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Salem, IL Weather Forecast

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Salem, IL Weather Forecast

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Salem IL weather - Clear - 79°F
Clear
79°F
Updated 9:21 am
Feels Like 81°F
Humidity 65%
Wind N/A N/A mph
Barometer  29.94 in
Dew Point 66°F
Salem IL weather - Clear - 26°C
Clear
26°C
Updated 9:21 am
Feels Like 27°C
Humidity 65%
Wind N/A 0 km/h
Barometer  101.3 kPa
Dew Point 19°C
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Salem Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY FRIDAY FRIDAY NIGHT SATURDAY
Salem, IL Weather - Today Partly Sunny Salem, IL Weather - Tonight Chance Of T-Storm Salem, IL Weather - Monday Chance Of T-Storm Salem, IL Weather - Monday Night Chance Of Showers Salem, IL Weather - Tuesday Mostly Cloudy Salem, IL Weather - Tuesday Night Partly Cloudy Salem, IL Weather - Wednesday Partly Cloudy Salem, IL Weather - Thursday Partly Cloudy Salem, IL Weather - Friday Partly Sunny Salem, IL Weather - Friday Night Partly Cloudy Salem, IL Weather - Saturday Partly Cloudy
Partly Sunny Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Partly Cloudy Partly Cloudy
Hi: 95°FHi: 35°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 71°FHi: 22°C
 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP: 70% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 538 AM CDT Sun Sep 20 2026 Salem, IL Weather - WeatherWorld.com

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Issued: 648 AM CDT Sun Sep 20 2026

Key Messages

  • A cold front begins slowly moving through the region today bringing cooler temperatures the rest of the week.
  • Thunderstorms along the front tonight bring the best chance for rain all week.

Aviation

/12Z TAFS THROUGH 18Z MONDAY/... Issued at 647 AM CDT Sun Sep 20 2026

A cold front is moving south through the area bringing chances of showers and thunderstorms. UIN, JEF, and COU will be impacted by some showers this morning, but the best chances for thunderstorms for all terminals will be ...