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

Chester Catawba Regional Airport (KDCM)

Lat: 34.79°NLon: 81.2°WElev: 656ft.

Overcast

63°F

17°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.25 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 7 Mar 6:55 am EST
Extended Forecast for

Lewis SC

  • Today

    Today: Partly sunny, with a high near 78. South southwest wind 3 to 8 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am. Mostly cloudy, with a low around 61. South southwest wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: Rain and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers. Mostly cloudy, with a low around 58. Light southwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Partly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 79 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 82.

    High: 82 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Partly sunny, with a high near 78. South southwest wind 3 to 8 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am. Mostly cloudy, with a low around 61. South southwest wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers. Mostly cloudy, with a low around 58. Light southwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the morning.
Monday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 83.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewis SC
 34.78°N 81.14°W (Elev. 600 ft)
Last Update:
6:09 am EST Mar 7, 2026
Forecast Valid:
7am EST Mar 7, 2026-6pm EDT Mar 13, 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