New Salem, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Salem, IL in one place.
Mostly sunny, with a high near 82.
Local Weather Overview
This forecast page for New Salem, 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: May 27, 2026 7:26 PM CDT.
The active forecast window currently covers May 30 to Jun 2, 2026 for New Salem, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 2, 2026
- Latest sync
- May 27, 2026 7:26 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in New Salem
Monday looks like the warmest upcoming period in New Salem at 83 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 8 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 7:26 PM CDT
- Coverage
- 4 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 sourceExtended Forecast
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Sunny, with a high near 81.
Clear, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
82°F |
3 to 7 mph
E
|
|
Saturday Night
May 30
|
Partly Cloudy
|
61°F |
6 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
81°F |
7 mph
E
|
|
Sunday Night
May 31
|
Partly Cloudy
|
60°F |
5 mph
E
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
3 to 7 mph
NE
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
6 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
8 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
57°F |
6 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Salem.