


NWS Forecast for: Porter County Issued by: National Weather Service Chicago, IL Last Update: 236 PM CDT Sat Sep 20 2025 | ![]() |
Tonight: Mostly cloudy. Isolated thunderstorms in the evening. Scattered showers. A chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of precipitation 50 percent. Sunday: Mostly cloudy. A slight chance of thunderstorms in the morning. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of precipitation 50 percent. Sunday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds around 5 mph. Chance of precipitation 70 percent. Monday: A slight chance of thunderstorms in the morning. Showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent. Monday Night: Mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 60s. South winds around 5 mph. Chance of precipitation 50 percent. Tuesday: Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. Tuesday Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of precipitation 40 percent. Wednesday: Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. Wednesday Night: Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of precipitation 30 percent. Thursday: Mostly cloudy with a 40 percent chance of showers. Highs in the lower 70s. Thursday Night: Partly cloudy with a 30 percent chance of showers. Lows in the mid 50s. Friday: Partly cloudy with a 30 percent chance of showers. Highs in the lower 70s. Friday Night: Partly cloudy. Lows in the mid 50s. Saturday: Partly cloudy. Highs around 70. | |
Zone Forecast: Porter County | |
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