Expires:202507110615;;226736
FPUS53 KLOT 102257
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
557 PM CDT Thu Jul 10 2025


INZ002-110615-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
557 PM CDT Thu Jul 10 2025

.REST OF TONIGHT...Partly cloudy early in the evening, then
becoming mostly cloudy. Scattered showers and thunderstorms in
the late evening and overnight. Lows in the upper 60s. East winds
around 5 mph, becoming south. Chance of precipitation 50 percent.
.FRIDAY...Mostly cloudy through mid morning, then becoming partly
cloudy. Scattered showers and thunderstorms through mid morning,
then isolated showers and thunderstorms late morning through mid
afternoon. Scattered showers and thunderstorms late in the
afternoon. Highs around 90. Southwest winds 5 to 10 mph. Chance
of precipitation 40 percent. 
.FRIDAY NIGHT...Partly cloudy. Scattered showers and
thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph.
Chance of precipitation 40 percent. 
.SATURDAY...Partly cloudy in the morning, then becoming mostly
cloudy. A chance of showers and thunderstorms in the morning,
then numerous showers and thunderstorms in the afternoon. Highs
in the upper 80s. Southwest winds 5 to 10 mph. Chance of
precipitation 70 percent. 
.SATURDAY NIGHT...Mostly cloudy. A chance of showers and
thunderstorms, mainly in the evening. Lows in the upper 60s. West
winds 5 to 10 mph. Chance of precipitation 50 percent. 
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of thunderstorms in the morning. A slight
chance of showers. Highs in the lower 80s inland, but only in the
upper 70s near the lake. Chance of precipitation 20 percent. 
.SUNDAY NIGHT...Mostly clear. Lows in the mid 60s. 
.MONDAY...Sunny. Highs in the upper 80s inland, but only in the
lower 80s near the lake. 
.MONDAY NIGHT...Clear. Lows in the upper 60s. 
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 90. 
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 70s. 
.WEDNESDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the upper 80s. Chance of precipitation
50 percent. 
.WEDNESDAY NIGHT...A chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows in the upper 60s.
Chance of precipitation 50 percent. 
.THURSDAY...Mostly cloudy with a chance of showers. Highs in the
upper 70s. Chance of precipitation 40 percent. 

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