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Day 1 Outlook • April 17, 2026
Day 2 Outlook • April 18, 2026
Day 3 Outlook • April 19, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for SIMS, ILLINOIS

Current Conditions: SIMS, ILLINOIS

SALEM/LECKRONE (KSLO)

Mostly Cloudy

73.2 F
Humidity:69%
Wind Speed:S 11.4 mph
Barometer:29.96 in
Dewpoint:62.6 F
Visibility:10.00 mi
Precip:--
Heat Index:73.6 F
Wind Chill:NA
Apr 17 2026, 10:15 AM CDT
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5 Day Forecast for SIMS, ILLINOIS (62886)

Friday

High 84 °F
Chance of T-storms
Friday
Night
Low 53 °F
T-storms
Saturday

High 66 °F
T-storms
Saturday
Night
Low 39 °F
Mostly Clear
Sunday

High 64 °F
Mostly Sunny
Sunday
Night
Low 41 °F
Mostly Clear
Monday

High 68 °F
Sunny
Monday
Night
Low 50 °F
Mostly Clear
Tuesday

High 77 °F
Partly Sunny

Detailed Forecast for SIMS, ILLINOIS (62886)

Friday
Chance of Thunderstorms. High near 84°F. Wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
Thunderstorms. Low around 53°F. Wind 10 to 12 mph, with gusts as high as 22 mph.
Saturday
Thunderstorms. High near 66°F. Wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly Clear. Low around 39°F. Wind 5 to 8 mph, with gusts as high as 17 mph.
Sunday
Mostly Sunny. High near 64°F. Wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly Clear. Low around 41°F. Wind around 3 mph, with gusts as high as 9 mph.
Monday
Sunny. High near 68°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Monday Night
Mostly Clear. Low around 50°F. Wind around 6 mph, with gusts as high as 14 mph.
Tuesday
Partly Sunny. High near 77°F. Wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Partly Cloudy. Low around 55°F. Wind around 7 mph, with gusts as high as 15 mph.
Wednesday
Isolated T-storm. High near 80°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly Clear. Low around 57°F. Wind around 6 mph, with gusts as high as 12 mph.
Thursday
Isolated T-storm. High near 82°F. Wind 7 to 10 mph, with gusts as high as 17 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 17, 2026

Observation History for SIMS, ILLINOIS

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)
10:15 AM CDT S 11.4 10.00 Mostly Cloudy -- 73.2 62.6 69% NA 73.6 29.96 1014.6
09:55 AM CDT 9.2 10.00 Mostly Cloudy -- 71.6 61.3 70% NA 71.8 29.96 1014.6
09:35 AM CDT S 10.3 10.00 Partly Cloudy -- 70.9 61.2 71% NA 71.1 29.96 1014.6
09:15 AM CDT S 10.3 10.00 NULL -- 69.4 60.1 72% NA NA 29.96 1014.6
08:55 AM CDT S 10.3 10.00 Partly Cloudy -- 67.8 59.4 74% NA NA 29.96 1014.6
08:35 AM CDT S 6.9 10.00 Clear -- 66.6 58.6 76% NA NA 29.96 1014.6
08:15 AM CDT S 5.8 10.00 Partly Cloudy -- 65.3 57.7 77% NA NA 29.97 1014.9
07:55 AM CDT S 6.9 10.00 Partly Cloudy -- 65.3 57.6 76% NA NA 29.97 1014.9
07:35 AM CDT S 6.9 10.00 Cloudy -- 64.8 57.4 77% NA NA 29.96 1014.6
07:15 AM CDT S 8.1 10.00 Cloudy -- 64.4 57.2 77% NA NA 29.96 1014.6
06:55 AM CDT S 6.9 10.00 Mostly Cloudy -- 64.0 56.8 77% NA NA 29.96 1014.6
06:35 AM CDT S 3.4 10.00 Partly Cloudy -- 63.5 56.7 78% NA NA 29.95 1014.2
06:15 AM CDT S 4.7 10.00 NULL -- 63.5 56.7 78% NA NA 29.95 1014.2
05:55 AM CDT S 6.9 10.00 Cloudy -- 63.5 56.5 78% NA NA 29.95 1014.2
05:35 AM CDT S 4.7 10.00 Mostly Cloudy -- 62.6 56.3 80% NA NA 29.95 1014.2
05:15 AM CDT S 5.8 10.00 Partly Cloudy -- 62.6 56.3 80% NA NA 29.94 1013.9
04:55 AM CDT S 4.7 10.00 Partly Cloudy -- 62.2 57.2 84% NA NA 29.94 1013.9
04:35 AM CDT S 3.4 10.00 Mostly Cloudy -- 61.9 57.9 87% NA NA 29.94 1013.9
04:15 AM CDT S 4.7 10.00 Partly Cloudy -- 61.3 58.1 89% NA NA 29.94 1013.9
03:55 AM CDT 0.0 10.00 Partly Cloudy -- 61.0 57.7 89% NA NA 29.94 1013.9
03:35 AM CDT S 3.4 10.00 Clear -- 61.0 57.7 89% NA NA 29.94 1013.9
03:15 AM CDT S 3.4 10.00 Clear -- 60.8 57.6 89% NA NA 29.94 1013.9
02:55 AM CDT 0.0 10.00 Clear -- 61.0 57.4 88% NA NA 29.95 1014.2
02:35 AM CDT S 3.4 10.00 Clear -- 60.8 57.4 88% NA NA 29.95 1014.2

Regional Weather Observation

SALEM/LECKRONE (KSLO)

Mostly Cloudy
73.2 F

MOUNT VERNON (KMVN)

Partly Cloudy
73.4 F

FLORA (KFOA)

Clear
71.6 F

FAIRFIELD (KFWC)

Clear
72.3 F

OLNEY-NOBLE (KOLY)

Cloudy
69.6 F

CENTRALIA (KENL)

Mostly Cloudy
73.0 F
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