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.

Light Rain Fog/Mist

57°F

14°C

Humidity 96%
Wind Speed W 18 G 30 mph
Barometer 29.69 in (1005.1 mb)
Dewpoint 56°F (13°C)
Visibility 5.00 mi
Last update 18 Apr 5:56 am CDT
Extended Forecast for

Rensselaer IN

  • Today

    Today: A 40 percent chance of showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 47 by 11am. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F⇓

    Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 54. Southwest wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 54 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. North northwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.

    Low: 31 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 54 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 47 by 11am. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 54. Southwest wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31. North northwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
Showers likely. Mostly cloudy, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.94°N 87.16°W
Last Update:
3:06 am CDT Apr 18, 2026
Forecast Valid:
6am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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