Georgetown, Michigan 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Jenison MI
National Weather Service Forecast for:
Jenison MI
Issued by: National Weather Service Grand Rapids, MI |
Updated: 4:03 pm EDT Jun 26, 2025 |
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This Afternoon
 Slight Chance T-storms
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Tonight
 Chance T-storms
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Friday
 Chance T-storms
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Friday Night
 Slight Chance Showers
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Saturday
 Sunny
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Saturday Night
 Mostly Clear
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Sunday
 Hot
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Sunday Night
 Chance T-storms
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Monday
 Chance Showers then Chance T-storms
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Hi 89 °F |
Lo 72 °F |
Hi 83 °F |
Lo 62 °F |
Hi 81 °F |
Lo 62 °F |
Hi 91 °F |
Lo 69 °F |
Hi 86 °F |
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Hazardous Weather Outlook
This Afternoon
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A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89. Heat index values as high as 96. West southwest wind around 8 mph. |
Tonight
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A 40 percent chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 72. Calm wind becoming southeast around 5 mph after midnight. |
Friday
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A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. West southwest wind 7 to 11 mph, with gusts as high as 23 mph. |
Friday Night
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A 20 percent chance of showers before 2am. Partly cloudy, with a low around 62. West northwest wind 5 to 7 mph becoming calm in the evening. |
Saturday
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Sunny, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon. |
Saturday Night
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Mostly clear, with a low around 62. |
Sunday
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Sunny and hot, with a high near 91. |
Sunday Night
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A chance of showers and thunderstorms. Partly cloudy, with a low around 69. |
Monday
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A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. |
Monday Night
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A chance of thunderstorms before 8pm. Mostly clear, with a low around 65. |
Tuesday
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Sunny, with a high near 83. |
Tuesday Night
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Mostly clear, with a low around 63. |
Wednesday
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Sunny, with a high near 84. |
Forecast from NOAA-NWS
for Jenison MI.
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Weather Forecast Discussion
955
FXUS63 KGRR 261818
AFDGRR
Area Forecast Discussion
National Weather Service Grand Rapids MI
218 PM EDT Thu Jun 26 2025
.KEY MESSAGES...
- Highest Chances for Rain will be Friday and Monday
&&
.DISCUSSION...
Issued at 217 PM EDT Thu Jun 26 2025
Diurnally-enhanced convection along a warm front will persist
into this evening then should diminish overnight. More storms will
fire up on Friday in the warm sector and ahead/along a cold front
as a sfc low tracks across northern Lower Michigan. The front
clears southeast zones late Friday night with a brief period of
fair weather and lower dew points into Sunday morning.
By Sunday afternoon, return flow is already setting up as a
shortwave trough embedded in zonal flow moves from the Plains
into the Great Lakes. Dew points surge back into the 70s by Monday
with a cold front arriving by afternoon. Instability is
sufficient for enhanced thunderstorm coverage but deep layer
shear is only around 20 to 25 knots, so storms may be more of the
pulse variety.
Dew points behind the front fall into the 50s to lower 60s for
Tuesday through Thursday offering a break from the recent
oppressive humidity. Long range indications are for the
possibility of some storminess on the 4th, but confidence is low
in the details.
&&
.AVIATION /18Z TAFS THROUGH 18Z FRIDAY/...
Issued at 139 PM EDT Thu Jun 26 2025
An unstable airmass exists across the region this afternoon. A
frontal boundary stretches across the cwa just north of I-96 where
dewpoints are in the 60s; 70s south of there.
Showers and storms are moving across the southern terminals where
strong winds/microbursts will be possible this afternoon.
More storms are expected to develop over Wisconsin tonight and
then move east as the aforementioned frontal boundary begins to
lift north. This may result in more convective development; we
included a PROB30 mention for that potential.
&&
.MARINE...
Issued at 139 PM EDT Thu Jun 26 2025
Waves will build to around 2 feet north of Holland Friday
afternoon. Otherwise waves will generally be less than 2 feet for
the next couple of days.
Thunderstorms remain a possibility this afternoon and again Friday
afternoon.
&&
.GRR WATCHES/WARNINGS/ADVISORIES...
MI...None.
MARINE...None.
&&
$$
DISCUSSION...Ostuno/RAH/Thomas
AVIATION...04
MARINE...RAH
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