Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles E Rensselaer IN

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 87. Heat index values as high as 95. West southwest wind around 5 mph.

    High: 87 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 101. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly between 7pm and 1am.  Partly cloudy, with a low around 73. West southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 87. Heat index values as high as 95. West southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph after midnight.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 101. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 73. West southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Rensselaer IN
 40.93°N 87.07°W
8:16 am CDT Jul 26, 2026
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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