Mon May 20 15:23:32 EDT 2024

Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison, Holland, 
and South Haven
323 PM EDT Mon May 20 2024

.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 percent) until 2 AM, then 
                    partly cloudy (60-70 percent) until 5 AM, then 
                    mostly cloudy (65-75 percent). Rain showers and 
                    thunderstorms likely until 11 PM, then a chance 
                    of showers and thunderstorms. 
Chance of pcpn......60 percent. 
Min temperature.....52-57. 
   24 hr trend......10 degrees warmer. 
Max humidity........95-100 percent. 
   24 hr trend......Unchanged. 
20-foot winds.......Southwest winds 5 to 8 mph. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 
Mixing height.......800-1300 ft AGL. 
Transport winds.....West 10 to 15 mph. 
Smoke dispersal.....100-180 (poor to fair). 
Pcpn Amount.........0.01-0.24 in. 

.TUESDAY...
Sky/weather.........Mostly sunny (40-50 percent). Chance of showers 
                    and thunderstorms. 
Chance of pcpn......30 percent. 
Max temperature.....84-89. 
   24 hr trend......Unchanged. 
Min humidity........45-50 percent. 
   24 hr trend......8 percent drier. 
20-foot winds.......South winds 5 to 10 mph. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Mixing height.......3100-3600 ft AGL near Lake Michigan and 
                    4900-5400 ft AGL Inland. 
Transport winds.....South around 5 mph increasing to around 15 mph 
                    in the afternoon. 
Smoke dispersal.....470-930 (good to excellent). 
Pcpn Amount.........none to 0.05 in. 

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent) until 2 AM, then 
                    mostly cloudy (65-75 percent) until 5 AM, then 
                    partly cloudy (45-55 percent). Chance of rain 
                    showers until 2 AM. Chance of thunderstorms. 
                    Rain showers likely after 2 AM. 
Chance of pcpn......60 percent. 
Min temperature.....56-61. 
   24 hr trend......6 degrees warmer. 
Max humidity........88-93 percent. 
   24 hr trend......Unchanged. 
20-foot winds.......South winds 11 to 16 mph with gusts to around 
                    29 mph. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Mixing height.......1300-1800 ft AGL. 
Transport winds.....South around 20 mph. 
Smoke dispersal.....310-360 (good). 
Pcpn Amount.........0.35-0.58 in. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (20-30 percent). Chance of rain 
                    showers after 2 PM. 
Chance of pcpn......30 percent in the afternoon. 
Max temperature.....73-78. 
   24 hr trend......14 degrees cooler. 
Min humidity........46-51 percent. 
   24 hr trend......7 percent wetter. 
20-foot winds.......Southwest winds 11 to 16 mph with gusts to 
                    around 26 mph. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Mixing height.......2400-2900 ft AGL near Lake Michigan and 
                    3300-3800 ft AGL Inland. 
Transport winds.....West 20 to 25 mph. 
Smoke dispersal.....820-860 (excellent). 
Pcpn Amount.........none to 0.01 in.