Mchenry County Storm Trackers

Mchenry County Storm Trackers A severe weather Chase/Tracking group dedicated to protecting and saving lives while studying weather Mchenry County Storm Trackers - Looking For Members!!!

We are a group of weather enthusiasts and amateur meteorologists out to track, chase, and learn more about severe weather in an attempt to prevent damage to property and loss of life. Once we get a following we will be working on setting up a chase team for the study of the weather and safety of the community. Volunteers are welcome to contact us after taking an online class. A second more advance

d class is recommend to those of you interested in becoming a chaser which will be held all over the area by the NWS. A list will be provided for you. Classes again are free to attend and will start in March and go through April. For more info contact:

Ike Dargan
Email: [email protected]

or:

Steve Vogelsberg
Email: [email protected]

06/17/2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
DAY ONE...Tonight.

Weather hazards expected...

Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Tornado Risk mainly south of the Kankakee River.
Level 3 of 5 Damaging Wind Risk...up to 65 mph.
Level 3 of 5 Large Hail Risk...up to half dollar size.
Significant Flooding Risk mainly near and south of I-80.
High Swim Risk Illinois Lake Michigan Beaches.

DISCUSSION...

Thunderstorms are expected this afternoon and early evening. The
strongest storms, currently favored south of the Kankakee River,
will be capable of producing large hail, damaging winds, and
potentially strong tornadoes. Farther north, damaging winds will
be the biggest concern with afternoon storms.

Thunderstorms today will also be capable of producing torrential
rainfall which could lead to localized flash flooding and sudden
river/stream rises.
DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
High Swim Risk Porter County Lake Michigan Beaches.
Saturday...
Limited Thunderstorm Risk.
Sunday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
Monday and Tuesday...
Limited Thunderstorm Risk.
SPOTTER INFORMATION STATEMENT...

Spotters will likely be needed this afternoon and evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 50 to 60 mph.

04/17/2026
04/17/2026

Warning
National Weather Service
×
What to Expect
Damaging tornado.
🧊 Max Hail
1.75 IN
📡 Source
Weather spotters confirmed tornado.
🕒 When
UNTIL 415 PM CDT FOR EASTERN JO DAVIESS
⚠️ Expected Impacts
You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Considerable damage to homes, businesses, and vehicles is likely and complete destruction is possible. The tornado will be near... Freeport, Cedarville, Winslow, Buena Vista, Oneco, Orangeville, Eleroy, Mc Connell, Red Oak, and Scioto Mills around 350 PM CDT. Dakota Dornink Airport around 355 PM CDT.
THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
Tornado: OBSERVEDHail: 1.75" (Golf Ball‑Size)Damage Threat: CONSIDERABLE
587
WWUS53 KDVN 172043 CCA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
343 PM CDT Fri Apr 17 2026
ILC015-085-177-172115-
/O.COR.KDVN.TO.W.0034.000000T0000Z-260417T2115Z/
Jo Daviess IL-Carroll IL-Stephenson IL-
343 PM CDT Fri Apr 17 2026..A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR EASTERN
JO DAVIESS...NORTHEASTERN CARROLL AND STEPHENSON COUNTIES...
At 343 PM CDT, a confirmed large and extremely dangerous tornado was
located over Lena, or 11 miles northwest of Freeport, moving east at
25 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
The tornado will be near...
Freeport, Cedarville, Winslow, Buena Vista, Oneco, Orangeville,
Eleroy, Mc Connell, Red Oak, and Scioto Mills around 350 PM CDT.
Dakota Dornink Airport around 355 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

04/17/2026

Tornado in progress entering LENA IL moving East/Northeast

04/17/2026

TORNADO WATCH 129 IS IN EFFECT UNTIL 800 PM CDT FOR THE
FOLLOWING LOCATIONS

IL ILLINOIS COUNTIES INCLUDED ARE

BOONE BUREAU CARROLL
DE KALB HANCOCK HENDERSON
HENRY JO DAVIESS LA SALLE
LEE MCDONOUGH MCHENRY
MERCER OGLE PUTNAM
ROCK ISLAND STEPHENSON WARREN
WHITESIDE WINNEBAGO

04/17/2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
DAY ONE...This Afternoon and Tonight.

Weather hazards expected...

Significant Thunderstorm Risk...with an associated:
Level 3 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Tornado Risk.
Level 1 of 5 Large Hail Risk...up to one inch in diameter.
Elevated Flooding Risk.

DISCUSSION...

A line of thunderstorms is expected to work across northern
Illinois this evening. Thunderstorms may be severe with damaging
wind gusts, hail, and perhaps a few tornadoes. Heavy rain may
also lead to instances of flash flooding.
DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...
Elevated Frost and Freeze Risk.
Sunday...
Significant Frost and Freeze Risk.
SPOTTER INFORMATION STATEMENT...

Spotters will likely be needed this evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the northeast at 45 mph and then becoming east.

04/15/2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
DAY ONE...Tonight.

Weather hazards expected...

Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Damaging Wind Risk...up to 60 mph.
Level 2 of 5 Large Hail Risk...up to quarter size.
Level 1 of 5 Tornado Risk.
Elevated Flooding Risk..

DISCUSSION...

An additional period of thunderstorms are expected, particularly
this evening. Some of these storms may be strong to severe and
produce locally heavy rainfall.
DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
Limited Thunderstorm Risk.
Friday evening into early Saturday morning...
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Sunday Night...
Elevated Frost Risk.

DISCUSSION...

An additional period of storms is expected Friday evening into
early Saturday morning.
SPOTTER INFORMATION STATEMENT...

Spotters may be needed at times through this evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east-northeast at 40 to 45

Address

Crystal Lake, IL
60014

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