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Schererville, Indiana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Schererville IN
National Weather Service Forecast for: Schererville IN
Issued by: National Weather Service Chicago, IL
Updated: 9:12 am CDT Aug 22, 2025
 
Today

Today: Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.
Mostly Sunny

Tonight

Tonight: Partly cloudy, with a low around 64. East wind around 5 mph becoming calm.
Partly Cloudy

Saturday

Saturday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
Saturday
Night
Saturday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph, with gusts as high as 15 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 73. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 54.
Mostly Clear

Monday

Monday: Sunny, with a high near 70.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 52.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 70.
Sunny

Hi 81 °F Lo 64 °F Hi 82 °F Lo 57 °F Hi 73 °F Lo 54 °F Hi 70 °F Lo 52 °F Hi 70 °F

Hazardous Weather Outlook
 

Today
 
Mostly sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.
Tonight
 
Partly cloudy, with a low around 64. East wind around 5 mph becoming calm.
Saturday
 
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Saturday Night
 
Mostly clear, with a low around 57. Northwest wind around 5 mph, with gusts as high as 15 mph.
Sunday
 
Sunny, with a high near 73. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
 
Mostly clear, with a low around 54.
Monday
 
Sunny, with a high near 70.
Monday Night
 
Mostly clear, with a low around 52.
Tuesday
 
Sunny, with a high near 70.
Tuesday Night
 
Mostly clear, with a low around 52.
Wednesday
 
Sunny, with a high near 74.
Wednesday Night
 
Mostly clear, with a low around 54.
Thursday
 
Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Schererville IN.

Weather Forecast Discussion
262
FXUS63 KLOT 221106
AFDLOT

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
606 AM CDT Fri Aug 22 2025

.KEY MESSAGES...

- Areas of fog (dense in spots) this morning.

- Slight chance (20%) for a few thunderstorms Saturday
  afternoon.

- Fall-like temperatures early/mid next week.

&&

.DISCUSSION...
Issued at 215 AM CDT Fri Aug 22 2025

Main concern in the short term is fog potential early this
morning. Fog thus far has been developing across north central
IN and portions of southwest WI but satellite is starting to
show fog developing across east central IL. Will need to monitor
trends for a possible dense fog advisory with the most favored
areas being along and south of I-80, though dense fog will also
be possible across northwest IL. This fog will lift/dissipate
through mid morning.

High temps today are expected to reach the upper 70s to lower
80s for most areas with a lake breeze expected this afternoon,
though there remains some uncertainty for how far inland the
lake breeze may move.

A cold front will move across the area Saturday with a low
chance of showers toward daybreak Saturday morning across the
northwest cwa with most models staying dry. Additional showers
are possible Saturday morning with perhaps a low chance (20%)
for a few thunderstorms Saturday afternoon, mainly south of
I-80. While confidence is fairly low, maintained going slight
chance pops during this time period along with thunder mention
for Saturday afternoon.

Cooler air will begin to arrive Saturday night and will continue
through the middle of the week with high temps generally in the
70s and low temps in the upper 40s/lower 50s. Usual cool spots
may see mid 40s on a few mornings.

Dry weather is expected for much of next week with the
exception of some lake effect rain showers possible across
northwest IN Sunday night into Monday and again Monday night
into Tuesday. cms

&&

.AVIATION /12Z TAFS THROUGH 18Z SATURDAY/... Issued at 600 AM
CDT Fri Aug 22 2025

Aviation forecast concerns for the 12Z TAFs:

- IFR/LIFR fog patches and MVFR ceilings lifting after 14z

- Low-medium confidence in timing of lake breeze/wind shift at
  ORD/MDW this afternoon, though speeds should remain under 9 kt
  for any length of time regardless of direction.

In spite of light low level winds, area wind profilers suggest
enough flow to prevent widespread dense fog. Still,visibilities
in patchy fog have been inching downward overnight outside of
the metro area, and these will most likely to remain down the
longest south of the terminals. There are also some patchy
lower (mostly MVFR/low VFR) clouds about that will lift today
into more of a VFR stratocumulus with time as well.

Model guidance has quite varied solutions for winds,
particularly for ORD/MDW in vicinity of the lake. As the low level
ridge axis moves east, low level flow will shift to westerly,
but it will not be very strong. Therefore conceptually light
winds would be somewhat variable and would also suggest at
least a turn to a SE wind at some point later today at least at
KMDW. Any lake breeze push would not likely be a very strong
(winds under 8-9 kt).

A prefrontal trough will move through NE IL mainly overnight.  The
signal for anything more than a few sprinkles is low. A
cold front will approach the terminals toward the tail end of the 30
hr TAF cycle. All indications are that this will be dry for the
terminals, though it could bring a few showers or even isolated
TS (20%).

KMD

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...None.
IN...None.
LM...None.

&&

$$

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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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