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Lafayette, Indiana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Lafayette IN
National Weather Service Forecast for: Lafayette IN
Issued by: National Weather Service Indianapolis, IN
Updated: 2:26 pm EDT May 26, 2026
 
This
Afternoon
This Afternoon: Mostly cloudy, with a high near 82. East southeast wind around 5 mph.
Mostly Cloudy

Tonight

Tonight: A slight chance of showers and thunderstorms between 3am and 5am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
T-storms
Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 59. Light and variable wind.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 81. Northeast wind 5 to 8 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 55. East northeast wind 3 to 6 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 80. East wind 3 to 5 mph.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 56. Calm wind.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.
Mostly Sunny

Hi 82 °F Lo 62 °F Hi 80 °F Lo 59 °F Hi 81 °F Lo 55 °F Hi 80 °F Lo 56 °F Hi 81 °F

Hazardous Weather Outlook
 

This Afternoon
 
Mostly cloudy, with a high near 82. East southeast wind around 5 mph.
Tonight
 
A slight chance of showers and thunderstorms between 3am and 5am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Wednesday
 
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
 
Mostly clear, with a low around 59. Light and variable wind.
Thursday
 
Sunny, with a high near 81. Northeast wind 5 to 8 mph.
Thursday Night
 
Mostly clear, with a low around 55. East northeast wind 3 to 6 mph.
Friday
 
Sunny, with a high near 80. East wind 3 to 5 mph.
Friday Night
 
Partly cloudy, with a low around 56. Calm wind.
Saturday
 
Mostly sunny, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 56. East northeast wind around 6 mph.
Sunday
 
Sunny, with a high near 78.
Sunday Night
 
Partly cloudy, with a low around 55.
Monday
 
Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Lafayette IN.

Weather Forecast Discussion
484
FXUS63 KIND 261711
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
111 PM EDT Tue May 26 2026

.KEY MESSAGES...

- Increasing rain chances this afternoon into tonight with
  additional convection possible on Wednesday

- Localized flash flooding possible tonight through Wednesday

- Above normal temperatures expected through Thursday.

- Mainly dry weather expected from Thursday onward.

&&

.FORECAST UPDATE...
Issued at 854 AM EDT Tue May 26 2026

A challenging forecast lies ahead as a mid level vort max pushes
northward, impinging on a broad area of high pressure. This will
likely lead to a dichotomy of weather conditions across the forecast
area, with slightly warmer and dry surface conditions expected over
far N/NW central Indiana, with the rest of central Indiana slightly
cooler with rising dew points throughout the day. Clouds will likely
remain over most of the area, with a few pockets of sunshine likely
over that same N/NW portion of the area.

Changes to the forecast including a slightly stronger gradient along
the threshold of the two aforementioned airmasses and milder
temperatures along and south of the I-70 corridor as thicker cloud
cover and pockets of rain move in this afternoon.

&&

.DISCUSSION (Today through Monday)...
Issued at 308 AM EDT Tue May 26 2026

Today through Wednesday...

Expect quiet weather conditions to start the day as surface high
pressure remains near the region. The surface high will shift
eastward today while a wave aloft and associated weak surface low
lift north this afternoon. These features along with an anomalously
moist airmass surging northward supports increasing rain chances
this afternoon into the overnight hours. Subsidence induced dry air
will delay onset of precipitation initially, especially with
northward extent.

Rain chances are mainly confined to south-central IN before sunset
this evening. Rain chances then spread over much of the forecast
area overnight as deeper moisture surges north. Guidance suggest the
disturbance stalls across central IN late tonight before a more
organized shortwave moving in from the northwest late Wednesday
eventually pushes it southeastward out of the area. Daytime heating
atop the anomalously moist PBL favors additional convective
development on Wednesday.

Severe weather is not expected due to relatively weak deep-layer
shear, but a strong storm cannot be ruled out if sufficient
destabilization occurs. Forecast soundings depict a deep warm cloud
layer, PWATs near the 99th percentile for climatology, and long
skinny modest CAPE profiles which suggest efficient rainfall rates
are likely with any convection that develops. This along with
relatively slow storms motions as the disturbance or associated
boundary stalls and some potential for training could lead to
localized flash flooding. Look for above normal highs generally
in the upper 70s to low 80s.

Wednesday night through early next week...

Look for rain chances to quickly diminish as a disturbance moves out
of the area Wednesday evening. Long range guidance depicts 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. The stagnant mundane weather pattern could continue beyond day
7. 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.

&&

.AVIATION (18Z TAF Issuance)...
Issued at 111 PM EDT Tue May 26 2026

Impacts:

- Chance of showers this evening (KBMG), with widespread showers
  later tonight (KBMG/KIND/KHUF)

- MVFR this evening at most sites; IFR possible at KBMG

Discussion:

High clouds will remain throughout the afternoon with low clouds
pushing in from the south. MVFR ceilings will likely begin shortly
at KBMG, reaching KHUF and KIND this evening. As showers push
further north, IFR ceilings will be possible at KBMG. Lesser
confidence in MVFR ceilings at KLAF, with some potential after 08Z.

Showers are possible this afternoon primarily at KBMG, but better
chances for rain spread north tonight. Banded rainfall is expected
to set up near KIND overnight where thunder will be possible. This
area of showers and storms will push to the S/E over time, with
possible impacts to KBMG between 12-18Z tomorrow.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

UPDATE...Updike
AVIATION...Updike
DISCUSSION...Melo
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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