Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Thunderstorm in Vicinity Light Rain

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Heat Index83°F (28°C)
Last update 20 Jul 6:47 pm EDT
Extended Forecast for

Port St. Lucie FL

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 10pm.  Mostly cloudy, with a low around 73. South southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    T-storms
    Likely then
    Partly Cloudy

    Low: 73 °F

  • Friday

    Friday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 90. South southeast wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Partly Sunny
    then T-storms
    Likely

    High: 90 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 73 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 89. Light south wind becoming south southeast 5 to 10 mph in the morning.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 89 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 73. South wind 5 to 10 mph.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 73 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 91. South wind around 5 mph.

    Partly Sunny
    then Chance
    T-storms

    High: 91 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 76 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. South southeast wind around 5 mph.

    Chance
    T-storms

    High: 91 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 77 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 10pm. Mostly cloudy, with a low around 73. South southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 90. South southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Light south wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 73. South wind 5 to 10 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. South wind around 5 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southeast wind around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South southwest wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 91. South wind around 5 mph. Chance of precipitation is 60%.
Click Map For Forecast
Point Forecast:
Port St. Lucie FL
 27.27°N 80.36°W (Elev. 16 ft)
6:15 pm EDT Jul 20, 2017
7pm EDT Jul 20, 2017-6pm EDT Jul 27, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database