Tuesday, 9/22
First day of astronomical fall brings sunshine and warmth. Autumnal equinox occurs at 8:31 AM. Area remains under control of high pressure. The day opens sunny and remains bright except for a few mid-level clouds. Early morning temps from mid 40s far S-SE suburbs to mid 50s city, rise to an afternoon peak in the upper 70s, with a few 80s in spots. SW winds increase to 10-20 mph. Fair overnight. Lows dip to upper 40s cooler suburbs, mid 50s city.

Wednesday, 9/23
Little change. Some patchy high clouds, otherwise sunny and dry. Temps again rise to near 80 degrees. SW winds 10-15 mph. Pleasant overnight under clear skies. Lows mainly in the 50s.

Thursday, 9/24
Clouds increase in coverage, but rain threat stays N, along stalled front, and well S with “Beta” remnants. Temps run a degree or two lower, but still reach the mid-upper 70s. SW winds 10-15 mph.

Friday, 9/25
S-SW winds increase to 15-25 mph bringing a modest rise in temps. Some scattered clouds develop midday, otherwise sunny. Temps climb to the low 80s. SW breeze keeps nighttime readings mild.

Saturday, 9/26
Breezy and warm. Temps peak in the low-mid 80s despite an increase in cloudiness. SW winds 20-25 mph and gusty. Approaching cold front raises the likelihood of showers and a few t-storms after dark.

Sunday, 9/27
Clouds and a few lingering showers early, especially from the city, E across NW Indiana. Partly sunny and breezy by mid-morning. Cooler, with highs in the mid 70s. NW winds 15-25 mph.

Monday, 9/28
Partly sunny in the morning, then clouds thicken leading to sporadic showers. Windy. SW winds 20-30 mph and gusty. Winds shift W-NW late, sweeping colder air into the region.

Weather Blog