524  
FNUS53 KGRR 260816  
FWFGRR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
416 AM EDT FRI APR 26 2024  
   
..WARMER WEATHER AND RAIN ON THE WAY
 
 
   
DISCUSSION
 
 
A DEEP SOUTHERLY FLOW OF AIR WILL BE ON THE WAY OVER THE NEXT FEW  
DAYS. IN FACT, SOUTHERLY WINDS WILL BE IN PLACE FROM TODAY THROUGH  
MONDAY. HIGH TEMPERATURES SATURDAY THROUGH MONDAY WILL PUSH WELL INTO  
THE 70S WITH SUMMER LIKE DEW POINTS RISING INTO THE 60S. PERIODS OF  
SHOWERS AND STORMS ARE EXPECTED FROM TONIGHT THROUGH MONDAY. RAINFALL  
AMOUNTS WILL BE HIGHEST OVER CENTRAL LOWER MICHIGAN WHERE TOTALS WILL  
LIKELY EXCEED AN INCH BY TUESDAY.  
 
MIZ037>039-043>045-262030-  
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,  
FREMONT, AND BIG RAPIDS  
416 AM EDT FRI APR 26 2024  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT) UNTIL 5 PM, THEN MOSTLY  
CLOUDY (75-85 PERCENT). AREAS OF FROST UNTIL 9  
AM.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........22-27 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 12 TO 17 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3900-4400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....820-1010 (EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN SHOWERS  
UNTIL 11 PM, THEN RAIN SHOWERS. CHANCE OF  
THUNDERSTORMS AFTER 2 AM.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......23 DEGREES WARMER.  
MAX HUMIDITY........88-93 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 13 TO 18 MPH WITH GUSTS TO  
AROUND 28 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......1500-2000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....260-380 (FAIR TO GOOD).  
PCPN AMOUNT.........0.31-0.51 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........62-67 PERCENT.  
24 HR TREND......41 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 16 TO 21 MPH WITH GUSTS TO AROUND  
34 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1300-1800 FT AGL NEAR LAKE MICHIGAN AND  
2700-3200 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
SMOKE DISPERSAL.....850-1090 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.05 IN.  
 

 
 
MIZ040-046-262030-  
CLARE-ISABELLA-  
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT  
416 AM EDT FRI APR 26 2024  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT) UNTIL 5 PM, THEN PARTLY  
SUNNY (65-75 PERCENT). AREAS OF FROST UNTIL 9  
AM.  
MAX TEMPERATURE.....AROUND 63.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........24-29 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4300-4800 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....780-940 (EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS  
UNTIL 11 PM, THEN RAIN SHOWERS. SLIGHT CHANCE  
OF THUNDERSTORMS AFTER 2 AM.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....AROUND 52.  
24 HR TREND......23 DEGREES WARMER.  
MAX HUMIDITY........85-90 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH AND GUSTY.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1000-1500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....170-240 (FAIR).  
PCPN AMOUNT.........0.24-0.40 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT) UNTIL 5 PM, THEN PARTLY  
SUNNY (65-75 PERCENT). RAIN SHOWERS LIKELY  
UNTIL 2 PM.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........58-63 PERCENT.  
24 HR TREND......37 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 14 TO 19 MPH WITH GUSTS TO  
AROUND 30 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3100-3600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
SMOKE DISPERSAL.....820-1080 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.07 IN.  
 

 
 
MIZ050-056-064-071-262030-  
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-  
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,  
AND SOUTH HAVEN  
416 AM EDT FRI APR 26 2024  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT) UNTIL 2 PM, THEN MOSTLY  
CLOUDY (65-75 PERCENT). CHANCE OF RAIN SHOWERS  
AFTER 5 PM.  
CHANCE OF PCPN......30 PERCENT LATE IN THE DAY.  
MAX TEMPERATURE.....62-67.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........29-34 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 13 TO 18 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3800-4300 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....780-1000 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.03 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS. CHANCE OF  
THUNDERSTORMS AFTER 11 PM.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......22 DEGREES WARMER.  
MAX HUMIDITY........85-90 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 14 TO 19 MPH WITH GUSTS TO  
AROUND 28 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......900-1400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....230-260 (FAIR).  
PCPN AMOUNT.........0.17-0.47 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN  
SHOWERS UNTIL 5 PM. CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........56-61 PERCENT.  
24 HR TREND......31 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH WINDS 17 TO 22 MPH WITH GUSTS TO AROUND  
33 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2500-3000 FT AGL NEAR LAKE MICHIGAN AND  
4000-4500 FT AGL INLAND.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.  
SMOKE DISPERSAL.....1170-1530 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.04 IN.  
 

 
 
MIZ051-052-057>059-262030-  
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,  
AND ST. JOHNS  
416 AM EDT FRI APR 26 2024  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT) UNTIL 5 PM, THEN MOSTLY  
CLOUDY (70-80 PERCENT). AREAS OF FROST UNTIL 9  
AM.  
MAX TEMPERATURE.....AROUND 65.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........24-29 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 11 TO 16 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4200-4700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....740-900 (EXCELLENT).  
PCPN AMOUNT.........NONE.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS  
UNTIL 11 PM, THEN RAIN SHOWERS. CHANCE OF  
THUNDERSTORMS AFTER 2 AM.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....AROUND 54.  
24 HR TREND......22 DEGREES WARMER.  
MAX HUMIDITY........85-90 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS 12 TO 17 MPH AND GUSTY.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......700-1200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....180-220 (FAIR).  
PCPN AMOUNT.........0.18-0.37 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
LIKELY UNTIL 2 PM. CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........57-62 PERCENT.  
24 HR TREND......35 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 16 TO 21 MPH WITH GUSTS TO  
AROUND 32 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4100-4600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.  
SMOKE DISPERSAL.....1160-1490 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.08 IN.  
 

 
 
MIZ065>067-072>074-262030-  
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,  
BATTLE CREEK, AND JACKSON  
416 AM EDT FRI APR 26 2024  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT) UNTIL 5 PM, THEN MOSTLY  
CLOUDY (70-80 PERCENT).  
MAX TEMPERATURE.....AROUND 65.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........29-34 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 11 TO 16 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3700-4200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....710-880 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.01 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN  
SHOWERS UNTIL 11 PM, THEN RAIN SHOWERS AND A  
CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......90 PERCENT.  
MIN TEMPERATURE.....AROUND 54.  
24 HR TREND......23 DEGREES WARMER.  
MAX HUMIDITY........85-90 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 13 TO 18 MPH WITH GUSTS TO  
AROUND 27 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......600-1100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....170-230 (FAIR).  
PCPN AMOUNT.........0.09-0.25 IN.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS  
LIKELY UNTIL 2 PM. CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........56-61 PERCENT.  
24 HR TREND......31 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 16 TO 21 MPH WITH GUSTS TO  
AROUND 33 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4000-4500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.  
SMOKE DISPERSAL.....1220-1490 (EXCELLENT).  
PCPN AMOUNT.........0.02-0.11 IN.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. SOUTHWEST WINDS 13 TO 18 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTHWEST WINDS 9 TO 14 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. SOUTH WINDS 12 TO 17 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 70S. SOUTH WINDS 16 TO 21 MPH.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 13 TO 18 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S.    
WEDNESDAY
 
MOSTLY SUNNY. CHANCE OF SHOWERS. HIGHS IN THE LOWER  
70S.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 50.    
THURSDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
60S.  
 

 
 
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