Barr, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Barr, IL in one place.
Mostly sunny, with a high near 81.
Local Weather Overview
This forecast page for Barr, 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 27, 2026 10:50 PM CDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Barr, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 10:50 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Barr
Monday looks like the warmest upcoming period in Barr at 82 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 9 mph NE.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 10:50 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 56.
Sunny, with a high near 81.
Clear, with a low around 54.
Sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
81°F |
5 to 8 mph
E
|
|
Saturday Night
May 30
|
Partly Cloudy
|
57°F |
7 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
80°F |
8 mph
E
|
|
Sunday Night
May 31
|
Partly Cloudy
|
56°F |
6 mph
E
|
|
Monday
Jun 1
|
Mostly Sunny
|
82°F |
7 mph
NE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
56°F |
6 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
6 to 9 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
54°F |
7 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
6 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Barr.