East Chicago IN Weather Tomorrow and Today

East Chicago IN Weather Tomorrow and Today 7.21.2022 and 7.20.2022, temp currently is Partly Cloudy

More on current conditions

Partly Cloudy


Wind Speed
SW 14 mph

29.66 in

72°F (22°C)

10.00 mi

Heat Index78°F (26°C)
Last update

20 Jul 6:45 am CDT

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7 Day East Chicago IN Weather Tomorrow and Today 7.21.2022 and 7.20.2022

Mostly SunnyHigh: 89 °F

Mostly ClearLow: 70 °F

Sunny thenSlight ChanceT-stormsHigh: 92 °F

Mostly ClearLow: 70 °F

Mostly SunnyHigh: 90 °F

ChanceT-stormsLow: 71 °F

Slight ChanceT-stormsHigh: 91 °F

ChanceT-storms thenShowersLikelyLow: 72 °F

ChanceT-stormsHigh: 82 °F

We hope you like this weather data for East Chicago IN Weather Tomorrow and Today 7.21.2022 and 7.20.2022. Also for the rest of the week, too!

Detailed Forecast

TodayMostly sunny, with a high near 89. West wind 10 to 15 mph, with gusts as high as 30 mph. TonightMostly clear, with a low around 70. West wind 5 to 15 mph, with gusts as high as 25 mph. ThursdayA 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. West southwest wind 5 to 15 mph, with gusts as high as 20 mph. Thursday NightMostly clear, with a low around 70. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. FridayMostly sunny, with a high near 90. West wind 5 to 10 mph becoming south in the afternoon. Friday NightA 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.SaturdayA 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.Saturday NightA chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72.SundayA chance of showers and thunderstorms. Partly sunny, with a high near 82.Sunday NightA chance of showers and thunderstorms. Mostly cloudy, with a low around 68.MondayA chance of showers. Partly sunny, with a high near 78.Monday NightA chance of showers. Partly cloudy, with a low around 66.TuesdayA chance of showers. Mostly sunny, with a high near 81.

Here’s a detailed discussion below that you might like for East Chicago IN Weather Tomorrow and Today 7.21.2022 and 7.20.2022.

Area Forecast Discussion Issued by NWS Chicago, ILHome | Current Version | Previous Version | Text Only | Print | Product List | Glossary OffVersions: 1
FXUS63 KLOT 201116

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
616 AM CDT Wed Jul 20 2022

Issued at 347 AM CDT Wed Jul 20 2022

Through Thursday…

Short term forecast concerns include isolated high-based
convective showers moving out of our southeastern counties very
early this morning, then warm and breezy conditions today. Similar
conditions expected much of the day Thursday as well, though with
some isolated to scattered shower and thunderstorm chance
Thursday afternoon.

Impressive early morning water vapor imagery with deep upper
trough seen propagating eastward across the upper Midwest and
northern Great Lakes region. At the surface, 994 mb low pressure
was analyzed just north of the Minnesota Arrowhead into Ontario. A
surface cold front trailed from this low trailed south-southeast
across Lake Superior and eastern WI, then southwest through
central IA. Breezy south winds and an axis of low 70s surface dew
points were contributing to seasonably warm nighttime temps of
75-80 degrees as of 3 AM. 00Z RAOBs from both DVN and ILX depicted
a warm layer aloft in the 850-700 mb layer, maintaining capping
inversion with respect to near-surface based parcels. A narrow
axis of mid-level moisture was evident in a band of mid-level
clouds (bases around/above about 9 kft per some AWOS/ASOS
ceilometer hits), which have been producing a narrow band of high-
based convective showers currently from central MI back across
northwest IN and east-central IL. Another weaker band was over
Lake Michigan into the Chicago metro area, with a few sprinkles
recently noted at O`Hare. These will continue to move east of the
area with little impact through sunrise, with best chances mainly
across east of I-57 and south of I-80. May carry some low-chance
pops along/east of a KCMI-KVPZ line beyond sunrise this morning
for these showers ahead of the mid-level trough.

Surface cold front lags the upper level support a bit this
morning, but should complete its transit of the eastern parts of
the forecast area by midday. It`ll still feel a bit sticky
along/ahead of the front where dew points will remain pooled in
the lower 70s, but drier low level air will spread in behind the
front during the morning which along with west-southwest winds
becoming breezy (gusts 30-35 mph later this afternoon especially
north of I-80) should make things less uncomfortable for the
remainder of the day. Air mass behind the front is not too much
cooler however, with afternoon highs still expected to range from
the mid-upper 80s across most of the area, and tagging 90 in a few
spots closer to the departing front in our eastern cwa.

Thursday will start out sunny and breezy as well, with warmer
temperatures expected as a quick-moving mid-level short wave
approaches from the northwest. Associated low-level warm advection
response looks to boost surface temps into the 90/low 90s range
by afternoon. The mid-level short wave arrives during the mid-late
afternoon hours, with forced ascent producing sufficient cooling
aloft to generate some surface-based instability by the diurnally
warmest part of the day. Forecast soundings from both the NAM and
ECMWF develop around 1500 J/kg of MLCAPE across northern IL by
late afternoon, with the 3 km NAM and NSSL-WRF in addition to
several other models indicating some isolated to scattered shower
and thunderstorm development. Doesn`t appear to be much in the way
of low level convergence to focus initiation on, so coverage will
likely be fairly limited, but will maintain some 20 percent pops
across especially the northern IL portion of the forecast area
during the later afternoon hours.



Issued at 413 AM CDT Wed Jul 20 2022

Thursday night through Tuesday…

Thursday night is expected to be quiet following the passage of a
stout low level shortwave which could bring a few passing showers
and storms to the area Thursday afternoon and evening; more on
that above in the short term discussion. In fact, low level
ridging behind the wave should keep us dry through at least Friday
afternoon. This ridging along with more sun than clouds expected
will help temperatures on Friday return to the 90`s for another
day across most of the CWA. Come Friday evening, another shortwave
feature will be inching in from the west with plenty of low level
moisture advection taking place ahead of it. This looks to result
in a messy cluster of showers and possibly a couple of light
thunderstorms with a sufficient amount of elevated instability in
place. This system is expected to be in the area through most of
the night with Saturday likely starting on a dry note, at least
for most.

Saturday, the low level jet will park itself right across the area
with several mesoscale waves anticipated to bring plenty of
scattered rain chances through most of the day. In a weekend filled
with rain chances, the only really apparent surface feature that`s
expected to move through is a potentially potent cold front which
will bring us probably the best rain and storms chances of the
weekend. However, guidance can`t seem to agree whatsoever on the
timing or strength of this front. The GFS is the earliest solution.
It has the front dropping through the area from the north Saturday
evening and night. It also appears to be the most aggressive with
lift along the front as well as the magnitude of the LLJ overhead.
It has a widespread area of showers pushing south into the area
during this time. The greatest thunderstorm chances will be in the
northern CWA right as the front begins to approach when we should
still have roughly 1,500 to 2,000 joules of CAPE to work with a
moderate low level lapse rates. The GFS has CAPE dropping off pretty
quickly late in the evening and leaving us with just some scattered
showers for the southern half of the CWA. The Euro has the front
moving through Sunday afternoon and the Canadian is even later at
Sunday evening. While they don`t have ascent along the boundary
being quite a strong as the GFS, the environment overall seems a bit
more supportive of thunderstorms development with 2,000-3,000 joules
of CAPE, an efficient shear profile, low level lapse rates on the
order of 8 K/km or so, and of course support from diurnal heating.
This setup would support scattered to widespread thunderstorms with
the frontal passage. Unfortunately, with so much uncertainty
revolving around this front, rain chances for much of this weekend
remain very blurry. Aside from the front, the environment should at
least be supportive of pop up convection in the afternoon and
evening both Saturday and Sunday so as to say rain is expected to be
in the area at least at some point both days. Temperatures will be
back in the 90`s for most on Saturday and are expected to drop into
the mid 80`s for Sunday, but this will be influenced by the timing
of the cold front.

Most of Monday should be rain-free with a broad area of high
pressure centered just up to the north, although some heat-driven
convection is possible Monday afternoon and evening. On Tuesday,
a warm front will be approaching from the southwest and throwing
up clusters of showers and storms that could be carried into our
area by the southwesterly flow aloft. As of now, it appears that
there is a potential for stronger storms with this front but it
should stay to our southwest as the front isn`t expected to move
into the CWA until Tuesday night. Temperatures will drop closer to
normal for the first few days of next week with highs expected to
be in the lower and middle 80`s.



For the 12Z TAFs…

There are no significant aviation weather concerns through the 12Z
TAF period.

SW winds will be turning westerly withing the first few hours of the
period while picking up speed through the morning eventually gusting
between 20-25 kts through the afternoon and into the evening. Winds
will subside to under 10 kts late this evening and overnight while
remaining westerly. Continued westerly flow will accelerate through
the morning on Thursday gusting to near 20 kts by the end of the TAF
period. VFR conditions can be expected through the entirety of the



LM…Small Craft Advisory…nearshore waters until 10 PM Wednesday.



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