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

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1014.8 mb)
Dewpoint 72°F (22°C)
Visibility NA
Last update 20 Aug 12:53 am CDT
Extended Forecast for

5 Miles SSE Grand Ridge FL

Heat Advisory August 20, 10:00am until August 20, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 96. Heat index values as high as 112. West northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 96 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 93. Heat index values as high as 109. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 93 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Sunday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. Calm wind.
Thursday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 96. Heat index values as high as 112. West northwest wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Sunny, with a high near 93. Heat index values as high as 109. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Grand Ridge FL
 30.66°N 85°W (Elev. 148 ft)
Last Update:
1:21 am CDT Aug 20, 2026
Forecast Valid:
1am CDT Aug 20, 2026-6pm CDT Aug 26, 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