Salem, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Salem, IL in one place.
Rain showers before 10am, then showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for 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 24, 2026 12:38 AM CDT.
The active forecast window currently covers May 26 to May 30, 2026 for Salem, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 12:38 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Salem
Thursday looks like the warmest upcoming period in Salem at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Saturday at about 7 to 10 mph NE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 12:38 AM 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
Showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 70%.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Showers And Thunderstorms
|
79°F |
6 mph
SE
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms
|
67°F |
6 mph
SE
|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
82°F |
6 mph
S
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
67°F |
3 mph
SE
|
|
Thursday
May 28
|
Slight Chance Showers And Thunderstorms
|
83°F |
3 mph
SE
|
|
Thursday Night
May 28
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
2 to 6 mph
NE
|
|
Friday
May 29
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
79°F |
6 to 9 mph
NE
|
|
Friday Night
May 29
|
Chance Showers And Thunderstorms
|
60°F |
8 mph
NE
|
|
Saturday
May 30
|
Mostly Sunny then Slight Chance Rain Showers
|
78°F |
7 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Salem.