Irwin, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Irwin, IL in one place.
Mostly sunny, with a high near 82. East northeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for Irwin, 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: May 31, 2026 2:50 AM CDT.
The active forecast window currently covers Jun 1 to Jun 6, 2026 for Irwin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 6, 2026
- Latest sync
- May 31, 2026 2:50 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Irwin
Friday looks like the warmest upcoming period in Irwin at 88 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 2:50 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
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.
Sunny, with a high near 81.
Clear, with a low around 52.
Sunny, with a high near 84.
Mostly clear, with a low around 56.
Sunny, with a high near 86.
Partly cloudy, with a low around 63.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Mostly Sunny
|
82°F |
0 to 10 mph
ENE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
54°F |
5 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
52°F |
0 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
0 to 5 mph
ESE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
5 mph
SSE
|
|
Thursday
Jun 4
|
Sunny
|
86°F |
5 to 10 mph
SSW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
63°F |
5 to 10 mph
SSW
|
|
Friday
Jun 5
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
10 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
86°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Irwin.