Saint Elmo, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Elmo, IL in one place.
A slight chance of rain showers. Mostly cloudy, with a high near 70. East wind around 8 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Saint Elmo, 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 9, 2026 2:20 PM CDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Saint Elmo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:20 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Elmo
Monday looks like the warmest upcoming period in Saint Elmo at 79 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 9 to 20 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:20 PM CDT
- Coverage
- 5 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 slight chance of rain showers before 7pm. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Mostly cloudy, with a high near 78.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Slight Chance Rain Showers
|
70°F |
8 mph
E
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Partly Cloudy
|
59°F |
6 to 9 mph
SE
|
|
Sunday
Apr 12
|
Mostly Cloudy
|
78°F |
9 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
63°F |
16 mph
S
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
79°F |
16 to 20 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
67°F |
16 mph
S
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
79°F |
14 to 18 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
62°F |
15 mph
SW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
74°F |
16 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
54°F |
8 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Elmo.