Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

Big Sandy Regional Airport (KSJS)

Lat: 37.75°NLon: 82.64°WElev: 1220ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 29 Jul 1:55 am EDT
Extended Forecast for

Prestonsburg KY

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Light north wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Light north wind.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 86.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 86.

    High: 86 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 68. Calm wind.
Wednesday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Light north wind.
Thursday
Sunny, with a high near 84. Light north wind.
Thursday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. Calm wind.
Friday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 69.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Prestonsburg KY
 37.67°N 82.78°W (Elev. 642 ft)
1:22 am EDT Jul 29, 2026
2am EDT Jul 29, 2026-6pm EDT Aug 4, 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