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

Heavy Rain Threat Along Central Gulf Coast; Severe Weather Possible Across Upper Midwest

Heavy rainfall remains likely along the central Gulf Coast through Friday, from southeast Louisiana to the Florida Panhandle. This rainfall may be excessive and produce flash flooding across the saturated region. Meanwhile, a strong cold front will push into the Upper Midwest and may trigger severe thunderstorms today. These storms may contain hail and damaging winds from Minnesota to Nebraska. Read More >

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Mostly Cloudy

86°F

30°C

Humidity 70%
Wind Speed E 10 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 16 Sep 11:56 am EDT
Extended Forecast for

Saint Augustine FL

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rain. Temperature falling to around 82 by 5pm. Southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 87 °F⇓

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Some of the storms could produce heavy rain. Low around 75. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 75 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Calm wind becoming east 5 to 9 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 76. East wind 5 to 9 mph becoming southwest after midnight.

    Chance
    T-storms then
    Chance
    Showers

    Low: 76 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    Showers

    Low: 75 °F

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    Showers
    Likely

    High: 84 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.

    Chance
    T-storms

    Low: 76 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    Showers
    Likely

    High: 84 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rain. Temperature falling to around 82 by 5pm. Southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Some of the storms could produce heavy rain. Low around 75. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Calm wind becoming east 5 to 9 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 76. East wind 5 to 9 mph becoming southwest after midnight.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Augustine FL
 29.9°N 81.3°W
Last Update:
11:56 am EDT Sep 16, 2021
Forecast Valid:
12pm EDT Sep 16, 2021-6pm EDT Sep 22, 2021
 
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Additional Resources

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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