Chicago, WI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chicago, WI in one place.
Partly sunny, with a high near 70. Northeast wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Chicago, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 3:43 AM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Chicago, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 3:43 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chicago
Saturday looks like the warmest upcoming period in Chicago at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 3:43 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 75. North wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Mostly cloudy, with a low around 60. Northeast wind around 5 mph.
A chance of rain showers after 7am. Mostly cloudy, with a high near 73. East wind 5 to 10 mph. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 69. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Partly Sunny
|
70°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
61°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
75°F |
5 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
60°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Rain Showers
|
73°F |
5 to 10 mph
E
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms Likely
|
62°F |
10 mph
SE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
78°F |
10 to 15 mph
S
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
59°F |
5 to 10 mph
NW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
71°F |
10 to 15 mph
NE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
55°F |
10 to 15 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Partly Sunny
|
69°F |
10 to 15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chicago.