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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Chester Catawba Regional Airport (KDCM)

Lat: 34.79°NLon: 81.2°WElev: 656ft.

Fair

86°F

30°C

Humidity 66%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 20 Aug 11:15 am EDT
Extended Forecast for

Chester SC

  • Today

    Today: Mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind.

    High: 96 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 72. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 92. Heat index values as high as 103. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 1am. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 72. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 92. Heat index values as high as 103. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms, mainly before 1am. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 89. Calm wind.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chester SC
 34.72°N 81.23°W (Elev. 505 ft)
Last Update:
9:14 am EDT Aug 20, 2026
Forecast Valid:
11am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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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