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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Breckinridge County Airport (KI93)

Lat: 37.78°NLon: 86.44°WElev: 732ft.

Fair

81°F

27°C

Humidity 84%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 17 Sep 7:35 pm CDT
Extended Forecast for

2 Miles NNW Union Star KY

Heat Advisory September 17, 07:45pm until September 18, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 07:45pm until September 18, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers between 7pm and 9pm. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Friday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of showers between 7pm and 9pm. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 93. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 71. Light south wind.
Sunday
Mostly sunny and hot, with a high near 94.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Union Star KY
 37.96°N 86.48°W (Elev. 607 ft)
Last Update:
7:06 pm CDT Sep 17, 2026
Forecast Valid:
7pm CDT Sep 17, 2026-6pm CDT Sep 24, 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