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Severe Thunderstorms With Heavy Rain Possible from the Upper Midwest to the Mid-Atlantic; Excessive Heat For Central U.S.

Storms will move from the Upper Great Lakes to the Ohio Valley/Lower Great Lakes into the northern Mid-Atlantic through the day. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat warnings and heat advisories are in place for states in the Central Plains, the Southeast, and the Mid-Atlantic. Localized flash flooding may occur in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Partly Cloudy

78°F

26°C

Humidity 82%
Wind Speed Calm
Barometer 30.04 in (1017.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Jul 10:56 pm EDT
Extended Forecast for

Callahan FL

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South wind around 5 mph becoming light and variable.

    Partly Cloudy

    Low: 72 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 93 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 74. Southwest wind around 6 mph.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 74 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 9am.  Partly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the afternoon.

    Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 9pm.  Mostly cloudy, with a low around 74. Southwest wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    T-storms
    Likely then
    Mostly Cloudy

    Low: 74 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 9am.  Partly sunny, with a high near 92.

    Chance
    T-storms

    High: 92 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 75.

    Chance
    T-storms

    Low: 75 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 9am.  Partly sunny, with a high near 93.

    Chance
    T-storms

    High: 93 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75.

    Chance
    T-storms

    Low: 75 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. South wind around 5 mph becoming light and variable.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 74. Southwest wind around 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 9am. Partly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Showers and thunderstorms likely before 9pm. Mostly cloudy, with a low around 74. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms after 9am. Partly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 93.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 93.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Click Map For Forecast
Point Forecast:
Callahan FL
 30.56°N 81.83°W
10:15 pm EDT Jul 21, 2017
11pm EDT Jul 21, 2017-6pm EDT Jul 28, 2017
 
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Additional Resources

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