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.

Thunderstorm

79°F

26°C

Humidity 74%
Wind Speed E 6 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 70°F (21°C)
Visibility NA
Heat Index82°F (28°C)
Last update 19 Aug 4:53 pm CDT
Extended Forecast for

3 Miles SSW Sneads FL

Heat Advisory August 20, 10:00am until August 20, 07:00pm
Heat Advisory August 19, 05:11pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 19, 05:11pm until August 19, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Sunny and hot, with a high near 99. Heat index values as high as 113. Calm wind becoming northwest around 5 mph.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely after 1pm. Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 97 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.

    High: 94 °F

    Mostly Sunny
    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 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 93. Heat index values as high as 109. West southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Sunny and hot, with a high near 99. Heat index values as high as 113. Calm wind becoming northwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely after 1pm. Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 94. 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 and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Sneads FL
 30.66°N 84.95°W (Elev. 98 ft)
Last Update:
4:15 pm CDT Aug 19, 2026
Forecast Valid:
5pm CDT Aug 19, 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