Michigan City, Indiana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Michigan City IN
National Weather Service Forecast for:
Michigan City IN
Issued by: National Weather Service Northern Indiana |
Updated: 9:47 am CDT Jul 9, 2025 |
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Today
 Slight Chance T-storms
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Tonight
 Partly Cloudy
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Thursday
 Mostly Sunny
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Thursday Night
 Mostly Cloudy
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Friday
 Chance T-storms
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Friday Night
 Chance T-storms
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Saturday
 Showers Likely
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Saturday Night
 Slight Chance T-storms
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Sunday
 Mostly Sunny
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Hi 78 °F |
Lo 70 °F |
Hi 80 °F |
Lo 69 °F |
Hi 89 °F |
Lo 75 °F |
Hi 86 °F |
Lo 71 °F |
Hi 84 °F |
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Beach Hazards Statement
Hazardous Weather Outlook
Today
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A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 78. West wind 5 to 10 mph becoming north in the afternoon. |
Tonight
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Partly cloudy, with a low around 70. North wind 5 to 10 mph. |
Thursday
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Mostly sunny, with a high near 80. North wind around 5 mph. |
Thursday Night
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Mostly cloudy, with a low around 69. North wind around 5 mph becoming calm in the evening. |
Friday
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A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 30%. |
Friday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%. |
Saturday
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A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%. |
Saturday Night
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A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. |
Sunday
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Mostly sunny, with a high near 84. |
Sunday Night
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Mostly clear, with a low around 71. |
Monday
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A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. |
Monday Night
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A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. |
Tuesday
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A chance of showers and thunderstorms. Mostly sunny, with a high near 89. |
Forecast from NOAA-NWS
for Michigan City IN.
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Weather Forecast Discussion
435
FXUS63 KIWX 091032
AFDIWX
Area Forecast Discussion
National Weather Service Northern Indiana
632 AM EDT Wed Jul 9 2025
.KEY MESSAGES...
- Becoming hot and humid Friday and Saturday. Highs in the upper 80s
with heat indices in the low to mid 90s.
- Chances abound for mainly afternoon and evening showers and
thunderstorms through early next week.
- Severe storms are not expected.
&&
.DISCUSSION...
Issued at 258 AM EDT Wed Jul 9 2025
Incredibly stable mid level (700mb-500mb) lapse rates in the
order of 4.7 to 5.0 C/Kg were over northern Indiana and
surrounding areas. Scattered showers and a few storms have
survived the night in the base of the upper level trof that was
moving through the Upper Great Lakes region. Scattered showers
and storms will become more numerous by late this afternoon with
daytime heating. Severe storms are not expected, but locally
heavy rainfall and wind gusts up to 40 mph will be possible.
There should be a short break in the activity Thursday with
somewhat more stable air, slightly lower dew points and weak
subsidence.
An upper level trof topping the subtropical ridge extension was
over the southwest CONUS will phase with another wave moving
east across southern Canada. These merging systems will bring a
good chance for showers and storms Friday. Given the stable
conditions, heavy rainfall is not expected. After Friday,
numerous chances for showers and storms will persist through the
middle of next week given the environment of high precipitable
water values and deep moisture.
&&
.AVIATION /12Z TAFS THROUGH 12Z THURSDAY/...
Issued at 630 AM EDT Wed Jul 9 2025
A lead mid/upper level trough will continue to track across
northern Indiana this morning and appears to have an MCV feature
associated with it. Showers have increased in coverage over the
past hour or two across west central Indiana along the southern
periphery of this feature. Eastward track of this vort max
could provide a brief window of shower potential mid morning
through midday at KFWA. Some brief vsby restrictions are
possible at KSBN early this morning as departure of greater
coverage mid cloud deck could allow for some patchy fog to
develop through 13Z.
A larger scale upper trough will settle across the Great Lakes
today allowing a cool front to drop southeast across the region.
This should allow for scattered thunderstorm development this
afternoon across northern Indiana with best chances at KFWA
given frontal progression. Rain showers should diminish this
evening as frontal boundary becomes more diffuse. Guidance does
depict some potential of some patchy shallow fog just in wake of
this sfc trough where near surface vertical moisture profiles
may be a bit more supportive before drier air works in from the
west. Did include MVFR vsby mention at KFWA with the 12Z TAFs to
give some indication of this potential late this period.
&&
.IWX WATCHES/WARNINGS/ADVISORIES...
IN...Beach Hazards Statement from 4 PM CDT this afternoon through
late tonight for INZ103.
OH...None.
MI...Beach Hazards Statement from 5 PM EDT this afternoon through
late tonight for MIZ177-277.
MARINE...None.
&&
$$
DISCUSSION...Skipper
AVIATION...Marsili
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