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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Walterboro Lowcountry Regional Airport (KRBW)

Lat: 32.92°NLon: 80.64°WElev: 102ft.

Overcast

81°F

27°C

Humidity 74%
Wind Speed SW 12 G 22 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Jun 11:55 am EDT
Extended Forecast for

2 Miles SE Brunson SC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 84. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 90. Southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 71. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm. High near 87. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.

    High: 89 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 84. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 90. Southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 71. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
Showers and possibly a thunderstorm. High near 87. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Brunson SC
 32.9°N 81.16°W (Elev. 105 ft)
Last Update:
7:22 am EDT Jun 17, 2026
Forecast Valid:
12pm EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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