Crystal Lake, IL Weather Alerts
Get NWS severe weather alerts for Crystal Lake, Mchenry County, Illinois pushed directly to your Android phone. Free with StormCast.
Current Conditions
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7-Day Forecast
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Current Alert Status
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Alerts Delivered for Crystal Lake
StormCast delivers every NWS alert issued for your area, including:
Tornado Warnings
Tornado Warning, Tornado Watch, Tornado Emergency, and Severe Thunderstorm Warning — pushed within moments of being issued by the NWS.
Flood Alerts
Flash Flood Warning, Flood Watch, Flood Advisory, River Flood Warning, and Coastal Flood alerts for Mchenry County.
Heat & Cold
Excessive Heat Warning, Heat Advisory, Wind Chill Warning, Freeze Warning, Frost Advisory, and Hard Freeze alerts.
Winter Storms
Winter Storm Warning, Ice Storm Warning, Blizzard Warning, Winter Weather Advisory, and Wind Chill advisories.
Fire Weather
Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread in Illinois.
Lightning & Wind
High Wind Warning, Wind Advisory, lightning proximity alerts, and Special Weather Statements.
How It Works
Download StormCast
Free on Google Play. No subscription, no account required for weather alerts.
Set Your Location
StormCast uses your GPS or lets you save specific locations — home, work, family. Monitor as many places as you want.
Get Alerts Instantly
The NWS feed is checked every 30 seconds. When a warning is issued for Crystal Lake, your phone gets a push notification — even at 3 AM with the screen off.
About Crystal Lake
StormCast provides instantaneous emergency alerts across Mchenry County, ensuring residents in Crystal Lake and the surrounding area are notified of hazardous conditions immediately.
County
Mchenry
State
Illinois
NWS Zone
ILZ005
Forecast Office
LOT
Radar
KLOT
Coordinates
42.2662°N, 88.3213°W
Get Weather Alerts for Crystal Lake
StormCast monitors the NWS every 30 seconds and pushes severe weather alerts for Crystal Lake directly to your phone.
Frequently Asked Questions
How do I get weather alerts for Crystal Lake, IL?
Download StormCast free on Google Play and set Crystal Lake, IL as one of your monitored locations. StormCast checks the NWS alert feed every 30 seconds and pushes tornado warnings, flood alerts, severe thunderstorm warnings, and all other NWS alerts directly to your phone — even when your screen is off.
What types of weather alerts does Crystal Lake get?
Crystal Lake is in NWS forecast zone ILZ005, served by the LOT Weather Forecast Office. Depending on the season and geography, alerts can include Tornado Warning, Severe Thunderstorm Warning, Flash Flood Warning, Flood Watch, Winter Storm Warning, Ice Storm Warning, Heat Advisory, and more.
Does StormCast cover Mchenry County?
Yes. StormCast delivers all NWS alert types for every county and forecast zone in the United States. Crystal Lake and all of Mchenry County are fully covered.
Is StormCast free?
Yes. StormCast is free on Google Play. Core severe weather alerts will always be free — they're safety features, not premium features.