Storms and Snow: A Quick Look at Sunday’s Weather in Chicago

Date: Sunday – Monday
Source: Storm Prediction Center

What to Expect

• Strong Thunderstorms & Powerful Winds
• Most of the Chicago region flagged as a marginal threat.
• Some counties near Kankakee and Will face a slightly higher risk.
• Straight‑line winds up to 60 mph (some spots 75 mph).

• Showers may appear early Sunday; main threat in the afternoon.

• Wind Gusts
• East and south of I‑55, extending into northwest Indiana.

• Gusts between 4 p.m. – 10 p.m. could make driving hazardous, especially early evening.

• Tornado Potential
• Lower than in southern Illinois but a brief twister could appear if a storm line moves before the cold front arrives at night.

Temperature Drop & Snow

• Northern & Western Outskirts
• Sharp temperature drop by Monday morning: from ~60 °F to the low 20s.

• Rain will turn into snow.

• Snowfall Totals
• 1–5 inches possible statewide.
• Higher totals near DeKalb, McHenry & Boone counties.

• Chicago may receive 2–3 inches; nearby Indiana less.

• Wind Chills & Cold Snap
• Single digits through most of Monday.
• Drop below zero after midnight.
• Highs remain in the 20s into Tuesday, warming to the 40s–50s later that week.

Safety Tips

• Driving: Stay alert for blowing snow and gusty conditions, especially during morning commutes.
• Outdoor Activities: Avoid exposure to high winds; secure loose objects.
• Check Updates: Monitor local weather reports for real‑time changes.

Stay safe and prepare early—this storm system is a reminder that the Midwest can change rapidly.