Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
340 AM EDT Tue Apr 21 2026

MIZ037>040-043>046-050>052-056>059-064>067-071>074-220745-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
340 AM EDT Tue Apr 21 2026

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

.DAY ONE...Today and Tonight

Showers with an isolated thunderstorm could develop this
afternoon into evening. If a thunderstorm occurs this evening in
Southwest Michigan, wind gusts over 40 mph are possible, which
would be most favored in areas near I-94 and south.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There is a chance of thunderstorms on Friday. The potential for
severe weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Flood Statement
National Weather Service Grand Rapids MI
1116 AM EDT Mon Apr 20 2026

...The Flood Warning continues for the following rivers in
Michigan...

  Grand River at Grand Rapids affecting Kent County.

  Grand River at Robinson Township affecting Ottawa County.

  Grand River at Ionia affecting Ionia County.

  Grand River near Comstock Park affecting Kent County.

  Maple River at Maple Rapids affecting Clinton County.

  Thornapple River Above Hastings affecting Barry County.

  Muskegon River Near Croton affecting Newaygo County.

  Portage River near Vicksburg affecting Kalamazoo County.

...The Flood Warning is extended for the following rivers in
Michigan...

  Grand River at Lowell affecting Kent County.

  Muskegon River at Bridgeton affecting Newaygo County.

  Muskegon River at Newaygo affecting Newaygo County.

  Muskegon River At Evart affecting Osceola County.

...The Flood Warning is cancelled for the following rivers in
Michigan...

  Grand River at Ada affecting Kent County.

  Grand River at Lansing affecting Ingham County.

  Red Cedar River At East Lansing affecting Ingham County.

  Pere Marquette River near Scottville affecting Mason County.

  White River near Whitehall affecting Muskegon County.

  Chippewa River below Mt. Pleasant affecting Isabella County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This will be the last river flood statement on this event. Stay
tuned to developments.

Additional information is available at www.weather.gov/grr.

&&

MIC081-211615-
/O.EXT.KGRR.FL.W.0035.000000T0000Z-260426T0900Z/
/CMPM4.2.ER.260416T1145Z.260420T1447Z.260425T0900Z.NO/
1116 AM EDT Mon Apr 20 2026

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SUNDAY MORNING...

* WHAT...Moderate flooding is occurring and moderate flooding is
  forecast.

* WHERE...Grand River near Comstock Park.

* WHEN...Until early Sunday morning.

* IMPACTS...At 16.0 feet, Major flooding on homes along Abrigador
  Trail, Willow Drive, Riverbank Street and Konkle Drive. In
  Comstock Park and Plainfield Township approximately 100 homes
  affected by flooding.

* ADDITIONAL DETAILS...
  - At 10:47 AM EDT Monday the stage was 15.3 feet.
  - Bankfull stage is 11.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:47 AM EDT Monday was 15.3 feet.
  - Forecast...The river is expected to fall below flood stage
    early Saturday morning and continue falling to 11.2 feet
    Monday, April 27.
  - Flood stage is 12.0 feet.
  - Flood History...This crest compares to a previous crest of
    15.3 feet on 04/07/1950.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4298 8572 4308 8570 4309 8557 4302 8559
      4303 8562 4297 8563


$$

Flood Statement
National Weather Service Grand Rapids MI
1116 AM EDT Mon Apr 20 2026

...The Flood Warning continues for the following rivers in
Michigan...

  Grand River at Grand Rapids affecting Kent County.

  Grand River at Robinson Township affecting Ottawa County.

  Grand River at Ionia affecting Ionia County.

  Grand River near Comstock Park affecting Kent County.

  Maple River at Maple Rapids affecting Clinton County.

  Thornapple River Above Hastings affecting Barry County.

  Muskegon River Near Croton affecting Newaygo County.

  Portage River near Vicksburg affecting Kalamazoo County.

...The Flood Warning is extended for the following rivers in
Michigan...

  Grand River at Lowell affecting Kent County.

  Muskegon River at Bridgeton affecting Newaygo County.

  Muskegon River at Newaygo affecting Newaygo County.

  Muskegon River At Evart affecting Osceola County.

...The Flood Warning is cancelled for the following rivers in
Michigan...

  Grand River at Ada affecting Kent County.

  Grand River at Lansing affecting Ingham County.

  Red Cedar River At East Lansing affecting Ingham County.

  Pere Marquette River near Scottville affecting Mason County.

  White River near Whitehall affecting Muskegon County.

  Chippewa River below Mt. Pleasant affecting Isabella County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This will be the last river flood statement on this event. Stay
tuned to developments.

Additional information is available at www.weather.gov/grr.

&&

MIC081-211615-
/O.EXT.KGRR.FL.W.0046.000000T0000Z-260422T1000Z/
/LWLM4.1.ER.260418T0905Z.260419T2230Z.260421T1000Z.NO/
1116 AM EDT Mon Apr 20 2026

...FLOOD WARNING NOW IN EFFECT UNTIL WEDNESDAY MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Grand River at Lowell.

* WHEN...Until Wednesday morning.

* IMPACTS...At 16.0 feet, Lowell fairgrounds flooded, low sections
  of Bowes Road, Division, Front Street, and Jackson flooded in the
  city of Lowell.

* ADDITIONAL DETAILS...
  - At 6:53 AM EDT Monday the stage was 15.6 feet.
  - Bankfull stage is 10.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:53 AM EDT Monday was 15.7 feet.
  - Forecast...The river is expected to fall below flood stage
    tomorrow morning and continue falling to 9.7 feet Monday,
    April 27.
  - Flood stage is 15.0 feet.
  - Flood History...This crest compares to a previous crest of
    15.5 feet on 03/09/1946.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4298 8541 4296 8534 4297 8524 4290 8521
      4289 8534 4289 8548


$$

Flood Statement
National Weather Service Grand Rapids MI
1116 AM EDT Mon Apr 20 2026

...The Flood Warning continues for the following rivers in
Michigan...

  Grand River at Grand Rapids affecting Kent County.

  Grand River at Robinson Township affecting Ottawa County.

  Grand River at Ionia affecting Ionia County.

  Grand River near Comstock Park affecting Kent County.

  Maple River at Maple Rapids affecting Clinton County.

  Thornapple River Above Hastings affecting Barry County.

  Muskegon River Near Croton affecting Newaygo County.

  Portage River near Vicksburg affecting Kalamazoo County.

...The Flood Warning is extended for the following rivers in
Michigan...

  Grand River at Lowell affecting Kent County.

  Muskegon River at Bridgeton affecting Newaygo County.

  Muskegon River at Newaygo affecting Newaygo County.

  Muskegon River At Evart affecting Osceola County.

...The Flood Warning is cancelled for the following rivers in
Michigan...

  Grand River at Ada affecting Kent County.

  Grand River at Lansing affecting Ingham County.

  Red Cedar River At East Lansing affecting Ingham County.

  Pere Marquette River near Scottville affecting Mason County.

  White River near Whitehall affecting Muskegon County.

  Chippewa River below Mt. Pleasant affecting Isabella County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This will be the last river flood statement on this event. Stay
tuned to developments.

Additional information is available at www.weather.gov/grr.

&&

MIC081-211200-
/O.EXT.KGRR.FL.W.0048.000000T0000Z-260421T1200Z/
/GDRM4.1.ER.000000T0000Z.260420T1330Z.260421T0000Z.NO/
1116 AM EDT Mon Apr 20 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Grand River at Grand Rapids.

* WHEN...Until tomorrow morning.

* IMPACTS...At 18.0 feet, Expect minor flooding of basements in low
  lying areas in Grand Rapids. Moderate flooding of homes and
  structures occurs upstream at Comstock Park and downstream in
  Robinson Township.

* ADDITIONAL DETAILS...
  - At 10:00 AM EDT Monday the stage was 18.0 feet.
  - Bankfull stage is 12.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 AM EDT Monday was 18.0 feet.
  - Forecast...The river is expected to fall below flood stage
    this evening and continue falling to 11.2 feet Monday, April
    27.
  - Flood stage is 18.0 feet.
  - Flood History...This crest compares to a previous crest of
    17.9 feet on 04/10/2017.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4297 8583 4295 8578 4298 8572 4297 8563
      4288 8574 4291 8589


$$

Hazard Report Provided By forecast.weather.gov