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Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Chester Catawba Regional Airport (KDCM)

Lat: 34.79°NLon: 81.2°WElev: 656ft.

Thunderstorm in Vicinity

73°F

23°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 13 Aug 4:55 am EDT
Extended Forecast for

Chester SCSimilar City Names

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Light southwest wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

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

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

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

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Light southwest wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 71. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chester SCSimilar City Names
 34.69°N 81.21°W (Elev. 522 ft)
Last Update:
1:27 am EDT Aug 13, 2025
Forecast Valid:
5am EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation