Calumet City, IL Weather Forecast
Local 7-day forecast
Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Calumet City, IL in one place.
Smoke. Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. East northeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Calumet City, IL 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: Jul 19, 2026 12:51 AM CDT.
The active forecast window currently covers Jul 19 to Jul 25, 2026 for Calumet City, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 12:51 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Calumet City
Monday looks like the warmest upcoming period in Calumet City at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Monday Night at about 10 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 19, 2026 12:51 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy smoke before 5am. Mostly clear, with a low around 64. East southeast wind around 5 mph.
Patchy smoke before 7am. Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 71. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 64.
Sunny, with a high near 76.
Mostly clear, with a low around 61.
Sunny, with a high near 81.
Partly cloudy, with a low around 63.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 83.
Mostly cloudy, with a low around 66.
Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Smoke
|
80°F |
5 to 10 mph
ENE
|
|
Sunday Night
Jul 19
|
Patchy Smoke
|
64°F |
5 mph
ESE
|
|
Monday
Jul 20
|
Patchy Smoke then Mostly Sunny
|
86°F |
5 to 10 mph
SSW
|
|
Monday Night
Jul 20
|
Showers And Thunderstorms Likely
|
71°F |
10 to 15 mph
SW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
86°F |
10 to 15 mph
WNW
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
64°F |
10 to 15 mph
N
|
|
Wednesday
Jul 22
|
Sunny
|
76°F |
10 to 15 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
61°F |
0 to 10 mph
N
|
|
Thursday
Jul 23
|
Sunny
|
81°F |
0 to 5 mph
NNE
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
63°F |
0 to 5 mph
SE
|
|
Friday
Jul 24
|
Slight Chance Rain Showers
|
83°F |
0 to 5 mph
SSE
|
|
Friday Night
Jul 24
|
Mostly Cloudy
|
66°F |
0 to 5 mph
SSE
|
|
Saturday
Jul 25
|
Mostly Sunny
|
86°F |
0 to 10 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Calumet City.