Sibley, IL Weather Forecast & Alerts

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

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Current Conditions — Sibley, IL

PONTIAC (KPNT)

NULL

61.7 F
Humidity:77%
Wind Speed: mph
Barometer:29.94 in
Dewpoint:54.5 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 04:15 AM CDT
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5-Day Forecast — Sibley, IL

Wednesday

High 80 °F
Partly Sunny
Wednesday
Night
Low 57 °F
Partly Cloudy
Thursday

High 82 °F
Partly Sunny
Thursday
Night
Low 62 °F
Chance of T-storms
Friday

High 75 °F
T-storms
Friday
Night
Low 51 °F
Partly Cloudy
Saturday

High 73 °F
Mostly Sunny
Saturday
Night
Low 48 °F
Mostly Cloudy
Sunday

High 75 °F
Partly Sunny

Detailed Forecast — Sibley, IL

Wednesday
Partly Sunny. High near 80°F. Wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly Cloudy. Low around 57°F. Wind 7 to 9 mph, with gusts as high as 14 mph.
Thursday
Partly Sunny. High near 82°F. Wind 12 to 22 mph, with gusts as high as 29 mph.
Thursday Night
Chance of Thunderstorms. Low around 62°F. Wind 16 to 17 mph, with gusts as high as 25 mph.
Friday
Thunderstorms. High near 75°F. Wind 12 to 18 mph, with gusts as high as 25 mph.
Friday Night
Partly Cloudy. Low around 51°F. Wind around 8 mph, with gusts as high as 13 mph.
Saturday
Mostly Sunny. High near 73°F. Wind 12 to 13 mph, with gusts as high as 17 mph.
Saturday Night
Mostly Cloudy. Low around 48°F. Wind around 8 mph, with gusts as high as 13 mph.
Sunday
Partly Sunny. High near 75°F. Wind 13 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Chance of Rain. Low around 53°F. Wind around 15 mph, with gusts as high as 23 mph.
Monday
Thunderstorms Likely. High near 75°F. Wind 17 to 22 mph, with gusts as high as 29 mph.
Monday Night
Chance of Rain. Low around 50°F. Wind around 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly Cloudy. High near 66°F. Wind 13 to 17 mph, with gusts as high as 23 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 22, 2026

Observation History — Sibley, 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)
04:15 AM CDT 10.00 NULL -- 61.7 54.5 77% NA NA 29.94 1013.9
03:55 AM CDT 10.00 Clear -- 62.1 54.5 76% NA NA 29.94 1013.9
03:35 AM CDT 10.00 Clear -- 62.4 54.1 74% NA NA 29.94 1013.9
03:15 AM CDT 10.00 Clear -- 62.6 53.6 72% NA NA 29.94 1013.6
02:55 AM CDT 10.00 Clear -- 62.6 53.1 71% NA NA 29.94 1013.6
02:35 AM CDT 10.00 Clear -- 63.1 53.1 70% NA NA 29.93 1013.5
02:15 AM CDT 10.00 Clear -- 63.0 53.1 70% NA NA 29.94 1013.6
01:55 AM CDT 10.00 Clear -- 63.5 52.7 68% NA NA 29.94 1013.6
01:35 AM CDT 10.00 Clear -- 63.5 52.7 68% NA NA 29.94 1013.6
01:15 AM CDT 10.00 Clear -- 63.5 52.3 67% NA NA 29.94 1013.6
12:55 AM CDT 10.00 Clear -- 63.3 52.2 67% NA NA 29.94 1013.6
12:35 AM CDT 10.00 Clear -- 63.9 52.2 66% NA NA 29.93 1013.5
12:15 AM CDT 10.00 Clear -- NULL % NA NA M
11:55 PM CDT 10.00 Clear -- 63.1 52.2 67% NA NA 29.92 1013.2
11:35 PM CDT 10.00 Partly Cloudy -- 63.5 52.2 67% NA NA 29.93 1013.5
11:15 PM CDT 10.00 Clear -- 65.5 52.3 63% NA NA 29.93 1013.5
10:55 PM CDT 10.00 Partly Cloudy -- 66.6 52.2 60% NA NA 29.94 1013.6
10:35 PM CDT 10.00 Partly Cloudy -- 66.7 52.2 59% NA NA 29.94 1013.6
10:15 PM CDT 10.00 Partly Cloudy -- 68.0 52.2 57% NA NA 29.93 1013.5
09:55 PM CDT 10.00 Partly Cloudy -- 68.9 52.2 55% NA NA 29.94 1013.6
09:35 PM CDT 10.00 Mostly Cloudy -- 69.1 52.3 55% NA NA 29.94 1013.6
09:15 PM CDT 10.00 Partly Cloudy -- 69.6 52.2 54% NA NA 29.94 1013.6
08:55 PM CDT 10.00 Partly Cloudy -- 69.6 52.2 54% NA NA 29.94 1013.6
08:15 PM CDT 10.00 Mostly Cloudy -- 72.7 51.8 48% NA 72.0 29.92 1013.2

Regional Weather Observation

PONTIAC (KPNT)

NULL
61.7 F

BLOOMINGTON/NORM (KBMI)

Clear
62.6 F

RANTOUL (KTIP)

Clear
57.7 F

CHAMPAIGN/URBANA (KCMI)

Clear
59.0 F

MORRIS-WASHBURN (KC09)

Clear
61.0 F

JOLIET (KJOT)

Clear
62.1 F
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