The Storm Prediction Center issues Day 1 Marginal Convective Risk at Apr 3, 1:01z for portions of LSX

https://www.spc.noaa.gov/products/outlook/archive/2026/day1otlk_20260403_0100.html

#mowx #ilwx

#NWS #tornado Tornado Warning for Lake, IL #ILwx
At 753 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from Camp Lake to Round Lake Beach, moving east at 55
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.

These dangerous storms will be near...
Waukegan, Gurnee, Zion, Antioch, Lindenhurst, Beach Park,
Grandwood Park, Wadsworth, and Venetian Village around 800 PM CDT.

Other locations in the path of these tornadic storms include Winthrop
Harbor.

https://forecast.weather.gov/MapClick.php?lon=-87.990&lat=42.439

The Weather Prediction Center issues Day 1 Marginal Risk Excessive Rainfall Outlook at Apr 3, 0:33z for portions of LSX

https://www.wpc.ncep.noaa.gov/qpf/excessive_rainfall_outlook_ero.php

#mowx #ilwx

Excessive Rainfall Outlook (ERO) Interactive Display

#NWS #tornado Tornado Warning for Lake, IL; McHenry, IL #ILwx
TORLOT

The National Weather Service in Chicago has issued a

* Tornado Warning for...
Northern Lake County in northeastern Illinois...
Northeastern McHenry County in northeastern Illinois...

* Until 815 PM CDT.

* At 740 PM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located
along a line extending from near Hebron to McHenry, moving east at
45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* These dangerous storms will be near...
Round Lake Beach, McHenry, Round Lake, Fox Lake, Lake Villa,
Johnsburg, Lakemoor, Twin Lakes, Spring Grove, and Long Lake
around 745 PM CDT.
Grayslake, Antioch, Lindenhurst, Venetian Village, Lake Catherine,
and Third Lake around 750 PM CDT.
Gurnee and Grandwood Park around 755 PM CDT.
Waukegan and Wadsworth around 800 PM CDT.
Zion, Beach Park, and Winthrop Harbor around 805 PM CDT.

https://forecast.weather.gov/MapClick.php?lon=-88.110&lat=42.433

KLSX Tornado Watch #89

Adams, Knox, Lewis, Marion, Monroe, Ralls, Shelby, Brown, Pike

Iowa Environmental Mesonet

Tornado watch here extended until 11PM.

A warning was issued for the county to our south an hour ago. Nothing here, though.

Been rumbling around a lot, but no visible lightning.

#ILWX

#ILwx #LOT #Chicago
[6:40 PM CDT 4/2] Several clusters of severe storms will advance eastward this evening with a threat for damaging winds and a few tornadoes.

LSX issues Area Forecast Discussion (AFD) at Apr 2, 6:58 PM CDT

https://mesonet.agron.iastate.edu/p.php?pid=202604022358-KLSX-FXUS63-AFDLSX

#mowx #ilwx

IEM :: AFD from NWS LSX

AFD issued by NWS LSX at 02 Apr 2026 23:58 UTC

LSX updates Tornado Watch (cancels Knox, Lewis, Marion, Monroe, Ralls, Shelby [MO], continues Adams, Brown, Pike [IL]) till Apr 2, 8:00 PM CDT.

https://mesonet.agron.iastate.edu/vtec/f/2026-O-CON-KLSX-TO-A-0089_2026-04-02T23:55Z

#mowx #ilwx

KLSX Tornado Watch #89

Adams, Brown, Pike, Knox, Lewis, Marion, Monroe, Ralls, Shelby

Iowa Environmental Mesonet

LSX expires Wind Advisory for Adams, Bond, Brown, Calhoun, Clinton, Fayette, Greene, Jersey, Macoupin, Madison, Marion, Monroe, Montgomery, Pike, Randolph, St. Clair, Washington [IL] and Audrain, Jefferson, Knox, Lewis, Lincoln, Marion, Monroe, Pike, Ralls, Shelby, St. Charles, St. Louis, St. Louis City, Ste. Genevieve [MO]

https://mesonet.agron.iastate.edu/vtec/f/2026-O-EXP-KLSX-WI-Y-0003_2026-04-02T23:51Z

#mowx #ilwx

KLSX Wind Advisory #3

Knox, Lewis, Shelby, Marion, Monroe, Ralls, Pike, Audrain, Lincoln, Greene, Macoupin, Montgomery, Bond, Fayette, Clinton, Marion, Brown, Pike, St. Charles, St. Louis, St. Louis City, Jefferson, Ste. Genevieve, Washington, Randolph, Adams, Calhoun, Jersey, Madison, St. Clair, Monroe

Iowa Environmental Mesonet