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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: 1:45 am EDT Jun 23, 2026
 
Overnight

Overnight: Mostly clear, with a low around 53. Calm wind.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 75. North wind 3 to 7 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 53. North wind around 5 mph becoming calm  in the evening.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 78. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 62. South southwest wind 3 to 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Thursday

Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 80. West southwest wind 3 to 6 mph.  Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.  Mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 60%.
Showers
Likely

Friday

Friday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 78. Light east northeast wind.  Chance of precipitation is 60%.
Showers
Likely

Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 64. Light east wind.  Chance of precipitation is 60%.
Showers
Likely

Lo 53 °F Hi 75 °F Lo 53 °F Hi 78 °F Lo 62 °F Hi 80 °F Lo 62 °F Hi 78 °F Lo 64 °F

 

Overnight
 
Mostly clear, with a low around 53. Calm wind.
Tuesday
 
Sunny, with a high near 75. North wind 3 to 7 mph.
Tuesday Night
 
Mostly clear, with a low around 53. North wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 78. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
 
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 62. South southwest wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. West southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday Night
 
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%.
Friday
 
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Light east northeast wind. Chance of precipitation is 60%.
Friday Night
 
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. Light east wind. Chance of precipitation is 60%.
Saturday
 
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
 
A 10 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
 
Partly cloudy, with a low around 72.
Monday
 
Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Lafayette IN.

Weather Forecast Discussion
771
FXUS63 KIND 230505
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
105 AM EDT Tue Jun 23 2026

.KEY MESSAGES...

- Temperatures will trend from slightly below normal to near
  normal through Saturday.

- There are periodic chances for showers and storms late Wednesday
  through Saturday.

- Potential for above normal temperatures (hot and humid conditions)
  by early next week.

&&

.FORECAST UPDATE...
Issued at 959 PM EDT Mon Jun 22 2026

Conditions evolving as expected so far this evening as perhaps the
early summer`s last small blast of southern Canadian surface high
pressure builds southeastward into central Indiana.  Clouds will
continue to diminish as ceilings rise through the early overnight,
with mostly clear skies expected by pre-dawn.  Patchy fog will
limit visibility in a few areas, especially south of I-70 where heavy
to extreme rainfall last night has kept soils damp.  Light northerly
winds will allow readings to fall easily through the 60s...into the
low 50s near Lafayette to upper 50s south of the I-70 corridor.

&&

.DISCUSSION (This afternoon through Monday)...
Issued at 152 PM EDT Mon Jun 22 2026

This Afternoon through Tuesday...

Low clouds and patchy drizzle linger through at least the mid
afternoon hours today near a lingering 925-850 mb trough axis. This
feature shifts off to the southeast by early this evening with
clouds scattering out as drier air advects in from northwest to
southeast. Ridging through the column then provides the area with
pleasant wx into Tuesday with ample sunshine and temperatures
slightly below seasonal norms.

Wednesday into Thursday...

A shortwave tracking east into the Great Lakes will drag a cold
front slowly southeast through the area late Wednesday into Thursday
with chances for showers and a few storms. More pronounced forcing
likely bypasses north and overall moisture return is not all that
impressive. Thus, have held PoPs mainly in the low to mid chance
range during these periods. Temperatures and humidity levels will
remain slightly below seasonal averages otherwise.

Friday through Monday...

Thursday`s front will stall out in the vicinity of the Ohio River by
Friday and Saturday with several convectively aided shortwaves
tracking through in quasi-zonal flow. The result will be periodic
rain/storm chances during these days, though confidence remains low
as any convective complexes will modulate where the instability axis
will set up for convection to organize. Ensemble and deterministic
model solutions then continue to point toward a hotter/muggy pattern
Sunday into early next week as upper level ridging expands northward
into the Ohio Valley and Great Lakes.

&&

.AVIATION (06Z TAF Issuance)...
Issued at 105 AM EDT Tue Jun 23 2026

Impacts:

- Brief visibility restrictions possible at KBMG predawn through
  daybreak

Discussion:

Remnant clouds have largely diminished early this morning as high
pressure expands into the region from the northwest. Cannot rule out
patchy fog impacting KBMG over the next several hours through
daybreak otherwise mostly clear skies are expected with light N/NW
winds.

Drier air will advect into the region later today but subtle
convergence lingering across the eastern half of central Indiana may
promote scattered diurnal cu development for this afternoon. Cu will
dissipate this evening. Northerly winds to around 10kts later
today will diminish to 5kts or less this evening.

&&

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

&&

$$

UPDATE...AGM
AVIATION...Ryan
DISCUSSION...Steinwedel
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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