620  
FNUS53 KGRR 180714  
FWFGRR  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST LOWER MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
314 AM EDT MON JUN 18 2018  
   
..RAIN ON THE WAY
 
 
   
DISCUSSION
 
 
A COLD FRONT PUSHING DOWN FROM THE NORTH WILL BRING SHOWERS  
AND THUNDERSTORMS TODAY AND TONIGHT AND USHER IN COOLER  
WEATHER FOR THE REST OF THE WEEK.  
 
MIZ037>039-043>045-182015-  
MASON-LAKE-OSCEOLA-OCEANA-NEWAYGO-MECOSTA-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, HART,  
FREMONT, AND BIG RAPIDS  
314 AM EDT MON JUN 18 2018  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 1100, THEN  
SHOWERS AND THUNDERSTORMS LIKELY UNTIL 1400,  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........65-70 PERCENT.  
24 HR TREND......22 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 11 MPH SHIFTING TO THE  
NORTHWEST AROUND 10 MPH IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......300-800 FT AGL NEAR LAKE MICHIGAN AND 2900-3400  
FT AGL INLAND.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
SMOKE DISPERSAL.....400 (GOOD).  
PCPN AMOUNT.........0.16-0.50 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS UNTIL 0500. SLIGHT CHANCE OF  
THUNDERSTORMS.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....57-62.  
24 HR TREND......10 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......0-100 FT AGL NEAR LAKE MICHIGAN AND 1100-1600  
FT AGL INLAND.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE TO 0.08 IN.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).  
MAX TEMPERATURE.....74-79.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........48-53 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......300-800 FT AGL NEAR LAKE MICHIGAN AND 5600-6100  
FT AGL INLAND.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
SMOKE DISPERSAL.....300-500 (GOOD).  
PCPN AMOUNT.........NONE TO 0.15 IN.  
 

 
 
MIZ040-046-182015-  
CLARE-ISABELLA-  
INCLUDING THE CITIES OF CLARE AND MOUNT PLEASANT  
314 AM EDT MON JUN 18 2018  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 1100, THEN  
SHOWERS AND THUNDERSTORMS LIKELY UNTIL 1200,  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....80-85.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........63-68 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2600-3100 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
SMOKE DISPERSAL.....400-500 (GOOD).  
PCPN AMOUNT.........0.15-0.34 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 0200.  
CHANCE OF PCPN......30 PERCENT IN THE EVENING.  
MIN TEMPERATURE.....AROUND 61.  
24 HR TREND......11 DEGREES COOLER.  
MAX HUMIDITY........92-97 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......1000-1500 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....0-200 (POOR TO FAIR).  
PCPN AMOUNT.........NONE TO 0.10 IN.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).  
MAX TEMPERATURE.....AROUND 77.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........47-52 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......5600-6100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.  
SMOKE DISPERSAL.....400-500 (GOOD).  
PCPN AMOUNT.........NONE TO 0.02 IN.  
 

 
 
MIZ050-056-064-071-182015-  
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-  
INCLUDING THE CITIES OF MUSKEGON, GRAND HAVEN, JENISON, HOLLAND,  
AND SOUTH HAVEN  
314 AM EDT MON JUN 18 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........51-56 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......200-700 FT AGL NEAR LAKE MICHIGAN AND 2500-3000  
FT AGL INLAND.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
SMOKE DISPERSAL.....500 (GOOD).  
PCPN AMOUNT.........0.02-0.26 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2300, THEN  
SHOWERS AND THUNDERSTORMS LIKELY UNTIL 0200,  
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....62-67.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH SHIFTING TO THE  
NORTHEAST AROUND 6 MPH OVERNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......300-800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........0.05-0.48 IN.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........56-61 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2600-3100 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH.  
SMOKE DISPERSAL.....300-400 (GOOD).  
PCPN AMOUNT.........NONE TO 0.17 IN.  
 

 
 
MIZ051-052-057>059-182015-  
MONTCALM-GRATIOT-KENT-IONIA-CLINTON-  
INCLUDING THE CITIES OF GREENVILLE, ALMA, GRAND RAPIDS, IONIA,  
AND ST. JOHNS  
314 AM EDT MON JUN 18 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........55-60 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 12 TO 17 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3000-3500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
SMOKE DISPERSAL.....600-700 (EXCELLENT).  
PCPN AMOUNT.........0.04-0.20 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
MIN TEMPERATURE.....AROUND 64.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 9 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1100-1600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.  
SMOKE DISPERSAL.....0-200 (POOR TO FAIR).  
PCPN AMOUNT.........0.06-0.21 IN.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......EAST WINDS 9 TO 14 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......2800-3300 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH.  
SMOKE DISPERSAL.....200-400 (FAIR TO GOOD).  
PCPN AMOUNT.........NONE TO 0.10 IN.  
 

 
 
MIZ065>067-072>074-182015-  
BARRY-EATON-INGHAM-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF HASTINGS, CHARLOTTE, LANSING, KALAMAZOO,  
BATTLE CREEK, AND JACKSON  
314 AM EDT MON JUN 18 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER 1100.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....AROUND 90.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........51-56 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WEST WINDS 13 TO 18 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4000-4500 FT AGL.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
SMOKE DISPERSAL.....900 (EXCELLENT).  
PCPN AMOUNT.........NONE TO 0.05 IN.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY UNTIL 0200, THEN A CHANCE  
OF SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 67.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........95-100 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS AROUND 6 MPH SHIFTING TO THE  
NORTHEAST AROUND 5 MPH OVERNIGHT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......400-900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE  
NORTHEAST OVERNIGHT.  
SMOKE DISPERSAL.....0-100 (POOR).  
PCPN AMOUNT.........0.15-0.31 IN.  
   
TUESDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........54-59 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......EAST WINDS 6 TO 11 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......3400-3900 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH.  
SMOKE DISPERSAL.....300-500 (GOOD).  
PCPN AMOUNT.........NONE TO 0.15 IN.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY SUNNY. CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL  
MIDDAY. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 9 MPH.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS 5 TO 9 MPH.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
5 TO 9 MPH.    
FRIDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. EAST WINDS 6 TO  
11 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MI Page
The Nexlab IN Page Main Text Page