Blair, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Blair, IL in one place.
Sunny, with a high near 81. East wind around 5 mph.
Local Weather Overview
This forecast page for Blair, 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: Jun 2, 2026 6:19 AM CDT.
The active forecast window currently covers Jun 3 to Jun 8, 2026 for Blair, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 6:19 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Blair
Saturday looks like the warmest upcoming period in Blair at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 10 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 6:19 AM CDT
- Coverage
- 6 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
Mostly clear, with a low around 58. Southeast wind around 5 mph.
Sunny, with a high near 84.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 65.
A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
A chance of rain showers before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
5 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
58°F |
5 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
84°F |
3 to 9 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
61°F |
5 to 9 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
85°F |
5 to 9 mph
S
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
65°F |
5 to 10 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
86°F |
8 mph
S
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
67°F |
3 to 8 mph
S
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
S
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
68°F |
6 mph
S
|
|
Monday
Jun 8
|
Showers And Thunderstorms Likely
|
86°F |
7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Blair.