Watches, Warnings & Advisories



3 products issued by NWS for: Hart MI

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
515 AM EDT Fri Apr 17 2026

MIZ037>040-043>046-050>052-056>059-064>067-071>074-180915-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
515 AM EDT Fri Apr 17 2026

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Dense fog will keep visibilities a quarter mile or less this
morning which will impact this morning`s commute.

Strong to severe storms will be possible this evening into early
tomorrow. Damaging winds and large hail are the main threat

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No Hazardous weather is expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening.

$$



Flash Flood Watch

Flood Watch
National Weather Service Grand Rapids MI
753 AM EDT Fri Apr 17 2026

MIZ043-180000-
/O.EXT.KGRR.FF.A.0001.000000T0000Z-260418T0000Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Oceana-
Including the cities of Hart
753 AM EDT Fri Apr 17 2026

...FLASH FLOOD WATCH FOR THE POTENTIAL FAILURE OF HESPERIA DAM ON
THE WHITE RIVER NOW IN EFFECT THROUGH THIS EVENING...

* WHAT...Flash Flooding caused by a potential dam failure continues
  to be possible at the Hesperia Dam.

* WHERE...A portion of west central Michigan, including the
  following county, Oceana.

* WHEN...Through this evening.

* IMPACTS...Dam failure may result in flash flooding of low-lying
  areas below the dam.

* ADDITIONAL DETAILS...
  - Water from recent heavy rain continues to work through the
    White River. Flow at the Hesperia Dam remains very high.
    Water levels may begin to drop by later today.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Dam safety experts with state and local emergency services are
monitoring the dam and will issue a public statement as conditions
warrant. PLAN NOW so you will know what to do in an emergency. Keep
informed by listening to local radio and television for statements
and possible warnings. Follow the advice of public safety officials.

&&

$$

AMD




Dense Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Grand Rapids MI
533 AM EDT Fri Apr 17 2026

MIZ037>040-043>046-050>052-056>059-064>067-071>074-171500-
/O.CON.KGRR.FG.Y.0004.000000T0000Z-260417T1500Z/
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
Including the cities of Alma, Grand Rapids, South Haven,
Hastings, Charlotte, Mount Pleasant, Big Rapids, Lansing,
Ludington, Battle Creek, Fremont, Hart, Greenville, Jenison,
Ionia, Kalamazoo, St. Johns, Clare, Holland, Reed City, Muskegon,
Baldwin, Grand Haven, and Jackson
533 AM EDT Fri Apr 17 2026

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of central, south central, southwest, and west
  central Michigan.

* WHEN...Until 11 AM EDT this morning.

* IMPACTS...Low visibility will make for hazardous driving
  conditions. Fog is expected to gradually thicken this morning and
  will affect this morning`s commute.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

JC