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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Breckinridge County Airport (KI93)

Lat: 37.78°NLon: 86.44°WElev: 732ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed S 6 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Sep 4:35 am CDT
Extended Forecast for

2 Miles SW Union Star KY

Heat Advisory September 19, 04:55am until September 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 19, 04:55am until September 19, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Today

    High: 95 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Calm wind becoming southwest around 6 mph in the morning.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Northeast wind around 6 mph.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 70. Calm wind.
Sunday
Sunny and hot, with a high near 95. Calm wind becoming southwest around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 67. Light and variable wind.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Northeast wind around 6 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Union Star KY
 37.9°N 86.48°W (Elev. 472 ft)
Last Update:
1:26 am CDT Sep 19, 2026
Forecast Valid:
4am CDT Sep 19, 2026-6pm CDT Sep 25, 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