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

Heavy Rainfall and Flash Flood Threats Shift From Southern Plains to Lower Mississippi Valley; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will shift from the southern Plains into the Lower Mississippi Valley. Elevated to Critical Fire weather threats will linger through the weekend across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Fair

88°F

31°C

Humidity 59%
Wind Speed E 12 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 22 Sep 1:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind around 14 mph.

    Slight Chance
    T-storms

    High: 85 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 10pm. Partly cloudy, with a low around 78. East wind 9 to 11 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 78 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East wind 8 to 10 mph.

    Chance
    T-storms

    High: 86 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 76. East wind 7 to 11 mph.

    Slight Chance
    T-storms then
    Chance
    Showers

    Low: 76 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. East wind 8 to 11 mph.

    Chance
    T-storms

    High: 87 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.

    Slight Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    Slight Chance
    T-storms

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 78.

    Partly Cloudy

    Low: 78 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

    Chance
    Showers

    High: 87 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind around 14 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 10pm. Partly cloudy, with a low around 78. East wind 9 to 11 mph. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East wind 8 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 76. East wind 7 to 11 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. East wind 8 to 11 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
2:17 pm EDT Sep 22, 2018
Forecast Valid:
2pm EDT Sep 22, 2018-6pm EDT Sep 28, 2018
 
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