Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Marquette MI
221 AM EDT Thu May 21 2026

MIZ001>003-009-012-211300-
/O.CON.KMQT.FR.Y.0001.000000T0000Z-260521T1300Z/
Keweenaw-Ontonagon-Northern Houghton-Gogebic-Menominee-
Including the cities of Menominee, Hancock, Ontonagon, Ironwood,
Houghton, and Copper Harbor
221 AM EDT Thu May 21 2026 /121 AM CDT Thu May 21 2026/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS
MORNING...

* WHAT...Temperatures as low as 28 will result in frost formation.

* WHERE...Menominee, Gogebic, Keweenaw, Northern Houghton, and
  Ontonagon Counties.

* WHEN...Until 9 AM EDT /8 AM CDT/ this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...Some locations further interior of the Great
  Lakes such as Menominee County north of US-2 and the US-45
  corridor between Watersmeet and Bruce Crossing may locally
  experience hard freeze conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

GS

Hazardous Weather Outlook
National Weather Service Marquette MI
334 AM EDT Thu May 21 2026

MIZ001>007-009>014-084-085-220745-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
334 AM EDT Thu May 21 2026 /234 AM CDT Thu May 21 2026/

This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.

.DAY ONE...Today and Tonight

Widespread hard freeze this morning except for the far west, far
south, and Keweenaw Peninsula, where frost is still expected. This
may impact vulnerable plants and agriculture. See the Frost
Advisory and Freeze Warning for more information.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Areas of frost possible Friday morning in the interior UP (30-50%
chance). This may impact vulnerable plants and agriculture.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$

Hazard Report Provided By forecast.weather.gov