| NWS Forecast for: Porter County Issued by: National Weather Service Chicago, IL Last Update: 531 AM CDT Wed Sep 16 2026 |  |
Today: Mostly cloudy. Showers likely early in the morning, then a chance of showers in the late morning and afternoon. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Northeast winds around 5 mph. Chance of precipitation 70 percent. Tonight: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph, becoming southeast after midnight. Chance of precipitation 70 percent. Thursday: Mostly cloudy. Showers likely with a slight chance of thunderstorms early in the morning, then a chance of showers late in the morning. Humid with highs in the upper 70s inland, but only in the mid 70s near the lake. West winds around 5 mph, becoming north in the afternoon. Chance of precipitation 70 percent. Thursday Night: Mostly cloudy. Lows in the lower 60s. Northeast winds around 5 mph. Friday: Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. East winds 5 to 10 mph. Friday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 50 percent. Saturday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70 percent. Saturday Night: Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 80 percent. Sunday: Mostly cloudy with a chance of showers. Highs in the mid 70s. Chance of precipitation 40 percent. Sunday Night: Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of precipitation 50 percent. Monday: Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. Monday Night: Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of precipitation 40 percent. Tuesday: Mostly cloudy with a 30 percent chance of showers. Highs in the mid 70s. | |
| Zone Forecast: Porter County | |
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