Sullivan, IL Current Weather Conditions

Current weather observations and 72-hour history for Sullivan, IL. • View 5-Day Forecast ›

▼Current Conditions — Sullivan, IL

DECATUR (KDEC)

Clear

93.2 F

Humidity:	50%
Wind Speed:	S 3.4 mph
Barometer:	29.99 in
Dewpoint:	71.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	100.9 F
Wind Chill:	NA

Sep 1 2026, 06:30 PM CDT

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▼Hourly Observation History — Sullivan, IL

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
06:30 PM CDT	S 3.4	10.00	Clear	--	93.2	71.6	50%	NA	100.9	29.99	1015.6
06:25 PM CDT	0.0	10.00	Clear	--	93.2	71.6	50%	NA	100.9	29.99	1015.6
06:20 PM CDT	S 3.4	10.00	Clear	--	93.2	71.6	50%	NA	100.9	29.99	1015.6
06:15 PM CDT	SW 3.4	10.00	Clear	--	93.2	71.6	50%	NA	100.9	29.99	1015.6
06:05 PM CDT	0.0	10.00	Clear	--	95.0	69.8	44%	NA	101.5	29.99	1015.6
06:00 PM CDT	0.0	10.00	Clear	--	95.0	69.8	44%	NA	101.5	29.99	1015.6
05:45 PM CDT	SW 4.6	10.00	Clear	--	95.0		%	NA	NA	29.99	1015.6
05:35 PM CDT	SW 4.6	10.00	Clear	--	95.0		%	NA	NA	29.99	1015.6
05:30 PM CDT	5.7	10.00	Clear	--	95.0		%	NA	NA	29.99	1015.6
05:20 PM CDT	SW 4.6	10.00	Clear	--	96.8		%	NA	NA	29.99	1015.6
05:10 PM CDT	5.7	10.00	Clear	--	96.8		%	NA	NA	29.99	1015.6
05:05 PM CDT	8.1	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:45 PM CDT	8.1	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:40 PM CDT	5.7	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:30 PM CDT	SW 6.9	10.00	Clear	--	96.8	68.0	39%	NA	102.0	29.99	1015.6
04:25 PM CDT	9.2	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:20 PM CDT	S 6.9	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:15 PM CDT	6.9	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:10 PM CDT	8.1	10.00	Clear	--	96.8	69.8	42%	NA	103.6	29.99	1015.6
04:05 PM CDT	6.9	10.00	Clear	--	96.8		%	NA	NA	29.99	1015.6
03:54 PM CDT	W 6.9	10.00	Clear	--	96.1		%	NA	NA	29.99	1015.6
03:50 PM CDT	6.9	10.00	Clear	--	96.8		%	NA	NA	30.00	1015.9
03:40 PM CDT	5.7	10.00	Clear	--	96.8		%	NA	NA	30.00	1015.9
03:35 PM CDT	8.1	10.00	Clear	--	96.8		%	NA	NA	30.00	1015.9
03:25 PM CDT	SW 8.1	10.00	Clear	--	96.8		%	NA	NA	30.00	1015.9
03:15 PM CDT	SW 5.7	10.00	Clear	--	96.8		%	NA	NA	30.00	1015.9
03:10 PM CDT	SW 6.9	10.00	Clear	--	96.8	69.8	42%	NA	103.6	30.00	1015.9
03:05 PM CDT	SW 8.1	10.00	Clear	--	95.0		%	NA	NA	30.00	1015.9
02:50 PM CDT	8.1	10.00	Clear	--	95.0	69.8	44%	NA	101.5	30.01	1016.3
02:45 PM CDT	SW 8.1	10.00	Clear	--	96.8	69.8	42%	NA	103.6	30.01	1016.3
02:40 PM CDT	5.7	10.00	Clear	--	95.0	69.8	44%	NA	101.5	30.01	1016.3
02:35 PM CDT	SW 9.2	10.00	Clear	--	95.0	69.8	44%	NA	101.5	30.01	1016.3
02:30 PM CDT	SW 8.1	10.00	Clear	--	95.0	69.8	44%	NA	101.5	30.01	1016.3
02:25 PM CDT	SW 9.2	10.00	Clear	--	95.0	69.8	44%	NA	101.5	30.01	1016.3
02:15 PM CDT	SW 8.1	10.00	Clear	--	95.0	69.8	44%	NA	101.5	30.02	1016.6
02:10 PM CDT	9.2	10.00	Clear	--	93.2	69.8	47%	NA	99.1	30.02	1016.6
02:05 PM CDT	8.1	10.00	Clear	--	93.2	69.8	47%	NA	99.1	30.02	1016.6
01:54 PM CDT	SW 9.2	10.00	Clear	--	93.9	70.0	46%	NA	100.2	30.02	1016.6
01:45 PM CDT	8.1	10.00	Clear	--	93.2	69.8	47%	NA	99.1	30.02	1016.6
01:40 PM CDT	SW 10.4	10.00	Clear	--	93.2	69.8	47%	NA	99.1	30.03	1016.9
01:35 PM CDT	10.4	10.00	Clear	--	93.2	71.6	50%	NA	100.9	30.03	1016.9
01:20 PM CDT	9.2	10.00	Clear	--	93.2	71.6	50%	NA	100.9	30.03	1016.9
01:10 PM CDT	8.1	10.00	Clear	--	93.2	69.8	47%	NA	99.1	30.03	1016.9
01:05 PM CDT	9.2	10.00	Clear	--	91.4	69.8	49%	NA	97.0	30.03	1016.9
12:50 PM CDT	SW 11.5	10.00	Clear	--	91.4	71.6	53%	NA	98.6	30.04	1017.3
12:40 PM CDT	9.2	10.00	Clear	--	91.4	69.8	49%	NA	97.0	30.04	1017.3
12:35 PM CDT	SW 10.4	10.00	Clear	--	91.4	71.6	53%	NA	98.6	30.04	1017.3
12:30 PM CDT	SW 9.2	10.00	Clear	--	91.4	71.6	53%	NA	98.6	30.04	1017.3
12:20 PM CDT	SW 10.4	10.00	Clear	--	91.4	69.8	49%	NA	97.0	30.04	1017.3
12:15 PM CDT	SW 10.4	10.00	Clear	--	91.4	71.6	53%	NA	98.6	30.05	1017.6
12:10 PM CDT	SW 10.4	10.00	Clear	--	91.4	71.6	53%	NA	98.6	30.05	1017.6
12:05 PM CDT	SW 8.1	10.00	Clear	--	91.4	69.8	49%	NA	97.0	30.05	1017.6
12:00 PM CDT	SW 11.5	10.00	Clear	--	91.4	71.6	53%	NA	98.6	30.05	1017.6
11:40 AM CDT	SW 11.5	10.00	Clear	--	89.6	71.6	56%	NA	96.4	30.05	1017.6
11:30 AM CDT	10.4	10.00	Clear	--	89.6	71.6	56%	NA	96.4	30.05	1017.6
11:25 AM CDT	SW 10.4	10.00	Clear	--	89.6	71.6	56%	NA	96.4	30.05	1017.6
11:20 AM CDT	SW 9.2	10.00	Clear	--	89.6	71.6	56%	NA	96.4	30.05	1017.6
11:10 AM CDT	W 8.1	10.00	Clear	--	89.6	69.8	52%	NA	94.8	30.05	1017.6
11:05 AM CDT	W 10.4	10.00	Clear	--	89.6	69.8	52%	NA	94.8	30.05	1017.6
11:00 AM CDT	9.2	10.00	Clear	--	87.8	69.8	55%	NA	92.7	30.05	1017.6
10:50 AM CDT	11.5	10.00	Clear	--	87.8	69.8	55%	NA	92.7	30.05	1017.6
10:45 AM CDT	W 11.5	10.00	Clear	--	87.8	69.8	55%	NA	92.7	30.05	1017.6
10:30 AM CDT	10.4	10.00	Clear	--	87.8	69.8	55%	NA	92.7	30.05	1017.6
10:20 AM CDT		10.00	Clear	--	86.0	69.8	59%	NA	90.7	30.05	1017.6
10:15 AM CDT	9.2	10.00	Clear	--	86.0	69.8	59%	NA	90.7	30.05	1017.6
10:10 AM CDT	SW 10.4 G 24.2	10.00	Clear	--	86.0	69.8	59%	NA	90.7	30.05	1017.6
10:05 AM CDT	8.1	10.00	Clear	--	86.0	69.8	59%	NA	90.7	30.05	1017.6
10:00 AM CDT	10.4	10.00	Clear	--	84.2	69.8	62%	NA	88.5	30.05	1017.6
09:45 AM CDT	10.4	10.00	Clear	--	84.2	69.8	62%	NA	88.5	30.05	1017.6
09:40 AM CDT	10.4	10.00	Clear	--	84.2	69.8	62%	NA	88.5	30.05	1017.6
09:35 AM CDT	13.8	10.00	Clear	--	84.2	69.8	62%	NA	88.5	30.05	1017.6
09:30 AM CDT	10.4	10.00	Clear	--	84.2	69.8	62%	NA	88.5	30.05	1017.6