Weather Tomorrow for ZIP 60657
Chicago, IL · View full Chicago forecast
Flood WatchUntil Sep 20, 5:00 AM
Flood Watch issued September 19 at 3:57PM CDT until September 20 at 7:00AM CDT by NWS Chicago IL
A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.
Beach Hazards StatementUntil Sep 20, 4:00 AM
Beach Hazards Statement issued September 19 at 2:50PM CDT until September 22 at 7:00PM CDT by NWS Chicago IL
Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Sunday, September 20, 2026
Precip chance
100%
Wind
5-25 mph
Humidity
95%
Feels like
66–65°F
Rain forecast
Rain likely starts around 5 AM and may continue until 8 PM. Peak chance: 100% around 8 AM.
Data source: National Weather Service (NOAA) · Updated 4 min ago
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 68°F | Showers And Thunderstorms | 80% | 5 mph SE | ||
| 6 AM☽ | 68°F | Showers And Thunderstorms | 90% | 5 mph SSE | ||
| 7 AM☽ | 68°F | Showers And Thunderstorms | 95% | 5 mph ESE | ||
| 8 AM☽ | 68°F | Showers And Thunderstorms | 100% | 10 mph NNE | ||
| 9 AM☽ | 68°F | Showers And Thunderstorms | 100% | 10 mph N | ||
| 10 AM☽ | 68°F | Showers And Thunderstorms | 100% | 10 mph N | ||
| 11 AM | 67°F | Showers And Thunderstorms | 88% | 15 mph N | ||
| 12 PM | 67°F | Showers And Thunderstorms | 84% | 15 mph N | ||
| 1 PM | 66°F | Showers And Thunderstorms | 78% | 15 mph NNE | ||
| 2 PM | 66°F | Showers And Thunderstorms Likely | 72% | 20 mph NNE | ||
| 3 PM | 66°F | Rain Showers Likely | 71% | 20 mph NNE | ||
| 4 PM | 66°F | Rain Showers Likely | 71% | 20 mph NNE | ||
| 5 PM | 66°F | Rain Showers Likely | 71% | 20 mph NE | ||
| 6 PM | 66°F | Chance Rain Showers | 54% | 20 mph NE | ||
| 7 PM | 66°F | Chance Rain Showers | 54% | 25 mph NE | ||
| 8 PM | 65°F | Chance Rain Showers | 54% | 25 mph NE | ||
| 9 PM | 65°F | Slight Chance Rain Showers | 23% | 25 mph NE | ||
| 10 PM | 66°F | Slight Chance Rain Showers | 23% | 25 mph NE | ||
| 11 PM☽ | 65°F | Slight Chance Rain Showers | 23% | 25 mph NE | ||
| 12 AM☽ | 64°F | Mostly Cloudy | 14% | 25 mph NE | ||
| 1 AM☽ | 63°F | Mostly Cloudy | 8% | 25 mph ENE | ||
| 2 AM☽ | 63°F | Mostly Cloudy | 7% | 25 mph ENE | ||
| 3 AM☽ | 63°F | Mostly Cloudy | 4% | 25 mph ENE | ||
| 4 AM☽ | 63°F | Mostly Cloudy | 7% | 20 mph ENE | ||
Precipitation Timeline
What to Wear Tomorrow
Warm and comfortable — dress light
Clothing
- • T-shirt or light blouse
- • Shorts or light pants
Footwear
Comfortable shoes or sandals
Accessories
- • Umbrella
- • Windbreaker
Conditions
High: 68°F
Low: 63°F
Wind: 5-25 mph
Rain: 100%
Rain expected around 5 AM — carry an umbrella. Windy conditions (gusts up to 25 mph) — secure loose items.
Best Time to Be Outside Tomorrow
Good conditions for being outside (comfortable temp, daylight)