FORECAST SUMMARY: Friday August 5, 2022, through Monday August 8, 2022
OZONE: 8-hour average Ozone concentrations are expected to be Good to Moderate.
PM-2.5: 24-hour average Fine Particulate concentrations are expected to be stay mostly Good.
FORECAST DISCUSSION
The cold front that moved through two nights ago has been slowly moving south and is stretched along the Michigan/Indiana/Ohio border this morning. Models show that it will move south and east through the day, which should move morning moisture out of the region by the late afternoon.
Mainly quiet weather is expected on Saturday with hot temperatures that look to climb into the upper 80s and low 90s during the afternoon. Southwesterly low-level winds will continue to import a very moist airmass into the Great Lakes over the weekend. Dew point temperatures are expected to be in the low 70’s. Models have been consistent showing ozone production staying in check throughout Michigan keep conditions in the Moderate range
On Sunday, an approaching cold front is expected to swing down into the Great Lakes, potentially stalling across the area raising potential precipitation values across the warm sector ahead of the cold front around two inches and perhaps well above this.
The chance for locally heavy rainfall may continue into Monday morning across parts of the area. Most of the rain is expected to end by Monday afternoon/evening as the cold front swings south of the area. Behind this system, surface high pressure builds into the Great Lakes and looks to remain in place for most of next week, helping to keep the chance for precipitation low. Otherwise, highs in the low to mid 80s are expected through next week.
EXTENDED FORECAST:
Air Quality should be mostly Good to begin the next work week.
Forecast updated by Jim Haywood: Friday, August 5, 2022
Next forecast update: Monday, August 8, 2022