| NWS Forecast for: Porter County Issued by: National Weather Service Chicago, IL Last Update: 133 PM CDT Wed Mar 18 2026 | |
| Tonight: Mostly cloudy. A slight chance of rain showers late. Lows in the lower 30s. Southwest winds around 5 mph, becoming southeast after midnight. Chance of precipitation 20 percent. Thursday: Mostly cloudy in the morning, then clearing. A chance of rain showers in the morning. Highs in the lower 50s inland, but only in the mid 40s near the lake. Southeast winds around 5 mph. Chance of precipitation 30 percent. Thursday Night: Mostly cloudy. Lows in the upper 30s. East winds around 5 mph, becoming south after midnight. Friday: Mostly cloudy. Highs in the mid 60s inland, but only around 60 near the lake. Southwest winds 5 to 10 mph, becoming west in the afternoon. Friday Night: Mostly cloudy. Lows in the upper 30s. North winds around 5 mph. Saturday: Partly cloudy. Highs in the mid 60s inland, but only in the lower 60s near the lake. Saturday Night: Partly cloudy. Lows in the mid 40s. Sunday: Mostly cloudy. A slight chance of showers in the morning. Highs in the lower 60s inland, but only around 50 near the lake. Temperature falling into the mid 40s in the afternoon. Chance of precipitation 20 percent. Sunday Night: Mostly cloudy. Lows in the lower 30s. Monday: Mostly cloudy in the morning, then clearing. Highs in the lower 40s. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. Tuesday: Mostly cloudy. Highs in the upper 40s. Tuesday Night: Mostly cloudy. Lows in the mid 30s. Wednesday: Mostly cloudy. Highs in the mid 50s. | |
| Zone Forecast: Porter County | |
Visit your local NWS office at: https://www.weather.gov/lot |