Iroquois, IL Weather Forecast
Local 7-day forecast
Patchy Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Iroquois, IL in one place.
Patchy smoke. Mostly sunny, with a high near 82. Northeast wind around 5 mph.
Local Weather Overview
This forecast page for Iroquois, 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 18, 2026 11:54 AM CDT.
The active forecast window currently covers Jul 19 to Jul 24, 2026 for Iroquois, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 11:54 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Iroquois
Monday looks like the warmest upcoming period in Iroquois at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 11:54 AM CDT
- Coverage
- 6 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 7pm. Mostly clear, with a low around 62. East wind 0 to 5 mph.
Mostly sunny, with a high near 86. South wind 0 to 5 mph, with gusts as high as 15 mph.
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 61.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Sunny, with a high near 79.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 59.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Patchy Smoke
|
82°F |
5 mph
NE
|
|
Sunday Night
Jul 19
|
Patchy Smoke then Mostly Clear
|
62°F |
0 to 5 mph
E
|
|
Monday
Jul 20
|
Mostly Sunny
|
86°F |
0 to 5 mph
S
|
|
Monday Night
Jul 20
|
Showers And Thunderstorms Likely
|
70°F |
5 to 10 mph
SSW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
86°F |
5 to 15 mph
W
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
61°F |
5 to 10 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
78°F |
5 to 10 mph
NNW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
56°F |
0 to 5 mph
N
|
|
Thursday
Jul 23
|
Sunny
|
79°F |
0 mph
|
|
Thursday Night
Jul 23
|
Partly Cloudy then Slight Chance Rain Showers
|
59°F |
0 mph
|
|
Friday
Jul 24
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
0 to 5 mph
S
|
|
Friday Night
Jul 24
|
Slight Chance Showers And Thunderstorms
|
62°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Iroquois.