Mon May 20 15:23:32 EDT 2024 Mason-Lake-Osceola-Oceana-Newaygo-Mecosta- Including the cities of Ludington, Baldwin, Reed City, Hart, Fremont, and Big Rapids 323 PM EDT Mon May 20 2024 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). Rain showers until 1 AM. Chance of thunderstorms. Chance of rain showers after 1 AM. Chance of pcpn......90 percent. Min temperature.....50-55. 24 hr trend......2 degrees warmer. Max humidity........95-100 percent. 24 hr trend......19 percent wetter. 20-foot winds.......Southwest winds 5 to 8 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1000-1500 ft AGL. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....220 (fair). Pcpn Amount.........0.04-0.50 in. .TUESDAY... Sky/weather.........Partly sunny (45-55 percent). Chance of rain showers. Chance of thunderstorms after 11 AM. Chance of pcpn......40 percent. Max temperature.....81-86. 24 hr trend......Unchanged. Min humidity........47-52 percent. 24 hr trend......4 percent drier. 20-foot winds.......South winds 5 to 9 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......2800-3300 ft AGL near Lake Michigan and 4200-4700 ft AGL Inland. Transport winds.....Southwest 5 to 10 mph. Smoke dispersal.....280-630 (fair to excellent). Pcpn Amount.........none to 0.10 in. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (40-50 percent) until 11 PM, then mostly cloudy (65-75 percent) until 5 AM, then partly cloudy (55-65 percent). Rain showers likely and a chance of thunderstorms. Chance of pcpn......70 percent. Min temperature.....54-59. 24 hr trend......5 degrees warmer. Max humidity........95-100 percent near Lake Michigan and 85-90 percent Inland. 24 hr trend...... 24 hr trend...... 20-foot winds.......South winds 10 to 15 mph with gusts to around 29 mph. Haines Index........3 or very low potential for large plume dominated fire growth. Mixing height.......1900-2400 ft AGL. Transport winds.....South around 20 mph. Smoke dispersal.....400-480 (good). Pcpn Amount.........0.19-0.53 in. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....69-74. 24 hr trend......11 degrees cooler. Min humidity........54-59 percent near Lake Michigan and 46-51 percent Inland. 24 hr trend......5 percent wetter near Lake Michigan and 2 percent drier Inland. 20-foot winds.......Southwest winds 13 to 18 mph with gusts to around 29 mph. Haines Index........4 or low potential for large plume dominated fire growth. Mixing height.......2700-3200 ft AGL near Lake Michigan and 4000-4500 ft AGL Inland. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....980-1060 (excellent). Pcpn Amount.........None.