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

Hazardous Weather Conditions

Current conditions at

Clark Regional Airport (KJVY)

Lat: 38.37°NLon: 85.74°WElev: 476ft.

Fair

82°F

28°C

Humidity 94%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 27 Jul 11:15 am EDT
Extended Forecast for

Marengo IN

Heat Advisory until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 27, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • Today

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Partly cloudy, with a low around 76. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. West wind 5 to 8 mph becoming north in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. North wind around 6 mph becoming calm after midnight.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind.
Tonight
Showers and thunderstorms likely, mainly before 2am. Partly cloudy, with a low around 76. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 90. West wind 5 to 8 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. North wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 64.
Friday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IN
 38.38°N 86.33°W (Elev. 623 ft)
Last Update:
8:26 am EDT Jul 27, 2026
Forecast Valid:
11am EDT Jul 27, 2026-6pm EDT 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