FORECAST SUMMARY:

Monday, May 11th, 2020 through Monday, May 18th, 2020

OZONE: 8-Hour average Ozone concentrations will be in the Good category.

PM-2.5: 24-hour average Fine Particulate concentrations will range from Good to low Moderate.

FORECAST DISCUSSION:

A weak system could produce light, scattered precipitation Monday, otherwise, high pressure moving in produces cold, quiet conditions through mid-week. Past mid-week, a warmer weather pattern sets-up but it will be accompanied by chances for rain.

As for air quality, cool northerly winds keep both ozone and fine particulate Good through Tuesday. High pressure settling overhead Wednesday may allow for some low Moderate fine particulate, however, ozone remains Good. The next system moves into the region later Wednesday/Thursday bringing warmer temperatures, clouds, and precipitation. Pollution levels will be Good Thursday, but lighter winds Friday could cause some low Moderate fine particulate.

EXTENDED FORECAST:

Extended forecast models show the front passing south Friday, but then brings it back north over the area during the weekend. Precipitation will be in the forecast through Sunday/early Monday. Warmer temperatures and increased moisture could allow for low Moderate fine particulate through early next week while clouds and precipitation are expected to keep ozone generally Good.

Forecast Updated By Stephanie M. Hengesbach: Monday, May 11th, 2020
Next Forecast Update : Monday, May 18th, 2020