| NWS Forecast for: Porter County Issued by: National Weather Service Chicago, IL Last Update: 852 PM CDT Mon May 18 2026 |  |
Rest Of Tonight: Cloudy. A slight chance of showers after midnight. Lows in the mid 60s. South winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of precipitation 20 percent. Tuesday: Cloudy. A slight chance of showers in the morning. A slight chance of thunderstorms late in the morning, then a chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 80s. Temperature falling into the mid 70s in the afternoon. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent. Tuesday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. North winds 10 to 15 mph. Chance of precipitation 50 percent. Wednesday: Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 50s. North winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Wednesday Night: Partly cloudy. Near steady temperature in the upper 40s. North winds 10 to 15 mph, becoming northeast 5 to 10 mph after midnight. Thursday: Partly cloudy. Highs in the mid 60s. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Friday: Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 60 percent. Friday Night: Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of precipitation 50 percent. Saturday: Mostly cloudy. Highs in the lower 70s. Saturday Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of precipitation 30 percent. Sunday: Mostly cloudy. Highs in the mid 70s. Sunday Night: Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of precipitation 30 percent. Memorial Day: Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent. | |
| Zone Forecast: Porter County | |
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