Chambersburg, IL Current Weather Conditions

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

▼Current Conditions — Chambersburg, IL

MOUNT STERLING (KI63)

Mostly Cloudy

86.0 F

Humidity:	79%
Wind Speed:	10.3 mph
Barometer:	29.85 in
Dewpoint:	78.8 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	99.3 F
Wind Chill:	NA

Jun 28 2026, 12:55 PM CDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Illinois

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Illinois

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Chambersburg, 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)
12:55 PM CDT	10.3	10.00	Mostly Cloudy	--	86.0	78.8	79%	NA	99.3	29.85	1010.8
12:35 PM CDT	10.3	10.00	Mostly Cloudy	--	85.6	78.3	79%	NA	98.1	29.85	1010.8
12:15 PM CDT	SE 9.2	10.00	Mostly Cloudy	--	85.1	77.9	79%	NA	96.8	29.85	1010.8
11:55 AM CDT	SE 8.1	10.00	Partly Cloudy	--	83.1	77.4	83%	NA	92.5	29.85	1010.8
11:35 AM CDT	SE 11.4	4.00	Haze	--	82.9	76.6	81%	NA	91.6	29.85	1010.8
11:15 AM CDT	8.1	2.50	Haze	--	82.6	76.3	81%	NA	90.7	29.86	1011.2
10:35 AM CDT	9.2	2.50	Haze	--	81.3	76.3	85%	NA	88.2	29.85	1010.8
10:15 AM CDT	9.2	2.50	Fog/Mist	--	80.1	75.6	86%	NA	85.3	29.85	1010.8
09:55 AM CDT	S 8.1	4.00	Fog/Mist	--	79.3	75.6	88%	NA	83.7	29.86	1011.2
09:15 AM CDT	9.2	10.00	Cloudy	--	77.2	74.8	93%	NA	79.0	29.88	1011.9
08:55 AM CDT	8.1	10.00	Cloudy	--	76.1	74.3	94%	NA	77.9	29.88	1011.9
08:35 AM CDT	SE 6.9	10.00	Cloudy	--	75.0	73.9	96%	NA	76.8	29.88	1011.9
08:15 AM CDT	SE 5.8	7.00	Cloudy	--	73.6	73.4	99%	NA	75.4	29.88	1011.9
07:55 AM CDT	5.8	7.00	Cloudy	--	73.0	72.7	99%	NA	74.7	29.88	1011.9
07:35 AM CDT	4.7	5.00	Fog/Mist	--	72.0	71.8	99%	NA	73.6	29.87	1011.5
07:15 AM CDT	SE 5.8	4.00	Fog/Mist	--	71.2	71.1	99%	NA	72.7	29.87	1011.5
06:55 AM CDT	SE 4.7	3.00	Fog/Mist	00.02	70.7	70.7	100%	NA	72.1	29.87	1011.5
06:35 AM CDT	SE 5.8	3.00	Drizzle	00.02	70.7	70.3	99%	NA	72.1	29.88	1011.9
06:15 AM CDT	3.4	2.00	Light Rain	00.01	70.3	70.2	99%	NA	71.8	29.88	1011.9
05:55 AM CDT	SE 5.8	1.75	Fog/Mist	--	69.8	69.8	100%	NA	NA	29.88	1011.9
05:35 AM CDT	4.7	4.00	Fog/Mist	--	69.4	69.1	99%	NA	NA	29.87	1011.5
05:15 AM CDT	SE 5.8	7.00	NULL	--	69.4	69.1	99%	NA	NA	29.87	1011.5
04:55 AM CDT	E 5.8	7.00	Mostly Cloudy	--	69.3	68.9	99%	NA	NA	29.87	1011.5
04:35 AM CDT	SE 4.7	7.00	Mostly Cloudy	--	69.1	68.7	99%	NA	NA	29.88	1011.9
04:15 AM CDT	4.7	10.00	Mostly Cloudy	--	69.4	68.9	98%	NA	NA	29.88	1011.9
03:55 AM CDT	E 5.8	10.00	Mostly Cloudy	--	69.8	68.9	97%	NA	NA	29.88	1011.9
03:35 AM CDT	E 3.4	10.00	Cloudy	--	70.0	69.1	97%	NA	NA	29.89	1012.2
03:15 AM CDT	E 4.7	10.00	Cloudy	--	70.0	68.9	96%	NA	NA	29.88	1011.9
02:55 AM CDT	E 5.8	10.00	Cloudy	--	70.2	69.1	96%	NA	71.4	29.89	1012.2
02:35 AM CDT	4.7	10.00	Cloudy	--	70.0	68.9	96%	NA	NA	29.89	1012.2
02:15 AM CDT	4.7	10.00	Mostly Cloudy	--	69.8	69.1	98%	NA	NA	29.89	1012.2
01:55 AM CDT	5.8	10.00	Mostly Cloudy	--	69.8	69.3	98%	NA	NA	29.89	1012.2
01:35 AM CDT	4.7	10.00	Mostly Cloudy	--	69.8	69.3	98%	NA	NA	29.89	1012.2
01:15 AM CDT	5.8	10.00	Mostly Cloudy	--	69.6	69.1	98%	NA	NA	29.89	1012.2
12:55 AM CDT	3.4	10.00	Cloudy	--	69.4	69.1	99%	NA	NA	29.90	1012.5
12:35 AM CDT	SE 3.4	10.00	Partly Cloudy	--	68.9	68.2	98%	NA	NA	29.90	1012.5
12:15 AM CDT	SE 3.4	10.00	Clear	--	69.1	68.4	98%	NA	NA	29.91	1012.9
11:35 PM CDT	E 3.4	10.00	Clear	--	69.8	68.9	97%	NA	NA	29.90	1012.5
11:15 PM CDT	E 4.7	10.00	Partly Cloudy	--	70.0	69.1	97%	NA	NA	29.90	1012.5
10:55 PM CDT	E 3.4	10.00	Clear	--	70.2	69.1	96%	NA	71.4	29.90	1012.5
10:35 PM CDT	E 4.7	10.00	Clear	--	70.7	69.3	95%	NA	72.0	29.91	1012.9
10:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
09:55 PM CDT	E 4.7	10.00	Clear	--	71.6	70.0	95%	NA	72.9	29.91	1012.9
09:35 PM CDT	4.7	10.00	Partly Cloudy	--	71.8	70.2	95%	NA	73.0	29.91	1012.9
09:15 PM CDT	4.7	10.00	Mostly Cloudy	--	72.9	70.3	92%	NA	74.1	29.90	1012.5
08:55 PM CDT	0.0	10.00	Cloudy	--	73.4	71.1	92%	NA	74.8	29.90	1012.5
08:35 PM CDT	3.4	10.00	Cloudy	--	73.8	70.9	91%	NA	75.0	29.90	1012.5
08:15 PM CDT	0.0	10.00	Cloudy	--	74.3	71.4	91%	NA	75.7	29.91	1012.9
07:55 PM CDT	NE 4.7	10.00	Cloudy	--	74.8	70.7	87%	NA	76.1	29.90	1012.5
07:35 PM CDT	0.0	10.00	Cloudy	--	75.6	70.7	85%	NA	76.8	29.90	1012.5
07:15 PM CDT	E 4.7	10.00	Cloudy	--	76.3	70.9	83%	NA	77.5	29.90	1012.5
06:55 PM CDT	0.0	10.00	Cloudy	--	76.3	70.7	83%	NA	77.5	29.89	1012.2
06:35 PM CDT	3.4	10.00	Cloudy	--	76.3	70.3	82%	NA	77.5	29.89	1012.2
06:15 PM CDT	E 3.4	10.00	Cloudy	--	76.5	70.5	82%	NA	77.7	29.90	1012.5
05:55 PM CDT	E 5.8	10.00	Mostly Cloudy	--	76.5	70.2	81%	NA	77.5	29.90	1012.5
05:35 PM CDT	E 5.8	10.00	Partly Cloudy	--	76.6	70.7	82%	NA	77.9	29.89	1012.2
05:15 PM CDT	NE 5.8	10.00	Mostly Cloudy	--	77.0	70.9	81%	NA	78.3	29.89	1012.2
04:55 PM CDT	E 6.9	10.00	Cloudy	--	76.6	70.9	82%	NA	77.9	29.90	1012.5
04:35 PM CDT	5.8	10.00	Mostly Cloudy	--	76.5	71.1	83%	NA	77.7	29.91	1012.9
04:15 PM CDT	NE 6.9	10.00	Cloudy	--	77.7	71.8	82%	NA	79.0	29.91	1012.9
03:55 PM CDT	4.7	10.00	Cloudy	--	76.1	70.3	82%	NA	77.4	29.92	1013.2
03:35 PM CDT	4.7	10.00	Cloudy	--	75.6	70.5	84%	NA	76.8	29.92	1013.2
03:15 PM CDT	5.8	10.00	Cloudy	--	74.5	70.0	86%	NA	75.7	29.92	1013.2
02:55 PM CDT	NE 5.8	10.00	Cloudy	--	75.0	70.0	84%	NA	76.1	29.92	1013.2
02:35 PM CDT	NE 4.7	10.00	Cloudy	--	74.5	69.6	85%	NA	75.6	29.92	1013.2
02:15 PM CDT		10.00	Cloudy	--	NULL		%	NA	NA		M
01:55 PM CDT	5.8	10.00	Cloudy	--	74.5	69.8	85%	NA	75.6	29.92	1013.2
01:35 PM CDT		10.00	Cloudy	--	NULL		%	NA	NA		M
01:15 PM CDT	4.7	10.00	Cloudy	--	73.6	69.3	86%	NA	74.7	29.94	1013.6
12:55 PM CDT	NE 4.7	10.00	Cloudy	--	73.4	69.1	86%	NA	74.5	29.94	1013.9
12:35 PM CDT	3.4	10.00	NULL	--	72.7	68.7	87%	NA	73.8	29.95	1014.2
12:15 PM CDT	0.0	10.00	Cloudy	--	72.1	68.5	88%	NA	73.2	29.96	1014.6