Crown Point, Indiana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Crown Point IN
National Weather Service Forecast for:
Crown Point IN
Issued by: National Weather Service Chicago, IL |
Updated: 3:41 am CDT Jun 4, 2025 |
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Today
 Showers Likely
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Tonight
 Showers Likely
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Thursday
 Slight Chance Showers then Mostly Sunny
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Thursday Night
 Mostly Cloudy
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Friday
 Chance Showers
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Friday Night
 Slight Chance T-storms
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Saturday
 Slight Chance Showers
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Saturday Night
 Partly Cloudy
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Sunday
 Mostly Sunny then Chance Showers
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Hi 70 °F⇓ |
Lo 56 °F |
Hi 68 °F |
Lo 55 °F |
Hi 74 °F |
Lo 55 °F |
Hi 72 °F |
Lo 53 °F |
Hi 78 °F |
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Hazardous Weather Outlook
Today
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A chance of rain before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a temperature falling to around 59 by 4pm. Southwest wind around 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Tonight
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Showers likely, mainly before 8pm. Cloudy, with a low around 56. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible. |
Thursday
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A 10 percent chance of showers before 7am. Partly sunny, with a high near 68. North northeast wind around 10 mph, with gusts as high as 20 mph. |
Thursday Night
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Mostly cloudy, with a low around 55. North northeast wind 5 to 10 mph. |
Friday
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A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 74. Northeast wind around 5 mph, with gusts as high as 10 mph. |
Friday Night
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A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55. |
Saturday
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A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. |
Saturday Night
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Partly cloudy, with a low around 53. |
Sunday
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A chance of showers after 1pm. Mostly sunny, with a high near 78. |
Sunday Night
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A chance of showers. Partly cloudy, with a low around 58. |
Monday
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A chance of showers. Mostly sunny, with a high near 74. |
Monday Night
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Mostly clear, with a low around 53. |
Tuesday
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Mostly sunny, with a high near 71. |
Forecast from NOAA-NWS
for Crown Point IN.
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Weather Forecast Discussion
297
FXUS63 KLOT 041125
AFDLOT
Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
625 AM CDT Wed Jun 4 2025
.KEY MESSAGES...
- Axis of rain will shift ever so slowly southeast over the next
24 hours, ending from the northwest today into tonight.
- Much cooler temperatures today, remaining quite chilly near
the lake Thursday.
&&
.DISCUSSION...
Issued at 325 AM CDT Wed Jun 4 2025
Through Thursday:
At the surface, a slow moving northeast-southwest oriented cold
front was bisecting our CWA early this morning. A large swath of
rain is located near and mostly behind this slow moving front.
Aloft, a well defined shortwave trough was evident on water
vapor imagery moving into Missouri Ozark region. Enhanced large
scale ascent in advance of this feature should help maintain the
axis of rain in our CWA this morning as it slowly shifts
eastward. By midday, the axis of this shortwave will begin to
move east of our CWA, so anticipate a general decrease in
coverage of rainfall this afternoon. Despite the subsidence in
the wake of this shortwave, most guidance does depict a re-
development of convection, including perhaps a few
thunderstorms, near and just ahead of the cold front this
afternoon into this evening. This renewed development is
expected mostly southeast of a Valparaiso to Pontiac line across
our southeastern CWA.
In the wake of this front, winds will turn north then
northeasterly with much cooler air advecting into the area.
Overcast skies and winds off the lake will keep temperatures
particularly cool in the Chicago area, where afternoon temps
near the lake should be in the 50s today. Farther northwest
toward Rockford, some thinning of the overcast could allow
afternoon temps to rebound a bit toward 70 degrees.
Have opted to maintain some near surface smoke in the grids
well behind the front this afternoon into tonight. Latest HRRR
and RAP guidance actually suggest the northeast component to the
flow will keep the surface smoke west of our CWA. While that is
certainly plausible, confidence is pretty low and there are some
reduced VSBYs upstream over central and northern WI, so to avoid
flip flopping have maintained the smoke mention in the grids and
forecast.
Front is expected to settle solidly south of the area and should
allow for a decent day weather-wise Thursday. Cloudiness is
expected to at least partially clear, especially northern CWA,
though there is the smoke wildcard, which could end up filtering
sunshine again Thursday. Away from Lake Michigan, temperatures
should rebound into the 70s, though right along the immediate
shoreline it will be a battle for temps to even reach the 60
degree mark.
- Izzi
Thursday Night through Tuesday:
Consensus forecast guidance continues to favor mostly dry
conditions for at least the north half of the forecast area on
Friday. Energy from a southwest U.S. upper-level low will
traverse a stalled front across southern IL/IN Thursday night
through Friday, ultimately focusing much of the precip south of
the CWA. However, with some GEFS members and deterministic
guidance bringing a mid-level deformation axis solidly across
central Illinois, will maintain chance PoPs for rain primarily
well south of I-80 Friday afternoon and evening.
High pressure across the Upper Mississippi River Valley on
Saturday will produce seasonable conditions and dry weather. An
upper-level low over the far northern Great Lakes will then push
a cold front with the potential for showers and a few storms
across the area Sunday afternoon and evening. Will need to
monitor for a low-end severe storm risk with gusty winds as
decent effective shear counteracts marginal mid-level lapse
rates.
The upper-level low will settle over the far northern Great
Lakes region early next week. A series of embedded compact waves
rotating around the low could bring diurnally-enhanced showers
Monday afternoon and possibly Tuesday afternoon conditional on
coincident timing of the waves with peak heating.
Kluber
&&
.AVIATION /12Z TAFS THROUGH 18Z THURSDAY/...
Issued at 625 AM CDT Wed Jun 4 2025
A cold front currently crossing the Chicago terminals will
result in NNE/NE winds around 10 knots through much the period.
IFR ceilings are expected to prevail this morning while RA
produces periods of MVFR visibility. Ceilings are expected to
gradually improve into MVFR levels this afternoon, with VFR
ceilings possible late in the day and tonight. However, fog may
develop over Lake Michigan and slowly advect inland this
afternoon and tonight. While diurnal heating should scatter the
lowest layer of ceilings associated with any fog during the
afternoon, IFR ceilings could return this evening and persist
into the overnight hours.
Lastly, wildfire smoke has resulted in MVFR visibility upstream
into western Wisconsin and eastern Iowa. If the higher
concentrations upstream continue to persist with time today,
lower visibility from HZ/FU may need to be included beginning
late this afternoon at the Chicago terminals. Have maintained
6SM for RFD for now, but this value would need to be lowered as
well.
Kluber
&&
.LOT WATCHES/WARNINGS/ADVISORIES...
IL...None.
IN...None.
LM...None.
&&
$$
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