Salem, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Salem, IL.

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Current Conditions — Salem, IL

CENTRALIA (KENL)

Clear

61.3 F

Humidity:38%
Wind Speed: 0.0 mph
Barometer:30.04 in
Dewpoint:35.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 7 2026, 12:35 PM CDT

5-Day Forecast — Salem, IL

Thursday

High 68 °F
Mostly Sunny

Thursday
Night
Low 48 °F
Mostly Clear

Friday

High 73 °F
T-storms Likely

Friday
Night
Low 53 °F
T-storms Likely
Saturday

High 77 °F
Mostly Sunny

Saturday
Night
Low 57 °F
Chance of Showers
Sunday

High 68 °F
Mostly Cloudy

Sunday
Night
Low 46 °F
Mostly Clear

Monday

High 68 °F
Forecast Missing

Detailed Forecast — Salem, IL

Thursday
Mostly Sunny. High near 68°F. Wind 5 to 9 mph, with gusts as high as 16 mph.
Thursday Night
Mostly Clear. Low around 48°F. Wind 5 to 7 mph, with gusts as high as 16 mph.
Friday
Thunderstorms Likely. High near 73°F. Wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
Thunderstorms Likely. Low around 53°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
Saturday
Mostly Sunny. High near 77°F. Wind 2 to 8 mph, with gusts as high as 14 mph.
Saturday Night
Chance of Showers. Low around 57°F. Wind around 3 mph, with gusts as high as 8 mph.
Sunday
Mostly Cloudy. High near 68°F. Wind 7 to 8 mph, with gusts as high as 14 mph.
Sunday Night
Mostly Clear. Low around 46°F. Wind around 5 mph, with gusts as high as 10 mph.
Monday
Sunny. High near 68°F. Wind 1 to 7 mph, with gusts as high as 12 mph.
Monday Night
Mostly Clear. Low around 50°F. Wind around 2 mph, with gusts as high as 7 mph.
Tuesday
Isolated T-storm. High near 75°F. Wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly Clear. Low around 57°F. Wind around 12 mph, with gusts as high as 20 mph.
Wednesday
Slight Chance of Showers. High near 77°F. Wind 5 to 10 mph, with gusts as high as 16 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • May 7, 2026

Observation History — Salem, IL

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
12:35 PM CDT 0.0 10.00 Clear -- 61.3 35.2 38% NA NA 30.04 1017.3
12:15 PM CDT 3.4 10.00 Clear -- 60.8 34.2 37% NA NA 30.04 1017.3
11:55 AM CDT 5.8 10.00 Clear -- 60.6 34.5 37% NA NA 30.04 1017.3
11:35 AM CDT 8.1 G 19.7 10.00 Clear -- 59.9 34.2 38% NA NA 30.05 1017.6
11:15 AM CDT 0.0 10.00 Clear -- 59.4 34.5 39% NA NA 30.06 1018.0
10:55 AM CDT 0.0 10.00 Clear -- 59.7 37.0 43% NA NA 30.05 1017.6
10:15 AM CDT 0.0 10.00 Clear -- 58.1 34.2 40% NA NA 30.06 1018.0
09:55 AM CDT 0.0 10.00 Clear -- 57.4 34.3 42% NA NA 30.06 1018.0
09:35 AM CDT 0.0 10.00 Clear -- 56.5 37.2 48% NA NA 30.07 1018.3
09:15 AM CDT 0.0 10.00 Clear -- 55.6 36.5 49% NA NA 30.07 1018.3
08:55 AM CDT 0.0 10.00 Clear -- 54.1 37.6 53% NA NA 30.07 1018.3
08:35 AM CDT 0.0 10.00 Clear -- 52.3 37.9 58% NA NA 30.07 1018.3
08:15 AM CDT 0.0 10.00 NULL -- NULL 39.9 % NA NA 30.07 1018.3
07:35 AM CDT 0.0 10.00 Clear -- NULL 44.1 % NA NA 30.06 1018.0
07:15 AM CDT 0.0 10.00 Clear -- 43.5 42.8 97% NA NA 30.06 1018.0
06:55 AM CDT 0.0 10.00 Clear -- 41.2 40.5 97% NA NA 30.05 1017.6
06:35 AM CDT 0.0 3.00 Fog/Mist -- 38.5 37.8 97% NA NA 30.05 1017.6
06:15 AM CDT 0.0 4.00 Fog/Mist -- 38.3 37.6 97% NA NA 30.04 1017.3
05:55 AM CDT 0.0 5.00 Fog/Mist -- 37.8 37.0 97% NA NA 30.04 1017.3
05:35 AM CDT 0.0 7.00 Clear -- 38.3 37.6 97% NA NA 30.04 1017.3
05:15 AM CDT 0.0 4.00 Fog/Mist -- 37.6 36.9 97% NA NA 30.04 1017.3
04:55 AM CDT 0.0 4.00 Fog/Mist -- 38.5 37.8 97% NA NA 30.04 1017.3
04:35 AM CDT 0.0 10.00 Clear -- 38.7 37.8 97% NA NA 30.04 1017.3
04:15 AM CDT 0.0 10.00 Clear -- 39.6 39.0 98% NA NA 30.05 1017.6

Regional Weather Observation

CENTRALIA (KENL)

Clear
61.3 F

SALEM/LECKRONE (KSLO)

Clear
61.9 F

SCOTT AFB/BELLEV (KBLV)

Clear
62.8 F

MOUNT VERNON (KMVN)

Clear
60.8 F

FLORA (KFOA)

Clear
60.8 F

LITCHFIELD MUNI (K3LF)

Clear
60.3 F
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