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Lafayette, Indiana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Lafayette IN
National Weather Service Forecast for:
Lafayette IN
Issued by: National Weather Service Indianapolis, IN |
| Updated: 2:45 am EDT Apr 22, 2026 |
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Overnight
 Scattered T-storms
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Wednesday
 Partly Sunny then Isolated T-storms
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Wednesday Night
 Scattered Showers then Mostly Clear
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Thursday
 Sunny
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Thursday Night
 Mostly Clear then Slight Chance Showers
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Friday
 Chance Showers then Showers
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Friday Night
 Showers then Chance Showers
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Saturday
 Mostly Sunny
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Saturday Night
 Partly Cloudy
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| Lo 59 °F |
Hi 76 °F |
Lo 57 °F |
Hi 79 °F |
Lo 62 °F |
Hi 74 °F |
Lo 54 °F |
Hi 70 °F |
Lo 48 °F |
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Hazardous Weather Outlook
Overnight
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Scattered showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 59. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Wednesday
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Isolated showers and thunderstorms before 3pm, then isolated showers between 3pm and 4pm, then isolated showers and thunderstorms after 4pm. Partly sunny, with a high near 76. West southwest wind 7 to 9 mph. Chance of precipitation is 20%. |
Wednesday Night
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Scattered showers and thunderstorms before 8pm, then isolated showers between 8pm and 10pm. Partly cloudy, with a low around 57. South southwest wind 3 to 6 mph. Chance of precipitation is 30%. |
Thursday
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Sunny, with a high near 79. South southwest wind 5 to 11 mph, with gusts as high as 22 mph. |
Thursday Night
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A 20 percent chance of showers after 2am. Partly cloudy, with a low around 62. South wind around 9 mph. |
Friday
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A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 74. South southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Friday Night
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Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 54. West southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 80%. |
Saturday
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Mostly sunny, with a high near 70. North wind 6 to 9 mph. |
Saturday Night
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Partly cloudy, with a low around 48. North wind 3 to 7 mph. |
Sunday
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Mostly sunny, with a high near 73. East wind 5 to 8 mph. |
Sunday Night
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A 30 percent chance of showers. Mostly cloudy, with a low around 55. |
Monday
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Showers and thunderstorms likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%. |
Monday Night
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Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. |
Tuesday
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A 30 percent chance of showers. Partly sunny, with a high near 67. |
Forecast from NOAA-NWS
for Lafayette IN.
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Weather Forecast Discussion
979
FXUS63 KIND 220649
AFDIND
Area Forecast Discussion
National Weather Service Indianapolis IN
249 AM EDT Wed Apr 22 2026
.KEY MESSAGES...
- Scattered showers and thunderstorms today
- Isolated strong storms are possible, with gusty winds and hail,
mainly northeast
- Rain chances again Friday into Saturday and early next week
- Above normal temperatures through early next week
&&
.DISCUSSION (Today through Tuesday)...
Issued at 249 AM EDT Wed Apr 22 2026
Early This Morning...
Some upper energy is interacting with elevated moisture/instability
and producing scattered showers and thunderstorms across central
Indiana early this morning. A few of the storms are pulsing high
enough for perhaps some gusty winds/small hail.
This should continue through the predawn hours, but the focus should
gradually shift southeast as the upper energy moves southeast. Will
continue with PoPs no higher than chance category.
Today and Tonight...
A few showers or storms may linger into the daylight morning hours
across mainly the southeast forecast area as the upper energy exits.
There should then be a lull before more scattered convection
develops this afternoon. Additional upper energy plus some influence
from a cold front north of the area will help these develop. With
upper ridging trying to nudge into the southwest forecast area, will
confine PoPs to the northeast half of the area, which is also closer
to the front to the north.
Instability and shear look to be enough for an isolated strong or
severe storm, but these should be mostly confined to north and east
of central Indiana where the better parameters will exist.
Temperatures will peak in the mid to upper 70s. However, if clouds
are less numerous, then temperatures might get closer to 80,
especially southwest.
Convection should end by mid-evening with loss of instability and
with the ridging moving in. Lows will be in the 50s.
Thursday...
Upper ridging will provide quiet and warm weather Thursday, with
highs around 80.
Friday and beyond...
An upper trough rotating around an upper high across southern Canada
will bring forcing along with a surface cold front on Friday.
Moisture will flow north from the Gulf into this system, so will go
high PoPs on Friday.
Much of Saturday and all of Sunday should be dry with high pressure
building in.
Early next week, a stronger upper trough will move into the area,
bringing a low pressure system and another cold front. This will
bring more rain to the area. Present indications that Monday will
have the highest chances for rain.
Only slightly cooler air will be behind the first front, so above
normal temperatures will continue into the weekend. Cooler, but
still close to normal, temperatures will return after Monday`s
front.
&&
.AVIATION (06Z TAF Issuance)...
Issued at 107 AM EDT Wed Apr 22 2026
Impacts:
- Scattered showers and some thunderstorms at times through
Wednesday
- LLWS continues through early morning
- MVFR ceilings developing Wednesday morning
- Wind gusts around 20kt Wednesday afternoon
Discussion:
An upper disturbance will continue to generate scattered showers and
a few thunderstorms overnight, with coverage gradually diminishing
by late in the overnight. More scattered convection may develop
Wednesday afternoon, mainly around the northern sites.
MVFR ceilings will develop by 12Z or so at the northern sites as the
atmosphere moistens up some. This will lift/break up by afternoon.
&&
.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
AVIATION...50
DISCUSSION...50
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