Hazard Report Provided By forecast.weather.gov

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.

$$

URGENT - WEATHER MESSAGE
National Weather Service Marquette MI
147 PM EDT Thu May 21 2026

MIZ004>007-010>014-085-221200-
/O.NEW.KMQT.FR.Y.0002.260522T0400Z-260522T1200Z/
Baraga-Marquette-Alger-Luce-Iron-Dickinson-Menominee-Delta-
Southern Schoolcraft-Northern Schoolcraft-
Including the cities of Grand Marais, L`Anse, Iron River,
Manistique, Gwinn, Menominee, Iron Mountain, Escanaba, Seney,
Marquette, Munising, Newberry, and Gladstone
147 PM EDT Thu May 21 2026 /1247 PM CDT Thu May 21 2026/

...FROST ADVISORY IN EFFECT FROM MIDNIGHT EDT /11 PM CDT/ TONIGHT TO
8 AM EDT /7 AM CDT/ FRIDAY...

* WHAT...Temperatures as low as 31 will result in frost formation.

* WHERE...Alger, Baraga, Delta, Dickinson, Iron, Luce, Marquette,
  Menominee, Northern Schoolcraft, and Southern Schoolcraft Counties.

* WHEN...From midnight EDT /11 PM CDT/ tonight to 8 AM EDT /7 AM
  CDT/ Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

77

Hazard Report Provided By forecast.weather.gov