Severe Thunderstorm Warning — St. Charles County, Missouri
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 16 at 9:42PM CDT until August 16 at 9:45PM CDT by NWS St Louis MO
The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm.
Effective August 16, 2026 at 10:42 PM ET · Expires August 16, 2026 at 10:52 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS St Louis MO
Expires
August 16, 2026 at 10:52 PM ET
Last Checked
4 hours ago
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Missouri
Severe Thunderstorm Warning
Severe Thunderstorm Warning
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Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for St. Charles County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for St. Charles County, Missouri?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (4 hours ago). It's set to expire August 16, 2026 at 10:52 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for St. Charles County?
Download StormCast free on Google Play and set St. Charles County, Missouri as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Franklin County.