Calumet, IL Weather Forecast
Local 7-day forecast
Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Calumet, IL in one place.
Smoke and scattered showers and thunderstorms. Partly sunny. High near 90, with temperatures falling to around 87 in the afternoon. Heat index values as high as 96. South southwest wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Calumet, 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 17, 2026 9:52 AM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Calumet, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:52 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Calumet
Today looks like the warmest upcoming period in Calumet at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:52 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
Scattered showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 9am and 10am, then a chance of showers and thunderstorms. Mostly sunny. High near 89, with temperatures falling to around 80 in the afternoon. Heat index values as high as 99. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunny, with a high near 81. Northeast wind around 5 mph.
Partly cloudy, with a low around 68.
Partly sunny, with a high near 87.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.
Partly cloudy, with a low around 66.
Sunny, with a high near 78.
Mostly clear, with a low around 64.
Sunny, with a high near 80.
Partly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Smoke
|
90°F |
0 to 10 mph
SSW
|
|
Tonight
Jul 17
|
Scattered Showers And Thunderstorms then Partly Cloudy
|
74°F |
5 to 10 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
89°F |
10 to 15 mph
NW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
5 to 10 mph
NNE
|
|
Sunday
Jul 19
|
Sunny
|
81°F |
5 mph
NE
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
68°F |
5 mph
ESE
|
|
Monday
Jul 20
|
Partly Sunny
|
87°F |
5 to 15 mph
SSW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
73°F |
10 to 15 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
10 to 15 mph
WNW
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
66°F |
10 to 15 mph
NNW
|
|
Wednesday
Jul 22
|
Sunny
|
78°F |
10 to 15 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
64°F |
0 to 10 mph
NNW
|
|
Thursday
Jul 23
|
Sunny
|
80°F |
5 mph
N
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
65°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Calumet.