789
FXUS63 KLOT 102103
AFDLOT

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
303 PM CST Mon Nov 10 2025

.KEY MESSAGES...

- A quick moving system may bring a brief bout of flurries to at
  most a light dusting Tuesday morning (20-30% chance).

- Temperatures gradually warm through the end of the week.

&&

.DISCUSSION...
Issued at 303 PM CST Mon Nov 10 2025

All winter-related headlines have ended across the local area!

Expect one more chilly night with overnight lows in the 20s
areawide with some lingering breeziness bringing wind chills
into the teens. Areas with the deepest snowpack (especially
near/east of I-57) may briefly dip into the upper teens toward
daybreak.

A low amplitude disturbance currently over far southern
Saskatchewan will dive across the area by early Tuesday
morning which could bring a brief bout of flurries or light
snow. There remains some variability on the cohesiveness of the
associated vort (or pair of vorts) and it overall looks rather
moisture starved, so am not expecting much more than flurries
to perhaps a light dusting (0.1-0.2") of snow on untreated and
grassy surfaces.

Heading into the latter half of the week, upper level ridging
builds back into the region allowing temperatures to gradually
warm each day and help melt the remaining snowpack. In fact,
forecast high temperatures get back into the 60s for much of the
area by Friday and more likely Saturday.

There are attempts to break down the ridge early next week
which is paired with increasing shower chances; however, global
ensembles continue to differ in how quickly this occurs. Blended
20-40% chances for showers seems reasonable at this range with
further refinement expected over the coming days.

Petr

&&

.AVIATION /18Z TAFS THROUGH 00Z WEDNESDAY/...
Issued at 1156 AM CST Mon Nov 10 2025

Lake effect snow has ended for the northeast IL terminals, with
snow expected to end with an hour at GYY. VFR conditions are
expected through late tonight. An axis of strong warm air
advection around 700-800mb will then lift ENE across the
terminals from the pre-dawn hours through mid-morning. Moisture
in this layer may be marginally favorable for a period of snow
with MVFR visibility, so have included a PROB30 during this
window at all sites.

NW winds will continue to gust to around 20 knots through
sunset. WNW winds around 10 knots this evening will then back SW
through daybreak Tuesday. With a 40 knot LLJ around 4kft, some
sporadic gusts above 20 knots are also possible tonight. As
daytime mixing ensues, SSW winds will frequently gust over 25
knots to possibly 30 knots.

Kluber

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...None.
IN...None.

LM...Small Craft Advisory until midnight CST tonight for the IL
     nearshore waters.

     Small Craft Advisory from 9 AM Tuesday to 9 PM CST Wednesday
     for the IL nearshore waters.

     Small Craft Advisory until 3 AM CST Thursday for the IN
     nearshore waters.

&&

$$

Visit us at weather.gov/chicago