Saint Elmo, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Elmo, IL in one place.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. North wind around 1 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: Jul 10, 2026 7:53 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Saint Elmo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 7:53 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Elmo
Wednesday looks like the warmest upcoming period in Saint Elmo at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 5 to 8 mph NE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 7:53 AM CDT
- Coverage
- 7 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 showers and thunderstorms after 4pm. Partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between 7pm and 10pm, then showers and thunderstorms likely between 10pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind around 3 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 9am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. North wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Northeast wind around 5 mph. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 66. Chance of precipitation is 20%.
Sunny, with a high near 86.
Mostly clear, with a low around 67.
Sunny, with a high near 88.
Mostly clear, with a low around 69.
Sunny, with a high near 89.
Mostly clear, with a low around 70.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Slight Chance Showers And Thunderstorms
|
71°F |
1 mph
N
|
|
Friday
Jul 10
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 mph
SW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
69°F |
3 mph
W
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
84°F |
5 mph
N
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
67°F |
5 mph
NE
|
|
Sunday
Jul 12
|
Slight Chance Rain Showers
|
84°F |
5 to 8 mph
NE
|
|
Sunday Night
Jul 12
|
Slight Chance Rain Showers then Mostly Clear
|
66°F |
2 to 8 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
86°F |
7 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
67°F |
1 to 6 mph
NE
|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
5 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
0 to 3 mph
SE
|
|
Wednesday
Jul 15
|
Sunny
|
89°F |
3 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
2 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
89°F |
2 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Elmo.