Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Overcast

66°F

19°C

Humidity 73%
Wind Speed E 14 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Sep 12:56 pm CDT
Extended Forecast for

Rensselaer IN

  • This Afternoon

    This Afternoon: Cloudy, with a high near 65. East northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 53. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. Northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 65. East northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Cloudy, with a low around 53. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 65. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 52. Northeast wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.94°N 87.16°W
12:56 pm CDT Sep 21, 2026
1pm CDT Sep 21, 2026-6pm CDT Sep 27, 2026
 
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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