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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Mostly Cloudy

72°F

22°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Sep 9:56 am CDT
Extended Forecast for

Dune Acres IN

  • Today

    Today: Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 78 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 66. Light north wind becoming north northeast 5 to 10 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 66. Light north wind becoming north northeast 5 to 10 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81.
Saturday Night
Showers likely. Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 73.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dune Acres IN
 41.64°N 87.11°W
Last Update:
9:06 am CDT Sep 15, 2026
Forecast Valid:
10am CDT Sep 15, 2026-6pm CDT Sep 21, 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