Area Temperatures

Marquette County

Williams Park: Pine & Michigan on the eastside of Marquette

63° (11:00 am)

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

61°(10:54 am)

Trowbridge: Near Trowbridge Park

63° (11:10 am)

Negaunee: Negaunee MDOT station on Hwy 41

61° (12:02 pm)

Sawyer Airport: near Gwinn

63° (10:40 am)

Big Bay: Big Bay HADS station

69° (10:50 am)

Republic: Co Rd LD & 601

65° (11:00 am)

Upper Michigan

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

64° (10:45 am)

Munising: Munising Lakeshore AWOS station

65° (10:56 am)

Escanaba: Delta County Airport

73° (11:10 am)

Iron Mountain: Ford Airport

72° (11:10 am)

Houghton: Houghton County Memorial Airport

63° (11:10 am)

Ironwood: Gogebic County Airport

77° (11:10 am)

Sault Ste. Marie: Sault Ste. Marie Municipal Airport

70° (11:10 am)

All times Eastern

Marquette County Weather Forecast

via the National Weather Service

Updated: 07:16 AM EDT Jul 17, 2026

Today: Mostly cloudy with a chance of showers and thunderstorms. Smoke. Highs in the lower 80s. South winds 5 to 15 mph. Chance of rain 50 percent.
Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Areas of smoke. Lows around 63. Southwest winds 10 to 15 mph, becoming west after midnight. Chance of rain 50 percent.
Saturday: Cooler, smoke. Cloudy in the morning, then becoming partly cloudy. Highs around 73. Northwest winds 10 to 15 mph, becoming north in the afternoon. Gusts up to 30 mph.
Saturday Night: Areas of smoke in the evening. Clear. Lows 53 to 58. Northwest winds 5 to 10 mph.
Sunday: Mostly sunny. Highs around 80. Southwest winds 5 to 10 mph.
Sunday Night: A chance of showers after midnight. Partly cloudy. Lows around 61 inland to around 67 at the shore. Chance of rain 40 percent.
Monday: Very warm. Showers likely with a chance of thunderstorms. Highs 82 to 87. Chance of rain 70 percent.
Monday Night: A chance of showers and thunderstorms in the evening. Mostly clear. Lows 54 to 59 inland to around 61 at the shore. Chance of rain 50 percent.
Tuesday: Breezy, cooler. A chance of showers in the morning. Partly cloudy. Highs around 73. Chance of rain 40 percent.
Tuesday Night: Mostly clear. Lows 47 to 52 inland to around 56 at the shore.
Wednesday: Sunny. Highs around 74.
Wednesday Night: Mostly clear. Lows around 51 inland to around 58 at the shore.
Thursday: Sunny. Highs around 79.

U.P. Weather Story

Upper Peninsula Weather Story graphic
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XAir Quality Alert issued July 17 at 10:39AM EDT by NWS Marquette MI

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has issued an Air Quality Alert for July 17 and July 18 2026,
for elevated levels of fine particulate due to wildfire smoke.
Concentrations on Friday will range from Very Unhealthy in southern
areas to Hazardous in the north. On Saturday concentrations will
range from Unhealthy to Sensitive Groups (USG) in the south to Very
Unhealthy in northern portions of the state.

This is a Statewide Air Quality Alert.

Plumes of smoke from Canadian wildfires continue to drift across the
region. Elevated fine particulate due to the smoke will continue
through Saturday. The threat of increased ozone may come into play
Saturday as well.

Everyone should seek cleaner air indoors and keep activity levels
low. While indoors, take action to improve the indoor air quality
such as:

- Close windows and minimize opening of doors.
- If HVAC systems are not equipped with MERV-13 filters or higher,
use portable air cleaners.
- Avoid activities that make indoor air quality worse such as burning
candles, using vacuums without a HEPA filter, using gas stoves more
than necessary, smoking, and spraying aerosol products.

If you must be outdoors for short periods of time:

- Wear an N95 or P100 respirator marked with NIOSH. The respirator
should fit tightly, collapse as you breathe in and not let air in
from the sides.
- Do not use masks for children under age 2.

For up-to-date air quality data for Michigan, visit the MiAir site:
Michigan.gov/MiAir

For up-to-date air quality data nationally, visit EPA's Air Now
site: https://www.airnow.gov

For further health information, please see MDHHS' Wildfire Smoke and
Your Health site at https://www.michigan.gov/mdhhs/safety-injury-
prev/environmental-health/your-health-and-wildfire-smoke.

Air Quality Alert
Michigan Department of Environment, Great Lakes, and Energy
July 17 2026

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