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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: 12:31 am EDT Apr 7, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 29. North northeast wind 8 to 10 mph.
Partly Cloudy

Tuesday

Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 46. Northeast wind around 8 mph.
Becoming
Sunny
Tuesday
Night
Tuesday Night: Increasing clouds, with a low around 34. East wind around 7 mph.
Increasing
Clouds
Wednesday

Wednesday: Partly sunny, with a high near 65. South wind 7 to 11 mph, with gusts as high as 22 mph.
Partly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 53. South wind 9 to 11 mph, with gusts as high as 23 mph.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 72. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Mostly Sunny

Thursday
Night
Thursday Night: A 30 percent chance of rain after 2am.  Mostly cloudy, with a low around 55. South wind around 7 mph.
Mostly Cloudy
then Chance
Rain
Friday

Friday: A chance of rain, then rain likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 68. South southwest wind 7 to 10 mph.  Chance of precipitation is 60%.
Rain Likely

Friday
Night
Friday Night: Rain likely and possibly a thunderstorm before 8pm, then a chance of rain.  Mostly cloudy, with a low around 47. North northeast wind around 6 mph.  Chance of precipitation is 60%.
Rain Likely
then Chance
Rain
Lo 29 °F Hi 46 °F Lo 34 °F Hi 65 °F Lo 53 °F Hi 72 °F Lo 55 °F Hi 68 °F Lo 47 °F

Flood Warning
Hazardous Weather Outlook
Freeze Warning
 

Overnight
 
Partly cloudy, with a low around 29. North northeast wind 8 to 10 mph.
Tuesday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 46. Northeast wind around 8 mph.
Tuesday Night
 
Increasing clouds, with a low around 34. East wind around 7 mph.
Wednesday
 
Partly sunny, with a high near 65. South wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
 
Partly cloudy, with a low around 53. South wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday
 
Mostly sunny, with a high near 72. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Thursday Night
 
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 55. South wind around 7 mph.
Friday
 
A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 68. South southwest wind 7 to 10 mph. Chance of precipitation is 60%.
Friday Night
 
Rain likely and possibly a thunderstorm before 8pm, then a chance of rain. Mostly cloudy, with a low around 47. North northeast wind around 6 mph. Chance of precipitation is 60%.
Saturday
 
A 20 percent chance of rain before 2pm. Mostly sunny, with a high near 68. East wind around 7 mph.
Saturday Night
 
A 20 percent chance of rain. Mostly cloudy, with a low around 55.
Sunday
 
A 20 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
 
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 65.
Monday
 
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 79.

 

Forecast from NOAA-NWS for Lafayette IN.

Weather Forecast Discussion
421
FXUS63 KIND 070145
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
945 PM EDT Mon Apr 6 2026

.KEY MESSAGES...

- Drier and cooler weather through Tuesday

- Freeze Warning in effect for northern half of central Indiana late
  tonight into Tuesday morning, frost development possible further
  south though confidence is limited

- Warming trend begins Wednesday and continues through next weekend

- Isolated to scattered rain chances return Thursday onward, which
  may bring receding rivers back into flood in some areas

&&

.FORECAST UPDATE...
Issued at 944 PM EDT Mon Apr 6 2026

Forecast is on track this evening. Some scattered lower clouds are
lingering in the far northeast, but satellite shows extensive mid
and high clouds just west of the area across Illinois.

The clouds to the west will try to overspread the area, but some
erosion will continue on the eastern end with drier air in place
aloft. Meanwhile, some clouds ahead of the cold front will push into
the northern forecast area. Went with an average of partly cloudy
skies most areas tonight.

With cold advection behind the cold front, still believe areas in
the Freeze Warning will get to 32 or below, even if some clouds are
across parts of that area.

Cannot rule out some frost south of the Freeze Warning, but there
are a few things working against it. First, much of this area
currently has very dry air in place. Second, winds are going to
remain up a bit. Finally, at least some cloud cover will be around.
While some frost may form in favored cold areas (which usually are
protected from the wind), feel that coverage of frost won`t be high
enough for an Advisory.

Forecast low temperatures look reasonable so only made a few tweaks.

&&

.SHORT TERM (This evening through Thursday)...
Issued at 252 PM EDT Mon Apr 6 2026

Mostly quiet weather conditions are expected through the middle of
this week under the influence of a Canadian surface high. Winds are
currently gusting between 20-30 mph due to deep mixing and sunny
skies ahead of the building surface high. Look for these gusts to
diminish towards or shortly after sunset once mixing is cutoff.
Cooler conditions will continue through Tuesday thanks to cold air
advection before the high pressure then shifts eastward allowing
temperatures to quickly warm up. Highs in the mid 40s to low 50s
Tuesday should warm well into the 60s by Wednesday and possibly
near 70F for far SW counties.

A Freeze Warning is in effect late tonight into Tuesday for the
northeast half of central IN, from 2 to 10AM Tuesday. as
temperatures at or below freezing are likely. The Freeze Warning
does include the Indianapolis metro, but nearby surrounding areas
could remain above freezing due to urban heat island effects. Frost
development is possible further south, but there are a few limiting
factors. Winds remaining slightly elevated, increasing clouds late
overnight, and relatively marginal temperatures leads to lower
confidence on frost potential. Some patchy frost still appears
possible and more widespread frost formation cannot be ruled out if
radiational cooling conditions become more favorable.

Make sure to cover any sensitive outdoor plants, even those not
included in the Freeze warning due to some potential for frost.
There is additional frost/freeze potential Tuesday night as lows
will be in the low-mid 30s. The freeze potential is mainly confined
to far eastern counties where temperatures could fall to 29-32
degrees. Winds remaining slightly elevated and additional clouds
moving in overnight limits confidence for the frost/freeze potential
once again.

An approaching system Thursday will promote breezy conditions. Dry
weather should persist due to lingering subsidence induced dry air
across the area. Rain chances return later in the week with more
details regarding this in the long term discussion.

&&

.LONG TERM (Thursday night through Monday)...
Issued at 252 PM EDT Mon Apr 6 2026

Expectation for late this week into the weekend remains a return to
above normal temperatures and a potential return to active weather.

The strong Canadian high will be off the east coast by 00Z Friday,
with a northern stream low near James Bay and moving rapidly
eastward. An elongated cold front stretching from this low back to
the central high Plains will stall somewhere near the region late
week and may produce multiple opportunities for convection, though
model disagreement precludes more than chance PoPs. Potential will
exist for multiple rounds of precipitation, which could prolong or
exacerbate ongoing flooding on main stem rivers given antecedent
conditions as a result of the wet weather in recent weeks.
Hydrologic ensembles do show renewed river rises next weekend in
response to this potential rainfall, though a mostly dry week will
help to hopefully blunt these impacts a bit.

There is little to indicate significant severe threats during the
latter portion of the forecast, and this is backed up by
experimental machine learning guidance. That said, week two outlooks
continue to indicate enhanced likelihood of warmer than normal and
above normal precipitation conditions, thus we may well be back in
an active pattern for mid to late April.

&&

.AVIATION (00Z TAF Issuance)...
Issued at 641 PM EDT Mon Apr 6 2026

Impacts:

- Winds becoming northeast overnight

Discussion:

Wind gusts will diminish near or not long after valid time. As a
cold front moves through tonight, winds will veer to the northeast.
A few gusts around 20kt are possible as the front passes.

Some cumulus will linger into the evening, and some scattered clouds
around 3-4000FT will be possible with the front, especially at KLAF.
Otherwise, mid and high clouds will be across most sites overnight
into Tuesday.


&&

.IND WATCHES/WARNINGS/ADVISORIES...
Freeze Warning from 2 AM to 10 AM EDT Tuesday for INZ021-028>031-
035>049-054>057-065.

&&

$$

UPDATE...50
SHORT TERM...Melo
LONG TERM...Nield
AVIATION...50
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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