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

Hazardous Weather Conditions

Current conditions at

Starke County Airport (KOXI)

Lat: 41.33°NLon: 86.67°WElev: 686ft.

Fair

91°F

33°C

Humidity 71%
Wind Speed SW 6 mph
Barometer 29.97 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 1 Sep 4:55 pm CDT
Extended Forecast for

3 Miles SSW Koontz Lake IN

Heat Advisory September 1, 05:18pm until September 2, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 05:18pm until September 2, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 92. Heat index values as high as 99. Southwest wind around 5 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 92. Heat index values as high as 99. Southwest wind around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Labor Day
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Koontz Lake IN
 41.37°N 86.52°W (Elev. 725 ft)
Last Update:
2:46 pm CDT Sep 1, 2026
Forecast Valid:
5pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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