Fri May 3 04:04:53 EDT 2024 Montcalm-Gratiot-Kent-Ionia-Clinton- Including the cities of Greenville, Alma, Grand Rapids, Ionia, and St. Johns 404 AM EDT Fri May 3 2024 .TODAY... Sky/weather.........Mostly cloudy (70-80 percent). Patchy fog until 9 AM. Rain showers until 2 PM. Chance of thunderstorms until 5 PM. Chance of rain showers after 2 PM. Chance of pcpn......80 percent. Max temperature.....Around 73. 24 hr trend......3 degrees cooler. Min humidity........39-44 percent. 24 hr trend......6 percent wetter. 20-foot winds.......Southwest winds around 7 mph shifting to the northwest around 9 mph in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......3700-4200 ft AGL. Transport winds.....Southwest around 10 mph shifting to the north in the afternoon. Smoke dispersal.....250-600 (fair to excellent). Pcpn Amount.........0.05-0.21 in. .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). Min temperature.....46-51. 24 hr trend......5 degrees cooler. Max humidity........91-96 percent. 24 hr trend......Unchanged. 20-foot winds.......Northeast winds 5 to 9 mph. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......200-700 ft AGL. Transport winds.....East around 10 mph. Smoke dispersal.....60-70 (poor). Pcpn Amount.........None. .SATURDAY... Sky/weather.........Partly sunny (60-70 percent). Max temperature.....74-79. 24 hr trend......4 degrees warmer. Min humidity........48-53 percent. 24 hr trend......9 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.......3900-4400 ft AGL. Transport winds.....Southeast around 10 mph. Smoke dispersal.....320-410 (good). Pcpn Amount.........None.