Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Partly Cloudy

89°F

32°C

Humidity 51%
Wind Speed W 6 mph
Barometer 30.33 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Sep 4:35 pm EDT
Extended Forecast for

4 Miles SSW Viper KY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers.  Mostly sunny, with a steady temperature around 89. Heat index values as high as 95. Calm wind.

    High: 89 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Light and variable wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog between 7am and 9am.  Otherwise, mostly sunny, with a high near 89.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am.  Mostly clear, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly sunny, with a steady temperature around 89. Heat index values as high as 95. Calm wind.
Tonight
Mostly clear, with a low around 70. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 68.
Saturday
Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Viper KY
 37.12°N 83.18°W (Elev. 1358 ft)
4:01 pm EDT Sep 16, 2026
4pm EDT Sep 16, 2026-6pm EDT Sep 23, 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