Alert archive / Michigan / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 49, NWS Detroit, MI

June 27, 2025Livingston County, Shiawassee County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 27, 2025, 3:42 PM EDT for Livingston County, Shiawassee County, Michigan. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 27, 2025, 3:42 PM EDT (19:42 UTC)
Expired
Jun 27, 2025, 4:45 PM EDT
In force
63 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Livingston County, MI, Shiawassee County, MI

The radar

The Detroit radar (KDTX), 46 km from the middle of the area, began a volume at 19:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 2:00 PM EDTSevere Thunderstorm WatchSPC4 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 3:32 PM EDT, 10 minutes earlier.

Area forecast discussion, Jun 27, 3:32 PM EDT, 10 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 27, 5:02 AM EDT, 10 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
502 AM EDT Fri Jun 27 2025

MIZ047>049-053>055-060>063-068>070-075-076-082-083-280915-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
502 AM EDT Fri Jun 27 2025

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

A broken line of strong to severe thunderstorms will track across the
area between 4 PM and 9 PM this evening. Damaging wind gusts in
excess of 60 mph and heavy downpours are the primary threats. Localized
flooding will be possible, especially in more urbanized areas. Storm
motion will be west to east at 35 mph.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There will also be a chance of thunderstorms late Sunday night into
Tuesday as a cold front tracks through the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today and tonight.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-280915-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
502 AM EDT Fri Jun 27 2025

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...Today and Tonight

A broken line of strong to severe thunderstorms will track across the
area between 4 PM and 9 PM this evening. Damaging wind gusts in
excess of 60 mph and heavy downpours are the primary threats. Localized
flooding will be possible, especially in more urbanized areas. Storm
motion will be west to east at 35 mph.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There will also be a chance of thunderstorms late Sunday night into
Tuesday as a cold front tracks through the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today and tonight.

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

MV

In the hours before

Special weather statement, Jun 27, 3:34 PM EDT, 8 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 3:34 PM EDTSpecial Weather StatementDTXShiawassee56 min
Jun 27, 4:18 PM EDTSpecial Weather StatementDTXSaginaw, Tuscola57 min
Jun 27, 4:23 PM EDTSevere Thunderstorm WarningDTXGenesee, Livingston15 min
Jun 27, 4:40 PM EDTSpecial Weather StatementDTXGenesee65 min
Jun 27, 4:51 PM EDTSpecial Weather StatementDTXHuron24 min
Jun 27, 4:55 PM EDTSpecial Weather StatementDTXLenawee, Washtenaw65 min
Jun 27, 4:56 PM EDTSevere Thunderstorm WarningDTXGenesee, Oakland36 min
Jun 27, 5:38 PM EDTSpecial Weather StatementDTXLapeer, Macomb, Oakland, Saint Clair52 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2025Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.