Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Columbia, Columbia Metropolitan Airport (KCAE)

Lat: 33.94°NLon: 81.12°WElev: 233ft.

Partly Cloudy

93°F

34°C

Humidity 44%
Wind Speed NW 3 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 21 Sep 4:56 pm EDT
Extended Forecast for

3 Miles E Irmo SC

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 8pm and midnight.  Patchy fog after 4am.  Otherwise, mostly clear, with a low around 72. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 4pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 92. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, mainly after 7am.  Mostly cloudy, with a high near 78. Northeast wind 7 to 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 2am.  Mostly cloudy, with a low around 63. Northeast wind 8 to 11 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 8pm and midnight. Patchy fog after 4am. Otherwise, mostly clear, with a low around 72. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, mainly after 7am. Mostly cloudy, with a high near 78. Northeast wind 7 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. Northeast wind 8 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 73.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Irmo SC
 34.08°N 81.15°W (Elev. 299 ft)
2:21 pm EDT Sep 21, 2026
5pm EDT Sep 21, 2026-6pm EDT Sep 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database