Flood Watch 2, NWS Lincoln, IL

Area Forecast Discussion
National Weather Service Lincoln IL
619 PM CDT Fri Apr 3 2026

.KEY MESSAGES...

- Two periods of severe weather are expected through tonight. Of
  those, the first one (2-10 pm) would be most likely to produce
  all severe weather hazards, primarily west of I-55. The second
  one, after midnight, will mainly see a localized damaging wind
  threat.

- A trend for cooler weather is on tap for the second half of
  the weekend, into Tuesday. There is concern for a hard freeze
  in parts of central Illinois Monday night, mainly focused on
  areas near and north of I-74.

&&

.DISCUSSION...
Issued at 137 PM CDT Fri Apr 3 2026

Through Saturday:

A warm front was located roughly along I-72/US-36 early this
afternoon, with temperatures south of it in the lower 70s and
dew points in the mid 60s. Recent satellite imagery shows this
particular region, while still having a fair amount of clouds,
has had some breaks that have helped boost mixed layer CAPE's to
around 1000 J/kg. Noontime run of the WoFS model suggests the
boundary lifting about as far north as Peoria by mid afternoon.
WoFS output, as well as recent runs of the HRRR and the 12z
RRFS, are all focusing on convective initiation in the 2-3 pm
time frame. This seems on track, as visible satellite is showing
some towering cumulus centered along I-72, and some showers have
been popping recently in east central Illinois. While severe
weather is not a slam dunk this afternoon and evening, there are
enough components that all hazards remain in play. However,
most of this focus will be west of I-55, and especially toward
the Illinois River valley.

The first batch of storms will likely be out of our forecast
area by late evening, but the line of storms associated with the
cold front won't be too far behind. Main focus for that band
will be in the midnight to 5 am time frame, with the main
concern being with localized 50-60 mph wind gusts. After that,
rain tapers from west to east on Saturday as the front pushes
into Indiana by midday.

Sunday through Tuesday:

Much of this period will be fairly tranquil, as high pressure
settles into the mid Mississippi Valley. Main concern in this
time frame is with the cooler temperatures, and potential for a
hard freeze. Latest LREF has about a 40% chance of a hard freeze
(lows 28F or colder) Monday night, roughly along and north of
I-74.

Wednesday through Friday:

A significant warming trend takes place, as the upper flow
becomes more zonal, and high temperatures return to the 60s and
70s. Main feature of note will be a strong shortwave tracking
across the northern states Wednesday-Thursday, with a trailing
cold front arriving around Thursday. As it starts to parallel
the upper flow, an extended chance of rain begins to set up.

&&

.AVIATION /00Z TAFS THROUGH 00Z SUNDAY/...
Issued at 618 PM CDT Fri Apr 3 2026

Cluster of strong/severe storms is moving NE and will be
impacting KPIA before 00z, and likely stay just west of KBMI.
Wind gusts near 50 knots possible with the strongest storms.
Main threat for more widespread thunder activity will mainly be
in the 06-10z time frame from west to east, as a cold front
moves through the area.

Outside of the storms, there will be a period of IFR or low MVFR
ceilings behind the front, mainly from about 10-18z. Steady
improvement is expected around midday. Expect southerly winds to
become west behind the front late tonight, with gusts 20-25
knots persisting through much of Saturday.

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
None.

&&

KEY MESSAGES...Geelhart
DISCUSSION...Geelhart
AVIATION...Geelhart

Hazardous Weather Outlook
National Weather Service Lincoln IL
140 PM CDT Fri Apr 3 2026

ILZ027>031-036>038-040>053-041845-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-
140 PM CDT Fri Apr 3 2026

This Hazardous Weather Outlook is for central Illinois, east
central Illinois and west central Illinois.

.DAY ONE...This afternoon and tonight.

Periods of thunderstorms are expected through tonight. Some of these
storms may be strong to severe, especially during the afternoon and
early evening and again late evening and overnight. A few tornadoes
are possible during the afternoon and evening. Damaging wind gusts
over 60 mph and large hail over 1 inch diameter are possible with
the strongest storms. Locally heavy rainfall could also produce
areas of flooding in urban and poor drainage areas as well as near
rivers.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

A few thunderstorms may continue into Saturday morning.

Minor flooding is expected along the Illinois River, beginning early
next week.

Freezing temperatures are possible Monday night, and may cause
damage to newly emerged tender vegetation.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed from 2 to 7 pm.

Expected storm motion is toward the northeast around 35 mph.

ILZ054>057-061>063-066>068-071>073-041845-
Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-Effingham-
Jasper-Crawford-Clay-Richland-Lawrence-
140 PM CDT Fri Apr 3 2026

This Hazardous Weather Outlook is for central Illinois, east
central Illinois and southeast Illinois.

.DAY ONE...This afternoon and tonight.

Periods of thunderstorms are expected through tonight. Some of these
storms may be strong to severe. Damaging wind gusts over 60 mph and
large hail over 1 inch diameter are possible with the strongest
storms. Locally heavy rainfall could also produce areas of flooding
in urban and poor drainage areas as well as near rivers.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

A few thunderstorms may continue into Saturday morning.

Minor flooding is possible along the Wabash River and may develop
along the Little Wabash River this weekend, continuing into next
week.

Freezing temperatures are possible Monday night, and may cause
damage to newly emerged tender vegetation.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated for tonight.

MJA

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Preliminary Local Storm Report
National Weather Service Lincoln IL
858 PM CDT Fri Apr 3 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0852 PM     Flood            3 SE Eureka             40.69N 89.24W
04/03/2026                   Woodford           IL   Emergency Mngr

            water over the roadway.

&&