TNW News | Saturday Evening Forecast

Aurora, Naperville & Chicago Metro
Saturday, September 6, 2025 • 6:00 PM CT — Evening Forecast Package

The TNW New Weather Model (6 PM run) shows a clear, cool evening across Aurora, Naperville, and the Chicago metro. West suburban skies stay bright and quiet, while conditions remain comfortable into the city with light winds off Lake Michigan. Temperatures cool into the 50s tonight, with no rain expected.

Saturday Evening & Overnight

• Aurora & Naperville (6–10 PM): Clear skies, temps in the mid-to-upper 50s. Light west winds 5–10 mph.
• Chicago (Loop & Lakeshore): Clear, temps holding in the upper 50s to near 60°F, with a light lake breeze.
• Overnight (After 10 PM): Mostly clear skies. Lows drop to 47°F in Aurora/Naperville and near 52°F in downtown Chicago.

Sunday Outlook

• Aurora & Naperville: Partly cloudy and warmer, highs near 80°F.
• Chicago Metro: Highs near 78°F downtown, low 80s inland. Southerly winds bring a mild, summer-like feel.

7-Day Forecast: Aurora, Naperville & Chicago

• Saturday Evening: Clear, temps 55–60°F.
• Sunday: Partly cloudy, highs 78–80°F.
• Monday: Mostly sunny, high 77–78°F.
• Tuesday: Partly cloudy, high 77°F.
• Wednesday: Mostly sunny, high 76°F.
• Thursday: Partly cloudy, high 75°F.
• Friday: Mostly sunny, high 74°F.

Bottom Line

This Saturday Evening Forecast Package (issued 6:00 PM CT) highlights a clear, cool night across the western suburbs and into Chicago, with lows in the 40s and 50s. A warm-up Sunday pushes highs into the upper 70s to near 80°F across Chicagoland, with a quiet, dry early fall pattern holding into next week.

Source: TNW New Weather Model • NWS Chicago • The Weather Company
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