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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Overcast

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 1.00 mi
Last update 12 Aug 3:55 am EDT
Extended Forecast for

Loyall KY

Flood Watch August 12, 04:12am until August 13, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 12, 04:12am until August 13, 02:00am

    NOW until 2:00am Thu

    Flood Watch

  • Overnight

    Low: 67 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    T-storms
    Likely and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 3am, then a slight chance of thunderstorms after 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 88. Calm wind. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers after 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a steady temperature around 67. Calm wind.
Wednesday
Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, mainly before 3am, then a slight chance of thunderstorms after 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 88. Calm wind. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers after 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 90. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72.
Sunday
Sunny and hot, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loyall KY
 36.86°N 83.35°W (Elev. 1486 ft)
Last Update:
3:33 am EDT Aug 12, 2026
Forecast Valid:
4am EDT Aug 12, 2026-6pm EDT Aug 18, 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