Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Morganton-Lenoir Airport (KMRN)

Lat: 35.82°NLon: 81.61°WElev: 1227ft.

Fair

70°F

21°C

Humidity 98%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 18 Aug 5:15 am EDT
Extended Forecast for

3 Miles WNW South Mountains NC

  • Today

    Today: Sunny, with a high near 86. Northwest wind 5 to 7 mph becoming calm  in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. North northeast wind around 7 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Northeast wind around 5 mph becoming calm  in the morning.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am.  Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 86. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 65. North northeast wind around 7 mph.
Wednesday
Sunny, with a high near 86. Northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Light and variable wind.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW South Mountains NC
 35.62°N 81.73°W (Elev. 2536 ft)
2:24 am EDT Aug 18, 2026
5am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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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