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

Hazardous Weather Conditions

Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Fair

82°F

28°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.05 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Aug 1:35 am EDT
Extended Forecast for

Stuart FL

Heat Advisory August 17, 10:00am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 105. Southwest wind around 5 mph becoming east southeast in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 10pm and midnight. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Heat index values as high as 103. West wind 5 to 10 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. West wind around 5 mph.

    Low: 79 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind around 5 mph becoming northeast in the afternoon.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South wind around 5 mph.
Monday
Sunny, with a high near 92. Heat index values as high as 105. Southwest wind around 5 mph becoming east southeast in the afternoon.
Monday Night
A slight chance of showers and thunderstorms between 10pm and midnight. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Heat index values as high as 103. West wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. West wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind around 5 mph becoming northeast in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90. South southwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stuart FL
 27.19°N 80.27°W (Elev. 3 ft)
Last Update:
1:39 am EDT Aug 17, 2026
Forecast Valid:
1am EDT Aug 17, 2026-6pm EDT Aug 23, 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