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

Hazardous Weather Conditions

Current conditions at

Breckinridge County Airport (KI93)

Lat: 37.78°NLon: 86.44°WElev: 732ft.

Mostly Cloudy

73°F

23°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 27 Jul 1:15 am CDT
Extended Forecast for

Derby IN

Heat Advisory July 27, 10:00am until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 72. 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: 72 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms between 9am and noon. Mostly sunny, with a high near 93. Heat index values as high as 112. Light and variable wind. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 77. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 77 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 103. West wind 5 to 8 mph becoming northwest in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms between 9am and noon. Mostly sunny, with a high near 93. Heat index values as high as 112. Light and variable wind. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 77. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 103. West wind 5 to 8 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 65.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby IN
 38.03°N 86.53°W (Elev. 407 ft)
Last Update:
11:56 pm CDT Jul 26, 2026
Forecast Valid:
1am CDT Jul 27, 2026-6pm CDT Aug 2, 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