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

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Overcast

41°F

5°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 30.07 in (1019.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Dec 8:56 pm CST
Extended Forecast for

Rensselaer IN

Dense Fog Advisory until December 25, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 25, 06:00am

    NOW until 6:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 42 °F

    Drizzle
    Likely and
    Patchy Dense
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before 8am. Otherwise, cloudy, with a high near 47. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Rain likely after midnight. Cloudy, with a low around 39. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Cloudy then
    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 53. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 53 °F

    Chance Rain
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 45.

    Low: 45 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Drizzle likely, mainly before 2am. Patchy dense fog after 10pm. Otherwise, cloudy, with a low around 42. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph.
Christmas Day
Patchy fog before 8am. Otherwise, cloudy, with a high near 47. Northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain likely after midnight. Cloudy, with a low around 39. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 53. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
Cloudy, with a low around 45.
Sunday
A chance of rain. Cloudy, with a high near 49.
Sunday Night
A chance of rain before midnight. Mostly cloudy, with a low around 15. Blustery.
Monday
Mostly sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.94°N 87.16°W
Last Update:
9:06 pm CST Dec 24, 2025
Forecast Valid:
9pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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