NWS Forecast for Valparaiso IN

National Weather Service Forecast for: Valparaiso IN
Issued by: National Weather Service Chicago, IL

Updated: 7:21 pm CST Dec 22, 2025

Tonight Slight Chance Rain then Mostly Cloudy	Tuesday Partly Sunny	Tuesday Night Partly Cloudy	Wednesday Mostly Cloudy then Chance Rain	Wednesday Night Rain Likely and Patchy Fog	Christmas Day Cloudy	Thursday Night Slight Chance Rain then Rain Likely	Friday Partly Sunny	Friday Night Mostly Cloudy
Lo 38 °F	Hi 47 °F	Lo 30 °F	Hi 43 °F	Lo 40 °F	Hi 48 °F	Lo 42 °F	Hi 53 °F	Lo 38 °F

Tonight	A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 38. South southwest wind around 10 mph.
Tuesday	Partly sunny, with a high near 47. Southwest wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night	Partly cloudy, with a low around 30. West northwest wind around 5 mph becoming calm in the evening.
Wednesday	A 30 percent chance of rain or drizzle after noon. Mostly cloudy, with a high near 43. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night	Rain or drizzle likely, mainly before midnight. Patchy fog. Otherwise, cloudy, with a low around 40. South southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Christmas Day	Cloudy, with a high near 48.
Thursday Night	Rain likely, mainly after midnight. Cloudy, with a low around 42. Chance of precipitation is 60%.
Friday	Partly sunny, with a high near 53.
Friday Night	Mostly cloudy, with a low around 38.
Saturday	Mostly cloudy, with a high near 52.
Saturday Night	A chance of rain. Mostly cloudy, with a low around 30.
Sunday	Mostly sunny, with a high near 35.
Sunday Night	Partly cloudy, with a low around 16.
Monday	Mostly sunny, with a high near 26.

Forecast from NOAA-NWS for Valparaiso IN.