Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Mostly Cloudy

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.08 in (1017.9 mb)
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 16 Aug 11:56 pm CDT
Extended Forecast for

4 Miles SW Valparaiso, Porter County Municipal Airport IN

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 4am.  Cloudy, with a steady temperature around 74. West southwest wind around 5 mph becoming north northwest.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Cloudy, then gradually becoming mostly sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. North wind 5 to 10 mph becoming east after midnight.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Heat index values as high as 97. Southeast wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 4am. Cloudy, with a steady temperature around 74. West southwest wind around 5 mph becoming north northwest. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. North wind 5 to 10 mph becoming east after midnight.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 97. Southeast wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Valparaiso, Porter County Municipal Airport IN
 41.42°N 87.07°W
9:26 pm CDT Aug 16, 2025
12am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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