Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Greenwood, Greenwood County Airport (KGRD)

Lat: 34.25°NLon: 82.15°WElev: 630ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 30.10 in (1018.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Jun 8:56 pm EDT
Extended Forecast for

4 Miles NNW Callison SC

  • Tonight

    Tonight: Mostly clear, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Sunny, with a high near 91. Heat index values as high as 100. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 69. West southwest wind around 6 mph becoming calm  after midnight.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 91. Light northwest wind.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Light south southwest wind.
Juneteenth
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 91. Heat index values as high as 100. West southwest wind 6 to 9 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 69. West southwest wind around 6 mph becoming calm after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 91. Light northwest wind.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Callison SC
 34.07°N 82.13°W (Elev. 581 ft)
5:28 pm EDT Jun 18, 2025
9pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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