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

88°F

31°C

Humidity 62%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 18 Sep 10:35 am CDT
Extended Forecast for

2 Miles WNW Custer KY

Heat Advisory September 18, 10:53am until September 18, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 10:53am until September 18, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Southwest wind 3 to 7 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 92. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 70. Light south wind.
Sunday
Mostly sunny, with a high near 93. Southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 30 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 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Custer KY
 37.75°N 86.27°W (Elev. 771 ft)
Last Update:
7:36 am CDT Sep 18, 2026
Forecast Valid:
10am CDT Sep 18, 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