Duluth, MN Warnings, Watches and Advisories

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NWS Active Alerts for MN - Map View

State: MN Alerts: 5 Updated: Oct 5, 2026 2:19am CDT

Frost Advisory

Area
Southern Lake/North Shore; Southern Cook/North Shore; North Cass; South Itasca; Northern Aitkin; South Aitkin; Carlton/South St. Louis; Pine
Frost Advisory issued October 5 at 2:14AM CDT until October 5 at 9:00AM CDT by NWS Duluth MN

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Northern Aitkin, Pine, South Aitkin, North Cass, South Itasca, Carlton and South St. Louis, Southern Cook, and Southern Lake Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Frost Advisory

Area
South Cass; Crow Wing
Frost Advisory issued October 5 at 2:14AM CDT until October 5 at 9:00AM CDT by NWS Duluth MN

* WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Crow Wing and South Cass Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Freeze Warning

Area
Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis
Freeze Warning issued October 5 at 2:14AM CDT until October 5 at 9:00AM CDT by NWS Duluth MN

* WHAT...Sub-freezing temperatures as low as 28. * WHERE...Koochiching, North Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Frost Advisory

Area
Todd; Morrison; Mille Lacs; Kanabec; Benton; Isanti; Chisago; Polk; Barron; Rusk; Chippewa; Eau Claire
Frost Advisory issued October 4 at 9:52PM CDT until October 5 at 9:00AM CDT by NWS Twin Cities/Chanhassen MN

* WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...In Minnesota, Benton, Morrison, Todd, Chisago, Isanti, Kanabec, and Mille Lacs Counties. In Wisconsin, Barron, Polk, Rusk, Chippewa, and Eau Claire Counties. * WHEN...From 1 AM to 9 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Frost Advisory

Area
Roseau; Lake Of The Woods; East Marshall; North Beltrami; North Clearwater; South Beltrami; South Clearwater; Hubbard; Wadena
Frost Advisory issued October 4 at 5:04PM CDT until October 5 at 9:00AM CDT by NWS Grand Forks ND

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Wadena, Hubbard, Lake Of The Woods, North Beltrami, South Beltrami, East Marshall, North Clearwater, Roseau, and South Clearwater Counties. * WHEN...From 1 AM to 9 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Duluth.

Use the Radar Maps link provided to understand the trajectory of a storm.

Disclaimer

This severe weather alerts report is relevant for ZIP codes from 55801 through 55816, accurately covering all areas within Duluth, MN.

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