Heat, Alger
- When
- July 27, 11:00 AM EST to 2:00 PM EST
- Where
- Alger forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.451, -86.548 (the zone’s center; the record gives no point)
Heat and Hail in Michigan, July 27, 2025
A hot and humid airmass brought heat indices as high as 100-105F for much of Upper Michigan on the 27th. Also, a severe thunderstorm developed along a lake breeze and resulted in several reports of large hail in Alger County.
Where it happened
Every event with a place to put it; 11 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 16
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS MQT wrote it up.
A hot and humid airmass brought heat indices as high as 100-105F for much of Upper Michigan on the 27th. Also, a severe thunderstorm developed along a lake breeze and resulted in several reports of large hail in Alger County.
The radar
The Marquette radar (KMQT), 77 km away, was scanning. The volume nearest the first event began at 18:52 UTC.
Event by event
11 heat, 5 hail. Local standard time, as filed.
Heat, Baraga
- When
- July 27, 11:00 AM EST to 4:00 PM EST
- Where
- Baraga forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.700, -88.352 (the zone’s center; the record gives no point)
Heat, Delta
- When
- July 27, 11:00 AM EST to 4:00 PM EST
- Where
- Delta forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.792, -86.871 (the zone’s center; the record gives no point)
Heat, Marquette
- When
- July 27, 11:00 AM EST to 4:00 PM EST
- Where
- Marquette forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.663, -87.573 (the zone’s center; the record gives no point)
Heat, Northern Houghton
- When
- July 27, 11:00 AM EST to 4:00 PM EST
- Where
- Northern Houghton forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.992, -88.652 (the zone’s center; the record gives no point)
Heat, Ontonagon
- When
- July 27, 11:00 AM EST to 4:00 PM EST
- Where
- Ontonagon forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.778, -89.305 (the zone’s center; the record gives no point)
Heat, Southern Houghton
- When
- July 27, 11:00 AM EST to 4:00 PM EST
- Where
- Southern Houghton forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.992, -88.652 (the zone’s center; the record gives no point)
Heat, Dickinson
- When
- July 27, 11:00 AM CST to 4:00 PM CST
- Where
- Dickinson forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.009, -87.870 (the zone’s center; the record gives no point)
Heat, Gogebic
- When
- July 27, 11:00 AM CST to 4:00 PM CST
- Where
- Gogebic forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.496, -89.796 (the zone’s center; the record gives no point)
Heat, Iron
- When
- July 27, 11:00 AM CST to 4:00 PM CST
- Where
- Iron forecast zone
- Reported by
- Mesonet
- Coordinates
- 46.209, -88.530 (the zone’s center; the record gives no point)
Heat, Menominee
- When
- July 27, 11:00 AM CST to 4:00 PM CST
- Where
- Menominee forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.525, -87.510 (the zone’s center; the record gives no point)
Hail, Alger
- When
- July 27, 1:50 PM EST
- Where
- Alger County, 2.07 mi N of Sundell
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 46.380, -87.080
Hail, Alger
- When
- July 27, 2:09 PM EST
- Where
- Alger County, 0.48 mi W of Chatham
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 46.350, -86.930
Hail, Alger
- When
- July 27, 2:13 PM EST
- Where
- Alger County, 1.43 mi E of Chatham
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 46.350, -86.890
Hail, Alger
- When
- July 27, 2:33 PM EST
- Where
- Alger County, 6.02 mi SSE of Forest Lake
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 46.250, -86.780
Facebook comment with picture showed hail ranging from marble to quarter size.
Hail, Alger
- When
- July 27, 2:38 PM EST
- Where
- Alger County, 7.62 mi SE of Forest Lake
- Measured
- 1 in hail
- Reported by
- Public
- Coordinates
- 46.250, -86.720
Hail ranged from pea to quarter size.
What these are
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flooding and Debris Flow in Nevada, July 27, 2025
- Tornado and Flooding in South Dakota, July 27 to 31, 2025
- Tornado and Flash Flooding in New Mexico, July 27 to 31, 2025
- Flash Flooding and Flooding in Ohio, July 27, 2025
- Hail and Damaging Winds in Virginia, July 27, 2025
- Damaging Winds in Iowa, July 27 to 28, 2025
- Damaging Winds in Virginia, July 27, 2025
- Flash Flood in Illinois, July 27, 2025
- Hail and Damaging Winds in Minnesota, July 27, 2025
- Flash Flooding and Hail in Minnesota, July 27, 2025
- Damaging Winds in Maryland, July 27, 2025
- Excessive Heat in Nebraska, July 27 to 28, 2025
More
Every storm in Michigan in 2025Every state in 2025This day in weather historyWarnings in Michigan, July 2025
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1287903, 1287904, 1287905, 1287909, 1287911, 1287912, 1287913, 1287906, 1287907, 1287908, 1287910, 1287897, 1287898, 1287899, 1287900, 1287902.