Lake County, Minnesota Weather Alerts: Warnings and Watches

Warnings on the map

Every watch, warning and advisory the National Weather Service has in force over Lake County, Minnesota. Open it for the live map, where it pans and zooms.

Open the live map with warnings and watches

Map layer from NOAA National Weather Service. Boundaries from the Iowa Environmental Mesonet.

Alerts in force1

Every product in force for Lake County, worst first, with its full text.

Frost Advisory

Minor

Frost Advisory issued September 22 at 1:04PM CDT until September 23 at 8:00AM CDT by NWS Duluth MN

Begins Wed, Sep 23, 1:00 AM CDTUntil Wed, Sep 23, 8:00 AM CDT 16 hr 11 min left

Areas Koochiching, MN; North St. Louis, MN; Northern Cook/Northern Lake, MN; North Itasca, MN; Central St. Louis, MN; South Itasca, MN

Full text

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior.

What to do

Take steps now to protect tender plants from the cold.

NWS Duluth MNShare this alert

The past year in Lake County

In the past year the National Weather Service issued 135 alerts for Lake County, including 16 severe thunderstorm warnings, 6 red flag warnings, 6 winter storm warnings and 4 snow squall warnings.

Product	Issued	Most recent
Severe Thunderstorm Warning	16	Sep 11, 2026
Red Flag Warning	6	Jul 14, 2026
Winter Storm Warning	6	Apr 3, 2026
Snow Squall Warning	4	Mar 23, 2026
Flood Warning	3	Apr 29, 2026
Freeze Warning	3	May 21, 2026
Blizzard Warning	2	Mar 12, 2026
Extreme Cold Warning	1	Jan 22, 2026
Extreme Heat Warning	1	Jul 12, 2026
Winter Storm Watch	6	Apr 3, 2026
Fire Weather Watch	4	Jul 20, 2026
Severe Thunderstorm Watch	3	Aug 25, 2026
High Wind Watch	2	Feb 27, 2026
Extreme Cold Watch	1	Jan 23, 2026
Extreme Heat Watch	1	Jul 12, 2026
Flood Watch	1	Apr 27, 2026
Freeze Watch	1	Oct 7, 2025
Tornado Watch	1	Jun 30, 2026
Dense Fog Advisory	19	Jul 28, 2026
Winter Weather Advisory	19	Apr 2, 2026
Frost Advisory	9	Sep 23, 2026
Wind Advisory	8	Mar 15, 2026
Flood Advisory	7	Sep 11, 2026
Cold Weather Advisory	6	Jan 29, 2026
Heat Advisory	5	Jul 29, 2026

Warnings issued

Every alert, most recent first

The 40 most recent of 135.

From the Iowa Environmental Mesonet’s archive of NWS watches, warnings and advisories (VTEC), by the county’s own code and the forecast zones inside it. Each date links to the event at the IEM.

Nearby

The counties around Lake County, with what is in force in each.

What this means

Warning: The hazard is happening or about to. Act now: a tornado warning means take shelter, a flash flood warning means move to higher ground.
Watch: Conditions favor the hazard. Nothing is happening yet; have a plan and be ready to act if a warning follows.
Advisory: A hazard that is less serious than a warning but can still cause trouble, such as dense fog, heat or light ice.
Statement: Information about weather that does not yet meet a warning: a strong storm, a hydrologic update, or a special weather statement.

Severity (extreme, severe, moderate, minor) is the rating the issuing office gives each product. More on the difference: tornado watch vs. tornado warning. Alerts come from the National Weather Service; follow its instructions and your local officials.

Sources

Alerts from the National Weather Service's public feed, read afresh every minute, and matched to counties and zones by their UGC codes. Warnings from outside the United States come from each country's own meteorological service. Follow the issuing office's instructions and your local officials.