ALERT:  Freeze Warning

Area Temperatures

Marquette County

Williams Park: Pine & Michigan on the eastside of Marquette

33° (02:45 am)

McCarty's Cove: U.S. Coast Guard Station on lakefront

33°(02:36 am)

Trowbridge: Near Trowbridge Park

29° (02:54 am)

Negaunee: Negaunee MDOT station on Hwy 41

40° (07:19 pm)

Sawyer Airport: near Gwinn

25° (02:38 am)

Big Bay: Big Bay HADS station

31° (02:40 am)

Republic: Co Rd LD & 601

27° (02:45 am)

Upper Michigan

Chatham: U.S. Climate Reference Network site for Upper Peninsula

27° (02:45 am)

Munising: Munising Lakeshore AWOS station

29° (02:56 am)

Escanaba: Delta County Airport

32° (02:56 am)

Iron Mountain: Ford Airport

31° (02:54 am)

Houghton: Houghton County Memorial Airport

34° (02:53 am)

Ironwood: Gogebic County Airport

34° (02:56 am)

Sault Ste. Marie: Sault Ste. Marie Municipal Airport

32° (02:55 am)

All times Eastern

Marquette County Weather Forecast

via the National Weather Service

Updated: 02:21 AM EDT May 21, 2026

Early This Morning: Clear. Widespread frost. Light south winds.
Today: Areas of frost in the morning. Sunny. Highs in the upper 50s. Southeast winds 5 to 10 mph.
Tonight: Clear. Areas of frost after midnight. Lows around 36. Southeast winds 5 to 10 mph, becoming south after midnight.
Friday: Mostly sunny. Highs around 62. Southeast winds 5 to 15 mph.
Friday Night: A chance of rain showers after midnight. Mostly cloudy. Lows around 42. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.
Saturday: Rain showers likely in the morning, then a chance of rain showers in the afternoon. Mostly cloudy. Highs around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
Saturday Night and Sunday: Mostly cloudy. Lows around 43. Highs around 69 inland to around 63 at the shore.
Sunday Night and Memorial Day: Warmer. Mostly clear. Lows around 46. Highs around 77 inland to around 71 at the shore.
Monday Night: Mostly clear. Lows around 51.
Tuesday: Sunny. Highs around 80 inland to around 71 at the shore.
Tuesday Night and Wednesday: Mostly clear. Lows around 50. Highs 76 to 81 inland to around 69 at the shore.

U.P. Weather Story

Upper Peninsula Weather Story graphic
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XFreeze Warning issued May 21 at 2:21AM EDT until May 21 at 9:00AM EDT by NWS Marquette MI

* WHAT...Sub-freezing temperatures as low as 24.

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

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

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Take steps now to protect tender plants from the cold.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly. Those that have in-ground sprinkler systems should
drain them and cover above-ground pipes to protect them from
freezing.
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