Sidell, IL Weather Forecast
Local 7-day forecast
Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sidell, IL in one place.
Scattered showers and thunderstorms before 7am, then isolated showers and thunderstorms. Partly sunny, with a high near 75. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Sidell, 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: Apr 21, 2026 10:23 PM CDT.
The active forecast window currently covers Apr 22 to Apr 28, 2026 for Sidell, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 28, 2026
- Latest sync
- Apr 21, 2026 10:23 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sidell
Thursday looks like the warmest upcoming period in Sidell at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Monday at about 17 to 21 mph SE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 10:23 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
Isolated showers and thunderstorms before 7pm. Mostly clear, with a low around 56. South wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 80. South wind 6 to 18 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 76. South southwest wind 12 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West northwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers. Mostly sunny, with a high near 73.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 49.
Mostly sunny, with a high near 74.
A chance of rain showers after 1am. Partly cloudy, with a low around 54.
A chance of rain showers before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
A chance of rain showers before 1pm. Partly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms
|
75°F |
7 to 10 mph
SW
|
|
Wednesday Night
Apr 22
|
Isolated Showers And Thunderstorms then Mostly Clear
|
56°F |
6 mph
S
|
|
Thursday
Apr 23
|
Sunny
|
80°F |
6 to 18 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Chance Showers And Thunderstorms
|
61°F |
10 to 14 mph
S
|
|
Friday
Apr 24
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
76°F |
12 to 16 mph
SSW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
54°F |
3 to 8 mph
WNW
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers
|
73°F |
6 to 9 mph
N
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers then Partly Cloudy
|
49°F |
5 to 8 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
74°F |
9 mph
ENE
|
|
Sunday Night
Apr 26
|
Partly Cloudy then Chance Rain Showers
|
54°F |
7 to 17 mph
E
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
74°F |
17 to 21 mph
SE
|
|
Monday Night
Apr 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
52°F |
12 to 15 mph
SSW
|
|
Tuesday
Apr 28
|
Chance Rain Showers
|
68°F |
15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sidell.