National Weather Service Forecast for: Lancaster, OH Issued by: National Weather Service Wilmington, OH

Updated: 4:00 am EST Nov 06, 2026

Today Partly Sunny Saturday Mostly Cloudy Sunday Widespread Frost then Sunny Monday Widespread Frost then Sunny Tuesday Sunny Veterans Day Sunny Thursday Slight Chance Light Rain   Hi 54 °F Hi 52 °F Hi 56 °F Hi 59 °F Hi 63 °F Hi 60 °F Hi 56 °F     Tonight Partly Cloudy then Patchy Frost Saturday Night Partly Cloudy then Areas Of Frost Sunday Night Clear then Areas Of Frost Monday Night Clear Tuesday Night Mostly Clear Wednesday Night Slight Chance Light Rain Thursday Night Slight Chance Light Rain   Lo 33 °F Lo 31 °F Lo 34 °F Lo 38 °F Lo 36 °F Lo 36 °F Lo 34 °F

Forecast from NOAA-NWS for Lancaster, OH.

615
FXUS61 KILN 061143
AFDILN

Area Forecast Discussion
National Weather Service Wilmington OH
643 AM EST Fri Nov 6 2026

.WHAT HAS CHANGED...
Frost is possible tonight and a Frost Advisory has been issued.
Temperatures at or below freezing temperatures tomorrow night may
necessitate a Freeze Warning.

&&

.KEY MESSAGES...
1) A strong upper low will cross east through the lower Great Lakes
today and this weekend. This will bring cooler temperatures, and a
chance for light showers along and north of the I-70 corridor.

2) Temperatures will make a return to above normal for high
temperatures for the first half of next week, returning to near
normal for the second half.

&&

.DISCUSSION...
KEY MESSAGE 1)
A weak cold front will cross the region early this morning as a
closed low pressure center tracks east through the lower Great Lakes
on today and Saturday. In its wake, temperatures over the Ohio
Valley will drop under northwest flow. Overnight temperatures will
drop to the low to mid 30s tonight, and a frost advisory has been
issued. Tomorrow night will see readings dropping a little more,
solidly in the lower 30s with some upper 20s possible.


KEY MESSAGE 2)
A dry forecast is expected after Friday through most of next week as
northwest flow aloft becomes more westerly. Starting Monday,
temperatures will modify a little each day, generally in the low to
mid 60s for highs and mid-upper 30s for lows. For Thursday and
Friday, a l/w trough will cross the region, bringing temperatures
back down to the 50s for highs and lower 30s for lows.

&&

.AVIATION /12Z FRIDAY THROUGH TUESDAY/...

Cold front with a wind shift to nw and corresponding increase in
speed is currently reaching DAY with lower stratus moving sse along
and behind it. Guidance is consistently showing a bkn-ovc deck 2-3kft
in the cold advection, and this is a typical scenario.

Wind ahead of the front is generally sw under about 8kt and will
switch nw at 10-14kt behind the front and see afternoon gusts to
20-22kt. Timed front at 15:30 at CVG/CMH and closer to 16:00 at
LUK/ILN/LCK. Late in the day as sun sets, clearing will occur in the
south but not make it much further than CVG/LUK. At the extended
forecast for CVG, skies will cloud back up around 14Z tomorrow.
Further north will have more bkn-ovc MVFR sky cover overnight, with
a lull and possible clearing from 23Z-03Z, a bit briefer at CMH/LCK
being closer to the cold pool.

OUTLOOK...MVFR cigs possible into Saturday.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...Frost Advisory from midnight tonight to 9 AM EST Saturday for
     OHZ073-077>082-088.
KY...Frost Advisory from midnight tonight to 9 AM EST Saturday for
     KYZ089>100.
IN...Frost Advisory from midnight tonight to 9 AM EST Saturday for
     INZ073>075-080.

&&

$$

DISCUSSION...Franks
AVIATION...Franks

NWS ILN Office Area Forecast Discussion