FORECAST SUMMARY: Monday June 30, 2025, Thursday July 3, 2025
Ozone:
Ozone concentrations are expected to be in the Good to Moderate range.
PM-2.5:
PM-2.5 concentrations are expected to be in the Good to low-Moderate range.
FORECAST DISCUSSION:
Summer is in full swing as we round off the month of June and enter July this week. Today, Monday, will see hot temperatures return along with high dewpoint temperatures which will increase humidity across the state. The mixture of hot temperatures, humid air, and an impending cold front will cause popup rain showers and potential storms throughout the day today. Once the cold front moves off to the southeast overnight, Tuesday will be slightly cooler in the upper-70s to low-80s, and drier air with dewpoints in the low-50s. This trend continues into Wednesday as a High-pressure moves in throughout the day and is expected to hang around to start off the holiday weekend.
With the exception of Tuesday, winds throughout this week will be from the WSW, which may pose a threat of increases in Ozone, but for the time being, there appears to be no threat of widespread USG-level Ozone for multiple hours due to the aforementioned cold front cleaning out the atmosphere later Monday into Tuesday. Also, the cooler temperatures on Tuesday and into Wednesday will help keep Ozone concentrations at bay. Concentrations may approach the USG range, but nothing to cause an Advisory to be issued. For PM-2.5, there appears to be regional wildfire smoke across the Midwest this week which may increase PM-2.5 concentrations, but nothing more than mid-to-high Moderate at the worst. PM-2.5 concentrations may also see an increase throughout this week and into the weekend due to 4th of July festivities, especially fireworks. This forecast will be updated on Thursday to get a better look at conditions for the holiday weekend ahead.
EXTENDED FORECAST:
Hot temperatures return for the holiday weekend along with sunshine and a chance for rain on Saturday. Expected air quality will be forecasted on Thursday for the weekend ahead, but general Moderate conditions can be expected at this time, with a chance at hourly USG concentrations.
Next Forecast update: Thursday July 3, 2025