Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Rapids, MI

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000
FNUS53 KGRR 181907
FWFGRR

Fire Weather Planning Forecast for Southwest Lower Michigan
National Weather Service Grand Rapids MI
307 PM EDT Fri Jun 18 2021

...Chance of Rain on Saturday...

.DISCUSSION...
Low pressure will bring a chance of rain on Saturday morning
and then again on Sunday evening. Much cooler weather will
move in for early next week.

MIZ037>039-043>045-190815-
Mason-Lake-Osceola-Oceana-Newaygo-Mecosta-
Including the cities of Ludington, Baldwin, Reed City, Hart,
Fremont, and Big Rapids
307 PM EDT Fri Jun 18 2021

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent). Chance of rain
                    showers and a slight chance of thunderstorms
                    after 0400.
Chance of pcpn......30 percent overnight.
Min temperature.....54-59.
   24 hr trend......8 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 9 mph.
Haines Index........6 or high potential for large plume dominated
                    fire growth.
Mixing height.......0-200 ft AGL near Lake Michigan and 1200-1700
                    ft AGL inland.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....0-200 (poor to fair).
Pcpn Amount.........None to 0.14 in.

.SATURDAY...
Sky/weather.........Mostly sunny (35-45 percent). Chance of showers
                    until 1700. Slight chance of thunderstorms.
Chance of pcpn......30 percent.
Max temperature.....75-80.
   24 hr trend......5 degrees cooler.
Min humidity........49-54 percent near Lake Michigan and 41-46
                    percent Inland.
   24 hr trend......7 percent drier near Lake Michigan and 3
                    percent wetter Inland.
20-foot winds.......West winds 6 to 11 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......2200-2700 ft AGL near Lake Michigan and
                    3500-4000 ft AGL inland.
Transport winds.....Southeast around 5 mph shifting to the
                    southwest in the afternoon.
Smoke dispersal.....400-600 (good to excellent).
Pcpn Amount.........none to 0.10 in.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....48-53.
   24 hr trend......3 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 5 mph in the evening
                    becoming light.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1400-1900 ft AGL.
Transport winds.....North 5 to 10 mph.
Smoke dispersal.....0-100 (poor).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (35-45 percent) until 1400, then
                    mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms after 1400.
Chance of pcpn......40 percent in the afternoon.
Max temperature.....78-83.
   24 hr trend......3 degrees warmer.
Min humidity........50-55 percent near Lake Michigan and 39-44
                    percent Inland.
   24 hr trend......9 percent wetter near Lake Michigan and 3
                    percent drier Inland.
20-foot winds.......Light winds becoming south around 8 mph in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1900-2400 ft AGL near Lake Michigan and
                    3000-3500 ft AGL inland.
Transport winds.....Southeast 5 to 10 mph.
Smoke dispersal.....200-500 (fair to good).
Pcpn Amount.........0.02-0.30 in.


$$

MIZ040-046-190815-
Clare-Isabella-
Including the cities of Clare and Mount Pleasant
307 PM EDT Fri Jun 18 2021

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent). Slight chance of
                    showers and thunderstorms after 0500.
Chance of pcpn......20 percent toward daybreak.
Min temperature.....53-58.
   24 hr trend......9 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........6 or high potential for large plume dominated
                    fire growth.
Mixing height.......2800-3300 ft AGL decreasing to 0-100 ft AGL
                    overnight.
Transport winds.....West around 5 mph.
Smoke dispersal.....500 (good) decreasing to 0 (poor) overnight.
Pcpn Amount.........none to 0.01 in.

.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent) until 1700, then
                    sunny (20-30 percent). Chance of showers and a
                    slight chance of thunderstorms.
Chance of pcpn......30 percent.
Max temperature.....Around 80.
   24 hr trend......4 degrees cooler.
Min humidity........40-45 percent.
   24 hr trend......7 percent wetter.
20-foot winds.......West winds 6 to 11 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3700-4200 ft AGL.
Transport winds.....Southwest around 10 mph.
Smoke dispersal.....300-600 (good to excellent).
Pcpn Amount.........None to 0.12 in.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....48-53.
   24 hr trend......3 degrees cooler.
Max humidity........88-93 percent.
   24 hr trend......Unchanged.
20-foot winds.......North winds around 6 mph in the evening
                    becoming light.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2000-2500 ft AGL.
Transport winds.....North around 5 mph.
Smoke dispersal.....100-200 (poor to fair).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent) until 1700, then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms after 1400.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....Around 83.
   24 hr trend......3 degrees warmer.
Min humidity........37-42 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming south around 7 mph in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3600-4100 ft AGL.
Transport winds.....West around 0 mph increasing to southeast
                    around 10 mph in the afternoon.
Smoke dispersal.....100-500 (poor to good).
Pcpn Amount.........none to 0.09 in.


$$

MIZ050-056-064-071-190815-
Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland,
and South Haven
307 PM EDT Fri Jun 18 2021

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent). Chance of rain
                    showers and a slight chance of thunderstorms
                    after 0400.
Chance of pcpn......30 percent overnight.
Min temperature.....59-64.
   24 hr trend......2 degrees cooler.
Max humidity........92-97 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 8 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......200-700 ft AGL.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....0-100 (poor).
Pcpn Amount.........None to 0.34 in.

.SATURDAY...
Sky/weather.........Mostly sunny (40-50 percent). Chance of showers
                    and a slight chance of thunderstorms until
                    1400.
Chance of pcpn......30 percent until midday.
Max temperature.....80-85.
   24 hr trend......1 degree cooler.
Min humidity........46-51 percent.
   24 hr trend......2 percent drier.
20-foot winds.......West winds 6 to 11 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Near Lake Michigan, 2500-3000 ft AGL.
Mixing height....... inland, 3400-3900 ft AGL increasing to
                    5600-6100 ft AGL in the afternoon.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....500 (good) increasing to 1000 (excellent) in
                    the afternoon.
Pcpn Amount.........0.01-0.12 in.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....54-59.
   24 hr trend......5 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......200-700 ft AGL.
Transport winds.....West around 5 mph.
Smoke dispersal.....0 (poor).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of showers
                    and thunderstorms after 1400.
Chance of pcpn......40 percent in the afternoon.
Max temperature.....84-89.
   24 hr trend......6 degrees warmer.
Min humidity........44-49 percent.
   24 hr trend......8 percent drier.
20-foot winds.......Light winds becoming south around 9 mph in the
                    afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......1700-2200 ft AGL near Lake Michigan and
                    3800-4300 ft AGL inland.
Transport winds.....Southeast around 5 mph increasing to around 15
                    mph in the afternoon.
Smoke dispersal.....200 (fair) increasing to 700 (excellent) in the
                    afternoon.
Pcpn Amount.........0.01-0.23 in.


$$

MIZ051-052-057>059-190815-
Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia,
and St. Johns
307 PM EDT Fri Jun 18 2021

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent). Chance of rain
                    showers and a slight chance of thunderstorms
                    after 0400.
Chance of pcpn......30 percent overnight.
Min temperature.....57-62.
   24 hr trend......5 degrees cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 9 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1100-1600 ft AGL.
Transport winds.....Southwest around 5 mph.
Smoke dispersal.....0-200 (poor to fair).
Pcpn Amount.........None to 0.23 in.

.SATURDAY...
Sky/weather.........Mostly sunny (45-55 percent). Showers likely
                    until 1100. Slight chance of thunderstorms.
                    Chance of showers after 1100.
Chance of pcpn......60 percent.
Max temperature.....80-85.
   24 hr trend......1 degree cooler.
Min humidity........44-49 percent.
   24 hr trend......4 percent drier.
20-foot winds.......West winds 6 to 11 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......4200-4700 ft AGL.
Transport winds.....Northeast around 10 mph shifting to the south
                    in the afternoon.
Smoke dispersal.....500-800 (good to excellent).
Pcpn Amount.........0.07-0.31 in.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....53-58.
   24 hr trend......2 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2300-2800 ft AGL.
Transport winds.....West around 5 mph shifting to the north
                    overnight.
Smoke dispersal.....100-200 (poor to fair).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (40-50 percent) until 1700, then
                    mostly cloudy (70-80 percent). Chance of
                    showers and thunderstorms after 1400.
Chance of pcpn......30 percent in the afternoon.
Max temperature.....83-88.
   24 hr trend......3 degrees warmer.
Min humidity........37-42 percent.
   24 hr trend......6 percent drier.
20-foot winds.......Light winds becoming south around 9 mph in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3600-4100 ft AGL.
Transport winds.....West around 0 mph increasing to southeast
                    around 15 mph in the afternoon.
Smoke dispersal.....100-400 (poor to good).
Pcpn Amount.........0.01-0.23 in.


$$

MIZ065>067-072>074-190815-
Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Charlotte, Lansing, Kalamazoo,
Battle Creek, and Jackson
307 PM EDT Fri Jun 18 2021

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent). Chance of
                    showers and a slight chance of thunderstorms
                    after 0400.
Chance of pcpn......30 percent overnight.
Min temperature.....Around 62.
   24 hr trend......1 degree cooler.
Max humidity........95-100 percent.
   24 hr trend......Unchanged.
20-foot winds.......Southwest winds 5 to 9 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1200-1700 ft AGL.
Transport winds.....West around 5 mph shifting to the south
                    overnight.
Smoke dispersal.....0-200 (poor to fair).
Pcpn Amount.........None to 0.12 in.

.SATURDAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of showers
                    and a slight chance of thunderstorms.
Chance of pcpn......40 percent.
Max temperature.....Around 85.
   24 hr trend......1 degree warmer.
Min humidity........43-48 percent.
   24 hr trend......6 percent drier.
20-foot winds.......West winds 5 to 10 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6000-6500 ft AGL.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....500 (good) increasing to 1100 (excellent) in
                    the afternoon.
Pcpn Amount.........0.02-0.36 in.

.SATURDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 59.
   24 hr trend......4 degrees cooler.
Max humidity........91-96 percent.
   24 hr trend......Unchanged.
20-foot winds.......Northwest winds around 5 mph in the evening
                    becoming light.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......1700-2200 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the west
                    overnight.
Smoke dispersal.....100 (poor).
Pcpn Amount.........None.

.SUNDAY...
Sky/weather.........Mostly sunny (45-55 percent). Chance of showers
                    and thunderstorms after 1400.
Chance of pcpn......40 percent in the afternoon.
Max temperature.....Around 88.
   24 hr trend......3 degrees warmer.
Min humidity........36-41 percent.
   24 hr trend......1 percent drier.
20-foot winds.......Light winds becoming southwest around 9 mph in
                    the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......3400-3900 ft AGL.
Transport winds.....Northwest around 5 mph increasing to south
                    around 15 mph in the afternoon.
Smoke dispersal.....100 (poor) increasing to 700 (excellent) in the
                    afternoon.
Pcpn Amount.........none to 0.09 in.


$$

.FORECAST FOR DAYS 3 THROUGH 7...

.SUNDAY NIGHT...Mostly cloudy with showers and thunderstorms. Lows
in the lower 60s. Southwest winds 7 to 12 mph.
.MONDAY...Partly sunny with a chance of showers and thunderstorms.
Highs in the lower 70s. West winds 9 to 14 mph.
.MONDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. North
winds 6 to 11 mph.
.TUESDAY...Sunny. Highs in the upper 60s. Northwest winds 6 to
11 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds 5 to 9 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
7 to 12 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows around 60.
.FRIDAY...Partly sunny with a chance of showers and thunderstorms.
Highs in the lower 80s.

$$


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