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Hazardous Weather Conditions

No active alerts for HARRISBURG, ILLINOIS

Current Conditions: HARRISBURG, ILLINOIS

Mostly Cloudy


57.6 F
Last Updated on Feb 28 2026, 09:35 PM CST
Humidity: 51%
Wind Speed: 0.0 mph
Barometer: 30.03 in
Dewpoint: 39.4 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: NA
Current conditions at:

HARRISBURG (KHSB)

Lat: 37.81 Lon: -88.55

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5 Day Forecast for HARRISBURG, ILLINOIS (62946)

Saturday
Forecast Missing
High 69 °F
Saturday
Night
Forecast Missing
Low 37 °F
Sunday
Forecast Missing
High 51 °F
Sunday
Night
Forecast Missing
Low 37 °F
Monday
Forecast Missing
High 46 °F
Monday
Night
Forecast Missing
Low 39 °F
Tuesday
Forecast Missing
High 60 °F
Tuesday
Night
Forecast Missing
Low 48 °F
Wednesday
Forecast Missing
High 68 °F



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Observation History for HARRISBURG, 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)
09:35 PM CST 0.0 10.00 Mostly Cloudy -- 57.6 39.4 51% NA NA 30.03 1016.9
09:15 PM CST 0.0 10.00 Cloudy -- 58.5 37.9 46% NA NA 30.02 1016.6
08:55 PM CST 0.0 10.00 Cloudy -- 59.9 37.4 43% NA NA 30.02 1016.6
08:35 PM CST 0.0 10.00 Cloudy -- 61.3 36.9 40% NA NA 30.01 1016.3
08:15 PM CST 0.0 10.00 Cloudy -- 63.0 36.5 37% NA NA 30.01 1016.3
07:55 PM CST S 4.7 10.00 Cloudy -- 61.0 37.9 42% NA NA 30.01 1016.3
07:35 PM CST SW 3.4 10.00 Cloudy -- 62.1 36.7 39% NA NA 30.02 1016.6
07:15 PM CST S 5.8 10.00 Cloudy -- 58.3 40.1 51% NA NA 30.02 1016.6
06:55 PM CST S 5.8 10.00 Cloudy -- 59.2 39.6 48% NA NA 30.02 1016.6
06:35 PM CST 0.0 10.00 Cloudy -- 57.9 40.3 52% NA NA 30.03 1016.9
06:15 PM CST 0.0 10.00 Cloudy -- 59.0 39.7 49% NA NA 30.03 1016.9
05:55 PM CST 0.0 10.00 Cloudy -- 60.4 41.4 49% NA NA 30.02 1016.6
05:35 PM CST 0.0 10.00 Cloudy -- 62.2 41.2 46% NA NA 30.01 1016.3
05:15 PM CST 0.0 10.00 Cloudy -- 65.3 35.8 33% NA NA 30.00 1015.9
04:55 PM CST 0.0 10.00 NULL -- 66.2 35.4 32% NA NA 30.00 1015.9
04:35 PM CST 0.0 10.00 Mostly Cloudy -- 66.4 33.4 29% NA NA 30.00 1015.9
04:15 PM CST 0.0 10.00 Cloudy -- 66.4 32.0 28% NA NA 29.99 1015.6
03:55 PM CST SE 3.4 10.00 Cloudy -- 66.9 35.1 31% NA NA 29.98 1015.2
03:35 PM CST 4.7 10.00 Cloudy -- 67.1 31.6 27% NA NA 30.00 1015.9
11:55 AM CST 4.7 10.00 Clear -- 65.5 28.4 25% NA NA 30.05 1017.6
11:35 AM CST 5.8 10.00 Partly Cloudy -- 64.8 30.2 27% NA NA 30.06 1018.0
11:15 AM CST SE 3.4 10.00 Clear -- 63.3 31.5 30% NA NA 30.07 1018.3
10:55 AM CST E 3.4 10.00 Clear -- 61.7 31.8 32% NA NA 30.07 1018.3
10:35 AM CST 3.4 10.00 Clear -- 60.3 32.0 34% NA NA 30.08 1018.6

Regional Weather Observation

HARRISBURG (KHSB)

Mostly Cloudy
57.6 F

MARION REGIONAL (KMWA)

Cloudy
56.5 F

MOUNT VERNON (KMVN)

Cloudy
55.4 F

CARBONDALE/MURPH (KMDH)

Cloudy
60.8 F

FAIRFIELD (KFWC)

Cloudy
55.4 F

(K5M9)


F

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