Lafayette, Indiana 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

139
FXUS63 KIND 260529
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
1229 AM EST Mon Jan 26 2026

.KEY MESSAGES...

- Winter Storm Warning through Monday morning

- Blowing and drifting snow, especially in rural areas, possible
  tonight and Monday night

- Extreme Cold Warning tonight into Monday morning and again
  Monday night into Tuesday morning

- Cold Weather Advisory tonight through midday Tuesday, additional
  dangerous cold through much of the upcoming week

&&

.FORECAST UPDATE...
Issued at 907 PM EST Sun Jan 25 2026

Dry air has entrained into the northern portions of the
precipitation shield with most of the area now dry as of 02Z. Dry
conditions are expected to remain over most of central Indiana this
evening into tonight. That said, there will be a low level theta-e
advection off the lake arriving after 03Z in NW central Indiana.
This could produce an additional light dusting in the Lafayette to
Kokomo regions and isolated flurries over the rest of the area
through 07Z.

Winds are still expected to be elevated on as NW flow becomes
uniform overnight. This could cause patchy blowing snow and reduced
visibilities at times.

&&

.SHORT TERM (This evening through Monday)...
Issued at 253 PM EST Sun Jan 25 2026

Surface low pressure is located to our southeast, roughly over
eastern Kentucky, as of 2pm. Moderate to heavy snow has been falling
since yesterday evening, though rates have tapered off in the past
few hours. Amounts across the region range from 4 to 6 inches from
Lafayette to Kokomo, 8 to 12 across the I-70 corridor, and 10 to 14
across the southern half of our CWA.

Upper-level analysis shows residual troughing upstream, which should
allow for continued ascent through about 00z. Light snow continues
to our west as far as southeastern Missouri. High-resolution guidance
shows this activity progressing northeastward, ending here between
00-04z. Generally light snow is expected, but a period of moderate
snow cannot be ruled out. Additional accumulations between 1 to 3
inches appears likely, with the highest additional totals further
east.

Winds look to increase slightly as the low pulls away, with a few
gusts to 20 to 25 mph possible form the north-northwest. This may
lead to pockets of blowing and drifting snow, especially in open
country. As such, our Winter Storm Warning will continue until 12z
Monday to account for lingering hazardous conditions during the
overnight/early morning hours.

Cold air advection resumes with the north-northwesterly flow as
well, with lows falling to below zero tonight into Monday. Ambient
air temperatures near or below zero, combined with 10 to 20 mph wind
(not including gusts) will lead to wind chills as low as -25 degrees
tonight into Monday. Our Extreme Cold Warning will continue through
the late morning hours tomorrow.

&&

.LONG TERM (Monday night through Sunday)...
Issued at 253 PM EST Sun Jan 25 2026

Ensemble guidance is in good agreement showing continued east coast
troughing with persistent northwesterly flow aloft. Occasional
clipper systems passing to our north may allow for brief periods of
SW return flow, but little in the way of temperature relief is
expected. A strongly negative Arctic Oscillation and positive
Pacific North American pattern add weight to the continuation of the
current weather pattern.

Our primary weather hazard through the coming week will be the cold.
Daily highs well below freezing are expected, with lows at or just
below zero each night through the weekend. Combined with winds,
nightly wind chills of -10 to -20 are possible. The coldest night in
terms of wind chills looks to be Monday night with breezy SW winds
of 20-25 mph. Wind chills as low as -25 degrees are possible into
Tuesday morning.

The coldest in terms of ambient air temperatures looks to be
Wednesday morning. Surface high pressure, clear skies, relatively
light wind and a deep snowpack will create optimal radiative cooling
conditions. Lows between -10 to -15 degrees are possible, especially
in rural areas. Another strong surface high arrives over the weekend
which may allow for another period of very cold ambient air
temperatures.

There may be a slight chance of snow late Wednesday as a clipper
system passes by, but chances of that seem low as of right now.

&&

.AVIATION (06Z TAF Issuance)...
Issued at 1229 AM EST Mon Jan 26 2026

Impacts:

- Intermittened MVFR ceilings tonight
- Blowing snow at times tonight

Discussion:

Ceilings will bounce between MVFR and low VFR due to clouds off the
lake. Within these clouds light snow with VFR VIS is possible.
Occaisonal gusts overnight could also lead to periods of blowing
snow with MVFR VIS overnight. VFR conditions should return this
morning as clouds begin to clear.

As stated winds may gust occaisonally overnight, but should remain
stable at around 7-10kt out of the W/NW. Winds will slowly veer to
the W and then SW later today. Gusty consitions will return
overnight within SW flow topping out around 25kt.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
Winter Storm Warning until 7 AM EST this morning for INZ021-
028>031-035>049-051>057-060>065-067>072.

Extreme Cold Warning until 11 AM EST this morning for INZ021-
028>031-035>039-043>047-051>054-060-061-067-068.

Extreme Cold Warning from 7 PM this evening to 9 AM EST Tuesday
for INZ021-028>031-035>049-051>057-060>065-067>072.

Cold Weather Advisory from 11 AM this morning to 7 PM EST this
evening for INZ021-028>031-035>039-043>047-051>054-060-061-067-
068.

Cold Weather Advisory from 9 AM to noon EST Tuesday for INZ021-
028>031-035>049-051>057-060>065-067>072.

Cold Weather Advisory until 7 PM EST this evening for INZ040>042-
048-049-055>057-062>065-069>072.

&&

$$

UPDATE...Updike
SHORT TERM...Eckhoff
LONG TERM...Eckhoff
AVIATION...Updike