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

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fair

24°F

-4°C

Humidity 84%
Wind Speed SW 12 mph
Barometer 30.20 in (1023.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 12 Jan 4:56 am CST
Extended Forecast for

Rensselaer IN

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 41. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 41 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of sprinkles after noon. Mostly cloudy, with a high near 48. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Slight Chance
    Sprinkles and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 35. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.

    High: 35 °F

    Snow Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Chance Snow
    Showers and
    Blustery

  • Thursday

    Thursday: A 40 percent chance of snow showers before noon. Partly sunny, with a high near 25.

    High: 25 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Scattered snow showers. Mostly cloudy, with a high near 32.

    High: 32 °F

    Scattered
    Snow Showers

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 41. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 31. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of sprinkles after noon. Mostly cloudy, with a high near 48. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 35. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 17. Blustery.
Thursday
A 40 percent chance of snow showers before noon. Partly sunny, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18.
Friday
Scattered snow showers. Mostly cloudy, with a high near 32.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.94°N 87.16°W
Last Update:
2:31 am CST Jan 12, 2026
Forecast Valid:
5am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation