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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: 5:15 am EDT Apr 23, 2026 |
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Today
 Sunny
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Tonight
 Partly Cloudy
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Friday
 Showers Likely then Showers
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Friday Night
 Showers then Slight Chance Showers
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Saturday
 Sunny
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Saturday Night
 Partly Cloudy
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Sunday
 Mostly Sunny
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Sunday Night
 Mostly Cloudy then Chance Showers
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Monday
 Showers
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| Hi 80 °F |
Lo 62 °F |
Hi 73 °F |
Lo 51 °F |
Hi 69 °F |
Lo 48 °F |
Hi 72 °F |
Lo 56 °F |
Hi 73 °F |
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Hazardous Weather Outlook
Today
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Sunny, with a high near 80. Light south southwest wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 23 mph. |
Tonight
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Partly cloudy, with a low around 62. South wind around 8 mph. |
Friday
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Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. 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 possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 51. West wind around 7 mph becoming north northwest after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Saturday
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Sunny, with a high near 69. North wind 6 to 8 mph. |
Saturday Night
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Partly cloudy, with a low around 48. North wind 5 to 7 mph. |
Sunday
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Mostly sunny, with a high near 72. East wind 6 to 8 mph. |
Sunday Night
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A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 56. East wind 7 to 9 mph, with gusts as high as 20 mph. |
Monday
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A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. South southeast wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. |
Monday Night
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Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 54. South wind 11 to 13 mph becoming west southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. |
Tuesday
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A 30 percent chance of showers. Mostly sunny, with a high near 68. |
Tuesday Night
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Partly cloudy, with a low around 47. |
Wednesday
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Mostly sunny, with a high near 65. |
Forecast from NOAA-NWS
for Lafayette IN.
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Weather Forecast Discussion
169
FXUS63 KIND 230658
AFDIND
Area Forecast Discussion
National Weather Service Indianapolis IN
258 AM EDT Thu Apr 23 2026
.KEY MESSAGES...
- Rain and thunder chances Friday and Friday night. Isolated strong
to marginally severe storms are possible Friday afternoon.
- More showers and storms will return Monday, with a greater
chance for severe weather at that time.
- Near to above normal temperatures through early next week.
&&
.DISCUSSION (Today through Wednesday)...
Issued at 258 AM EDT Thu Apr 23 2026
Today...
An old boundary is keeping clouds and some isolated
showers/sprinkles near the far northeast forecast area early this
morning. This boundary may linger in the predawn hours, but then it
should get pushed off to the northeast. Odds of rain though are low
enough to keep a dry forecast.
Otherwise, upper ridging will bring dry and warm conditions. A few
to scattered cumulus may pop up, and high clouds will pass through
at times. Based on recent performance, nudged up guidance for highs,
which are forecast to be in the lower 80s. Mixing will likely drive
dewpoints down below guidance. The mixing will also bring wind gusts
near 25 mph this afternoon.
Tonight through Friday...
Much of the night will be quiet. However, late tonight into Friday
an upper trough will rotate around an upper low and bring forcing
along with a cold front to the area. Moisture arriving on southwest
winds will be adequate enough for rain.
However, there remain questions on storm coverage and intensity on
Friday. The initial round of showers and storms will likely be
diurnally weakening as they move in early on Friday. Some of the
rain may dissipate as it moves east if it weakens enough.
Afternoon heating may allow what`s left of the convection to
increase in coverage and intensify before it exits the area to the
east, or new convection may develop on leftover boundaries and
additional forcing from the front.
This additional development and intensity will also be influenced by
residual cloud cover from the morning rain. If clouds clear enough,
instability may be enough to interact with decent but weakening
winds aloft to cause an isolated strong to marginally severe storm
across the eastern forecast area. The threat would be damaging winds.
Since there are a number of caveats, confidence in coverage of
convection as well as intensity of convection is lower than average.
Will keep the high guidance PoPs for now, but these may need to be
lowered at some point.
Saturday and Sunday...
Surface high pressure will provide quiet weather this weekend. Highs
will be in the 70s.
Monday and beyond...
Another upper trough and surface cold front will move through on
Monday. This system will be stronger than the ones before and may
produce some severe weather depending on exactly how things
progress. Both analogs and machine learning forecasts are showing a
threat for severe across central Indiana.
Another cold front will bring more rain chances to the area
Wednesday into Thursday.
Temperatures will be warmer than normal on Monday, but closer to
normal or a little below normal readings will occur Tuesday into
Thursday.
There remains the potential for much cooler temperatures to open May.
&&
.AVIATION (06Z TAF Issuance)...
Issued at 1245 AM EDT Thu Apr 23 2026
Impacts:
- Wind gusts around 20kt this afternoon
Discussion:
VFR conditions are expected through the period. However, there is a
nonzero chance for brief ground fog at KLAF near sunrise.
Some cumulus will pop up this afternoon, otherwise high clouds will
move through from time to time. Winds will increase during the
morning, with gusts to around 20kt expected this afternoon.
&&
.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
AVIATION...50
DISCUSSION...50
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