South Roxana, IL Weather Forecast

Local 7-day forecast

66°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for South Roxana, IL in one place.

Sunday, April 19, 2026
Wind: 6 to 14 mph NW
Sunday

Sunny, with a high near 66.

Local 7-day forecast

Local Weather Overview

This forecast page for South Roxana, 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 16, 2026 8:48 PM CDT.

The active forecast window currently covers Apr 19 to Apr 23, 2026 for South Roxana, IL.

Page Snapshot

Page focus
city weather
Forecast window
Apr 19 to Apr 23, 2026
Latest sync
Apr 16, 2026 8:48 PM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
66°F
Sunday
Next Low
42°F
Sunday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
8 to 15 mph
Tuesday

Daily Outlook

Today
Apr 19
Sunny
66 °F
/ 42°F
Wind 6 to 14 mph
Mon
Apr 20
Sunny
73 °F
/ 53°F
Wind 5 to 10 mph
Tue
Apr 21
Mostly Sunny
79 °F
/ 57°F
Wind 8 to 15 mph
Wed
Apr 22
Mostly Sunny
79 °F
/ 57°F
Wind 6 to 10 mph
Thu
Apr 23
Slight Chance Showers And Thunderstorms
80 °F
Wind 6 to 13 mph

This Week in South Roxana

Thursday looks like the warmest upcoming period in South Roxana at 80 degrees F.

Sunday Night is the coolest period ahead with temperatures near 42 degrees F.

The strongest winds are forecast for Tuesday at about 8 to 15 mph SW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Apr 16, 2026 8:48 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 source

Extended Forecast

Sunday Night
Apr 19
42°F
Mostly Clear
3 to 9 mph NE

Mostly clear, with a low around 42.

Monday
Apr 20
73°F
Sunny
5 to 10 mph SE

Sunny, with a high near 73.

Monday Night
Apr 20
53°F
Mostly Clear
9 mph S

Mostly clear, with a low around 53.

Tuesday
Apr 21
79°F
Mostly Sunny
8 to 15 mph SW

Mostly sunny, with a high near 79.

Tuesday Night
Apr 21
57°F
Partly Cloudy
6 to 12 mph SW

Partly cloudy, with a low around 57.

Wednesday
Apr 22
79°F
Mostly Sunny
6 to 10 mph SW

Mostly sunny, with a high near 79.

Wednesday Night
Apr 22
57°F
Mostly Clear then Slight Chance Showers And Thunderstorms
8 mph S

A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 57. Chance of precipitation is 20%.

Thursday
Apr 23
80°F
Slight Chance Showers And Thunderstorms
6 to 13 mph SE

A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Apr 19
Sunny
66°F
6 to 14 mph
NW
Sunday Night
Apr 19
Mostly Clear
42°F
3 to 9 mph
NE
Monday
Apr 20
Sunny
73°F
5 to 10 mph
SE
Monday Night
Apr 20
Mostly Clear
53°F
9 mph
S
Tuesday
Apr 21
Mostly Sunny
79°F
8 to 15 mph
SW
Tuesday Night
Apr 21
Partly Cloudy
57°F
6 to 12 mph
SW
Wednesday
Apr 22
Mostly Sunny
79°F
6 to 10 mph
SW
Wednesday Night
Apr 22
Mostly Clear then Slight Chance Showers And Thunderstorms
57°F
8 mph
S
Thursday
Apr 23
Slight Chance Showers And Thunderstorms
80°F
6 to 13 mph
SE
South Roxana  Illinois 8-7-2011
South Roxana Illinois 8-7-2011 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.