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

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in (1016.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Jul 5:53 am CDT
Extended Forecast for

4 Miles ENE Altha FL

Heat Advisory July 31, 11:00am until July 31, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 110. Light south wind becoming southwest 5 to 10 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southwest wind 5 to 10 mph becoming light after midnight.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Showers and thunderstorms, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 94. Heat index values as high as 110. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 75. West wind 5 to 10 mph becoming light southwest in the evening. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly after 1pm. High near 90. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 86. Chance of precipitation is 90%.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 85. Chance of precipitation is 90%.

    High: 85 °F

    Showers
    Likely then
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 110. Light south wind becoming southwest 5 to 10 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southwest wind 5 to 10 mph becoming light after midnight.
Friday
Showers and thunderstorms, mainly between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 94. Heat index values as high as 110. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 75. West wind 5 to 10 mph becoming light southwest in the evening. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms, mainly after 1pm. High near 90. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 86. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Monday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 85. Chance of precipitation is 90%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Tuesday
Showers and thunderstorms. High near 88. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
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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:
5:15 am CDT Jul 31, 2025
Forecast Valid:
6am CDT Jul 31, 2025-6pm CDT Aug 6, 2025
 
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