Shelbyville, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Shelbyville, IL in one place.
Showers and thunderstorms. Mostly cloudy, with a high near 78. South southeast wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Shelbyville, 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 15, 2026 1:45 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Shelbyville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 1:45 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Shelbyville
Today looks like the warmest upcoming period in Shelbyville at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 17 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 1:45 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 5am. Mostly cloudy, with a low around 46. West southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers after 4pm. Partly sunny, with a high near 56. Northwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 7pm, then patchy frost. Partly cloudy, with a low around 36. North northwest wind 7 to 16 mph, with gusts as high as 22 mph.
Areas of frost before 8am. Sunny, with a high near 59. North northeast wind 2 to 7 mph.
Areas of frost after 3am. Clear, with a low around 34. East southeast wind around 2 mph.
Widespread frost before 8am. Sunny, with a high near 68. South southeast wind 2 to 6 mph.
Mostly clear, with a low around 37.
Sunny, with a high near 73.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 43.
Sunny, with a high near 77.
Mostly clear, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Showers And Thunderstorms
|
78°F |
10 mph
SSE
|
|
Tonight
Oct 15
|
Showers And Thunderstorms Likely
|
46°F |
10 to 16 mph
WSW
|
|
Friday
Oct 16
|
Partly Sunny then Chance Rain Showers
|
56°F |
17 mph
NW
|
|
Friday Night
Oct 16
|
Slight Chance Rain Showers then Patchy Frost
|
36°F |
7 to 16 mph
NNW
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
59°F |
2 to 7 mph
NNE
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
34°F |
2 mph
ESE
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
68°F |
2 to 6 mph
SSE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
37°F |
3 mph
SSE
|
|
Monday
Oct 19
|
Sunny
|
73°F |
3 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
40°F |
2 mph
SE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
74°F |
0 to 3 mph
ESE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
43°F |
2 mph
SE
|
|
Wednesday
Oct 21
|
Sunny
|
77°F |
1 to 5 mph
SE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
46°F |
3 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Shelbyville.