Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Morganton-Lenoir Airport (KMRN)

Lat: 35.82°NLon: 81.61°WElev: 1227ft.

Fair

70°F

21°C

Humidity 99%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 20 Aug 4:15 am EDT
Extended Forecast for

Brown Mtn Beach NC

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm.  High near 87. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely then
    Chance
    Showers

  • 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 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 87. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 89. Calm wind.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Brown Mtn Beach NC
 35.91°N 81.72°W (Elev. 1299 ft)
2:23 am EDT Aug 20, 2026
4am EDT Aug 20, 2026-6pm EDT Aug 26, 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