Saint Elmo, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Elmo, IL in one place.
Sunny, with a high near 87. Southeast wind 3 to 9 mph.
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: Oct 8, 2026 11:50 AM CDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Saint Elmo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 11:50 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Elmo
Friday looks like the warmest upcoming period in Saint Elmo at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Tuesday at about 12 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 11:50 AM CDT
- Coverage
- 6 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
Mostly clear, with a low around 59. Southeast wind around 6 mph.
Partly sunny. High near 83, with temperatures falling to around 79 in the afternoon. Southeast wind 5 to 8 mph.
Rain showers likely between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm. Partly sunny, with a high near 74. Chance of precipitation is 70%.
Partly cloudy, with a low around 56.
Sunny, with a high near 86.
Mostly clear, with a low around 59.
A slight chance of rain showers after 1pm. Sunny, with a high near 77. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 50. Chance of precipitation is 20%.
Sunny, with a high near 73.
Mostly clear, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Sunny
|
87°F |
3 to 9 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
59°F |
6 mph
SE
|
|
Saturday
Oct 10
|
Partly Sunny
|
83°F |
5 to 8 mph
SE
|
|
Saturday Night
Oct 10
|
Rain Showers Likely
|
57°F |
7 to 10 mph
E
|
|
Sunday
Oct 11
|
Showers And Thunderstorms Likely
|
74°F |
5 to 10 mph
NE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
56°F |
3 mph
W
|
|
Columbus Day
Oct 12
|
Sunny
|
86°F |
1 to 8 mph
SW
|
|
Monday Night
Oct 12
|
Mostly Clear
|
59°F |
6 to 9 mph
SW
|
|
Tuesday
Oct 13
|
Sunny then Slight Chance Rain Showers
|
77°F |
12 mph
NW
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers then Mostly Clear
|
50°F |
3 to 8 mph
N
|
|
Wednesday
Oct 14
|
Sunny
|
73°F |
6 mph
E
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
52°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Elmo.