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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: 12:46 pm EDT Jun 22, 2026 |
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This Afternoon
 Mostly Cloudy
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Tonight
 Partly Cloudy
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Tuesday
 Sunny
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Tuesday Night
 Mostly Clear
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Wednesday
 Mostly Sunny then Chance Showers
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Wednesday Night
 Chance T-storms
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Thursday
 Slight Chance T-storms
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Thursday Night
 Mostly Cloudy then Slight Chance Showers
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Friday
 Slight Chance Showers then Slight Chance T-storms
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| Hi 72 °F |
Lo 53 °F |
Hi 76 °F |
Lo 55 °F |
Hi 78 °F |
Lo 62 °F |
Hi 79 °F |
Lo 59 °F |
Hi 78 °F |
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This Afternoon
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Mostly cloudy, with a high near 72. North northeast wind around 11 mph, with gusts as high as 23 mph. |
Tonight
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Partly cloudy, with a low around 53. North wind 5 to 9 mph becoming calm after midnight. |
Tuesday
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Sunny, with a high near 76. Calm wind becoming north around 5 mph. |
Tuesday Night
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Mostly clear, with a low around 55. Calm wind. |
Wednesday
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A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon. |
Wednesday Night
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A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind around 5 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Thursday
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A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind 3 to 8 mph. |
Thursday Night
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A 20 percent chance of showers after 2am. Partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening. |
Friday
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A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 78. Calm wind. Chance of precipitation is 20%. |
Friday Night
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A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Calm wind. |
Saturday
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A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. |
Saturday Night
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A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. |
Sunday
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A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. |
Forecast from NOAA-NWS
for Lafayette IN.
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Weather Forecast Discussion
616
FXUS63 KIND 221637
AFDIND
Area Forecast Discussion
National Weather Service Indianapolis IN
Issued by National Weather Service Northern Indiana
1237 PM EDT Mon Jun 22 2026
.KEY MESSAGES...
- Remaining cloudy and cool with patchy drizzle in spots this
afternoon.
- 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.
&&
.DISCUSSION (Today through Sunday)...
Issued at 237 AM EDT Mon Jun 22 2026
Early This Morning...
Isolated to perhaps scattered thunderstorms will continue mainly
across the far southern forecast area for the next couple of hours
as the surface low moves across central Indiana. Storms had been
rotating a bit given the shear remaining in the area, but overall
odds of severe storms remains low with continuing loss of
instability.
Otherwise, scattered showers will increase in coverage some,
especially north where forcing will increase in the wrap around
behind the surface low.
Today...
Forcing behind the surface low along with an associated surface
trough will keep chances for showers around especially east and
south. Coverage is expected to be low enough to keep PoPs no higher
than chance category. There might be an isolated storm in the far
east and southeast where instability lingers, but no severe storms
are expected.
Clouds will likely hang around for much of the day, so will lower
guidance highs and keep highs mainly in the lower 70s.
Tonight through Tuesday night...
Quiet weather will be the rule during this period with high pressure
moving through. Below normal temperatures will continue, with lows
in the 50s and highs in the middle 70s to around 80.
Wednesday and Thursday...
An upper wave and weaker surface system will bring a return of
chances for showers and thunderstorms. Given expected forcing, kept
PoPs in the chance category. Temperatures will remain below normal,
but will edge closer to normal values.
Friday and beyond...
A stronger upper trough will interact with a lingering surface front
to produce more widespread rain Friday into Saturday. However, there
remains some uncertainty in the timing and location of the best
forcing. Will go high chance to low likely category PoPs during this
period. Moisture levels will increase with this system, so rainfall
amounts over an inch are possible.
The surface front will linger in the area Sunday into Monday, so
there may be some rain around. Upper heights will be rising as a
ridge builds in, so this might help keep coverage low.
If the ridge builds in as forecast, high temperatures will become
above normal. Combined with the expected dewpoints, heat indices in
the middle and upper 90s are possible by Monday.
&&
.AVIATION (18Z TAF Issuance)...
Issued at 1237 PM EDT Mon Jun 22 2026
Impacts:
- Gusty north winds to around 20 kts this afternoon
- Patchy drizzle possible early this afternoon at KIND and KBMG
- IFR/MVFR ceilings this afternoon will give way to VFR conditions
and light northerly winds tonight into Tuesday.
Discussion:
Greater diurnal mixing, and gradual infiltration of drier air in
this post-frontal air mass, will allow IFR to low MVFR ceilings
to gradually improve this afternoon, with scattering to VFR
anticipated toward 00z. VFR with light northerly winds thereafter
into tonight and Tuesday.
&&
.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
AVIATION...Steinwedel
DISCUSSION...50
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