

Fair

95°F

35°C

Humidity 47%
Wind Speed SW 8 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 11 Aug 2:53 pm CDT
Extended Forecast for

3 Miles NNE Altha FL

Heat Advisory August 12, 12:00pm until August 12, 06:00pm
Heat Advisory August 11, 03:53pm until August 11, 06:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 11, 03:53pm until August 11, 06:00pm

    NOW until 6:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 95. Heat index values as high as 109. West wind around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. West wind around 5 mph becoming calm.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 109. West southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 76. Southwest wind around 5 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 95. Heat index values as high as 109. West wind around 5 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Southwest wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. West wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95.
Saturday Night
Mostly clear, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Sunday Night
Partly cloudy, with a low around 76.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Altha FL
 30.62°N 85.11°W (Elev. 144 ft)
Last Update:
3:15 pm CDT Aug 11, 2026
Forecast Valid:
3pm CDT Aug 11, 2026-6pm CDT Aug 17, 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