Thu May 16 15:34:22 EDT 2024

Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Greenville, Alma, Grand Rapids, Ionia, 
and St. Johns
334 PM EDT Thu May 16 2024

.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain 
                    showers until 2 AM. Chance of thunderstorms. 
                    Rain showers likely after 2 AM. 
Chance of pcpn......60 percent. 
Min temperature.....Around 58. 
   24 hr trend......15 degrees warmer. 
Max humidity........95-100 percent. 
   24 hr trend......Unchanged. 
20-foot winds.......South winds around 5 mph in the evening 
                    becoming light. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Mixing height.......700-1200 ft AGL. 
Transport winds.....Southwest around 10 mph. 
Smoke dispersal.....70-80 (poor). 
Pcpn Amount.........0.02-0.21 in. 

.FRIDAY...
Sky/weather.........Partly sunny (60-70 percent) until 2 PM, then 
                    sunny (15-25 percent). Slight chance of showers 
                    and thunderstorms until 2 PM. 
Chance of pcpn......20 percent until midday. 
Max temperature.....Around 77. 
   24 hr trend......1 degree warmer. 
Min humidity........33-38 percent. 
   24 hr trend......6 percent wetter. 
20-foot winds.......West winds 5 to 9 mph. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Mixing height.......5500-6000 ft AGL. 
Transport winds.....West around 5 mph. 
Smoke dispersal.....290-400 (fair to good). 
Pcpn Amount.........none to 0.05 in. 

.FRIDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent). 
Min temperature.....Around 54. 
   24 hr trend......5 degrees cooler. 
Max humidity........95-100 percent. 
   24 hr trend......Unchanged. 
20-foot winds.......Light winds. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Mixing height.......900-1400 ft AGL. 
Transport winds.....Northwest around 5 mph shifting to the east 
                    overnight. 
Smoke dispersal.....20-50 (poor). 
Pcpn Amount.........None. 

.SATURDAY...
Sky/weather.........Sunny (10-20 percent). 
Max temperature.....Around 82. 
   24 hr trend......5 degrees warmer. 
Min humidity........31-36 percent. 
   24 hr trend......2 percent drier. 
20-foot winds.......Light winds becoming southeast around 5 mph in 
                    the afternoon. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
Mixing height.......6000-6500 ft AGL. 
Transport winds.....Southeast around 5 mph. 
Smoke dispersal.....380-520 (good). 
Pcpn Amount.........None.