Centralia, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Centralia, IL in one place.
Sunny. High near 95, with temperatures falling to around 89 in the afternoon. Southwest wind 6 to 10 mph.
Local Weather Overview
This forecast page for Centralia, 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: Oct 12, 2026 1:41 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Centralia, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 1:41 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Centralia
Tuesday looks like the warmest upcoming period in Centralia at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 15 to 26 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 1:41 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 84. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Partly cloudy, with a low around 39.
Sunny, with a high near 60.
Clear, with a low around 35.
Sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
95°F |
6 to 10 mph
SW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Chance Showers And Thunderstorms
|
70°F |
3 to 7 mph
SW
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
84°F |
5 mph
W
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms
|
64°F |
3 mph
N
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
79°F |
5 to 9 mph
SE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
54°F |
6 to 13 mph
W
|
|
Friday
Oct 16
|
Chance Showers And Thunderstorms then Partly Sunny
|
68°F |
15 to 26 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
39°F |
8 to 22 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
60°F |
6 to 12 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
0 to 5 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
1 to 7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Centralia.