Severe Thunderstorm Warning — Knox County, Maine
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 13 at 5:39PM EDT until August 13 at 6:30PM EDT by NWS Gray ME
SVRGYX The National Weather Service in Gray Maine has issued a * Severe Thunderstorm Warning for... South central Kennebec County in south central Maine... West central Knox County in south central Maine... Lincoln County in south central Maine... Northeastern Sagadahoc County in south central Maine... * Until 630 PM EDT. * At 539 PM EDT, severe thunderstorms were located along a line extending from Litchfield to 11 miles north of Damariscotta, moving southeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Gardiner, Damariscotta, Wiscasset, Litchfield, Farmingdale, Bristol, Bremen, Woolwich, Warren, Boothbay, Bowdoinham, Chelsea, Jefferson, Dresden, Cushing, Edgecomb, Friendship, Alna, Nobleboro, and Whitefield. This includes the following highways... Interstate 295 between mile markers 43 and 51. Interstate 95 b
Effective August 13, 2026 at 5:39 PM ET · Expires August 13, 2026 at 6:30 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Gray ME
Expires
August 13, 2026 at 6:30 PM ET
Last Checked
31 minutes ago
What To Do
📋 Official NWS Guidance
For your protection move to an interior room on the lowest floor of a building.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Maine
Flood Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Get Severe Thunderstorm Warning Alerts for Knox County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Knox County, Maine?
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 (31 minutes ago). It's set to expire August 13, 2026 at 6:30 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Knox County?
Download StormCast free on Google Play and set Knox County, Maine 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 Kennebec County, Sagadahoc County.