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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 pm EDT May 27, 2026 |
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Tonight
 Mostly Clear
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Thursday
 Sunny
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Thursday Night
 Partly Cloudy
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Friday
 Mostly Sunny
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Friday Night
 Partly Cloudy
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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
 Partly Cloudy
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| Lo 59 °F |
Hi 81 °F |
Lo 55 °F |
Hi 79 °F |
Lo 56 °F |
Hi 81 °F |
Lo 55 °F |
Hi 79 °F |
Lo 57 °F |
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Tonight
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Mostly clear, with a low around 59. East wind around 5 mph becoming calm in the evening. |
Thursday
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Sunny, with a high near 81. Northeast wind 5 to 8 mph. |
Thursday Night
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Partly cloudy, with a low around 55. East northeast wind 3 to 6 mph. |
Friday
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Mostly sunny, with a high near 79. Light east wind. |
Friday Night
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Partly cloudy, with a low around 56. Calm wind. |
Saturday
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Sunny, with a high near 81. Calm wind becoming east northeast 5 to 7 mph in the afternoon. |
Saturday Night
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Partly cloudy, with a low around 55. East wind around 7 mph. |
Sunday
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Mostly sunny, with a high near 79. East wind 3 to 5 mph. |
Sunday Night
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Partly cloudy, with a low around 57. Calm wind. |
Monday
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Sunny, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. |
Monday Night
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Mostly clear, with a low around 57. |
Tuesday
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Sunny, with a high near 78. |
Tuesday Night
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Mostly clear, with a low around 55. |
Wednesday
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Sunny, with a high near 79. |
Forecast from NOAA-NWS
for Lafayette IN.
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Weather Forecast Discussion
160
FXUS63 KIND 271851
AFDIND
Area Forecast Discussion
National Weather Service Indianapolis IN
251 PM EDT Wed May 27 2026
.KEY MESSAGES...
- Scattered to numerous showers and storms at times today
- Locally heavy rainfall possible today
- Above normal temperatures expected through Thursday.
- Mainly dry weather expected from Thursday onward.
&&
.DISCUSSION (This evening through Wednesday)...
Issued at 250 PM EDT Wed May 27 2026
Today through tonight...
Surface low pressure located roughly over Knox County, per visible
satellite imagery, is slowly moving eastward today. A surface trough
extends from the low eastward into Ohio. This has been the source
of numerous showers and thunderstorms this morning. Shower activity
had largely diminished earlier this afternoon, however, as upper-
level support exits eastward. Nevertheless, showers have once again
begun slowly intensifying as sunshine warms the boundary layer
leading to some weak instability.
ACARS soundings out of IND show meager lapse rates but rich moisture
throughout the column. A deep warm cloud layer has lead to high
efficiency rainfall production, and heavy rainfall rates have been
observed (2 to 3 inches have fallen in a few localized areas).
Though shower/storm activity is less numerous than earlier, some
very localized totals of 1 to 2 inches are possible this afternoon.
Guidance shows surface low pressure weakening and drifting east this
evening, taking any lingering showers/storms with it. Clearing skies
are expected tonight as high pressure builds in from the north. This
process may take some time, and low-level moisture from today`s
rainfall may take most of the night to scour out. If skies clear
soon enough, and dry air from the high doesn`t arrive until morning,
then fog may develop tonight. Locally dense fog is possible.
Thursday through early next week...
Long range guidance continues to depict an Omega Block pattern
developing aloft with ridging centered over the central CONUS and
central portions of Canada. Meanwhile, surface high pressure builds
into the region from the north. This will promote dry weather
conditions late this week through early next week. Expect another
warm day Thursday in the low 80s with highs then holding nearly
steady in the mid to upper 70s through early next week.
A few models have hinted at the ridge retrograding slightly,
allowing for a shortwave to move in aloft early next week. These
solutions are outliers, but this will continue to be monitored as
this could impact temperatures. Precipitation still appears very
unlikely during the period.
&&
.AVIATION (18Z TAF Issuance)...
Issued at 222 PM EDT Wed May 27 2026
Impacts:
- MVFR ceilings at HUF/IND/BMG improving to VFR later today. Brief
period of IFR visibility possible within heavier showers
- Scattered to numerous showers and storms expected at most sites
through around 00z
Discussion:
Near MVFR to MVFR ceilings are ongoing at all central Indiana sites
this afternoon, but will improve to solidly VFR towards late this
evening. Scattered to numerous showers and isolated thunderstorms
are ongoing at all sites this afternoon except LAF. Isolated IFR
visibilities are possible within stronger showers. Look for MVFR
ceilings to then scatter out Wednesday afternoon.
Winds are expected to be lighter and somewhat variable at times, but
the wind direction should predominately be east-northeasterly for
most sites except BMG. Patchy fog is also possible during the early
morning hours, mainly across the southern half of the forecast area,
but not enough confidence to include in tafs at this time.
&&
.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
AVIATION...KF
DISCUSSION...Melo/Eckhoff
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