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Hazardous Weather Conditions

No active alerts for SHANNON, ILLINOIS

Current Conditions: SHANNON, ILLINOIS

Cloudy


24.4 F
Last Updated on Feb 28 2026, 10:55 PM CST
Humidity: 74%
Wind Speed: 11.4 mph
Barometer: 30.35 in
Dewpoint: 17.4 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 13.6 F
Current conditions at:

SAVANNA/TRITOWN (KSFY)

Lat: 42.05 Lon: -90.11

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5 Day Forecast for SHANNON, ILLINOIS (61078)

Saturday
Chance of Snow
High 32 °F
Saturday
Night
Mostly Cloudy
Low 17 °F
Sunday
Mostly Cloudy
High 35 °F
Sunday
Night
Mostly Cloudy
Low 21 °F
Monday
Slight Chance of Rain
High 44 °F
Monday
Night
Rain Likely
Low 32 °F
Tuesday
Rain Likely
High 46 °F
Tuesday
Night
Mostly Cloudy
Low 32 °F
Wednesday
Slight Chance of Rain
High 53 °F



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Observation History for SHANNON, 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)
10:55 PM CST 11.4 10.00 Cloudy -- 24.4 17.4 74% 13.6 NA 30.35 1027.8
10:35 PM CST 11.4 10.00 Cloudy -- 24.6 18.0 75% 13.8 NA 30.35 1027.8
10:15 PM CST 9.2 10.00 Cloudy -- 24.6 18.1 76% 15.1 NA 30.35 1027.8
09:55 PM CST 10.3 10.00 Mostly Cloudy -- 24.3 18.3 78% 14.0 NA 30.34 1027.4
09:35 PM CST 6.9 10.00 Partly Cloudy -- 24.6 18.1 76% 16.7 NA 30.34 1027.4
09:15 PM CST 9.2 10.00 Mostly Cloudy -- 25.3 18.1 74% 16.0 NA 30.33 1027.1
08:55 PM CST 9.2 10.00 Cloudy -- 26.2 18.1 71% 17.1 NA 30.32 1026.8
08:35 PM CST 8.1 10.00 Cloudy -- 26.6 18.1 70% 18.3 NA 30.31 1026.4
08:15 PM CST 5.8 10.00 Cloudy -- 26.4 17.6 69% 19.8 NA 30.30 1026.1
07:55 PM CST 8.1 10.00 Cloudy -- 26.6 17.6 68% 18.3 NA 30.28 1025.4
07:35 PM CST 8.1 10.00 Cloudy -- 26.6 17.2 67% 18.3 NA 30.29 1025.7
07:15 PM CST NE 9.2 10.00 Cloudy -- 27.1 16.7 64% 18.1 NA 30.28 1025.4
06:55 PM CST 12.8 10.00 Cloudy -- 27.1 16.5 64% 16.3 NA 30.28 1025.4
06:35 PM CST NE 11.4 G 16.1 10.00 Cloudy -- 27.3 16.5 63% 17.2 NA 30.27 1025.1
06:15 PM CST 10.3 G 18.3 10.00 Cloudy -- 27.5 15.6 61% 18.0 NA 30.26 1024.7
05:55 PM CST NE 10.3 G 18.3 10.00 Mostly Cloudy -- 27.9 14.7 57% 18.5 NA 30.26 1024.7
05:35 PM CST NE 15.0 10.00 Clear -- 28.4 14.0 54% 17.1 NA 30.25 1024.4
05:15 PM CST NE 17.2 G 21.9 10.00 Clear -- 29.5 13.5 51% 17.6 NA 30.25 1024.4
04:55 PM CST 15.0 G 19.7 10.00 Partly Cloudy -- 30.0 13.6 50% 19.0 NA 30.25 1024.1
04:35 PM CST NE 12.8 G 20.8 10.00 Mostly Cloudy -- 30.2 14.2 51% 20.1 NA 30.23 1023.7
04:15 PM CST 18.3 10.00 Cloudy -- 31.3 14.9 50% 19.6 NA 30.23 1023.7
03:55 PM CST G 25.3 10.00 Cloudy -- 31.6 16.7 54% NA NA 30.22 1023.4
03:35 PM CST 17.2 G 20.8 10.00 Cloudy -- 32.0 17.8 55% 20.8 NA 30.22 1023.4
11:55 AM CST NE 11.4 10.00 Mostly Cloudy -- 36.5 17.1 45% 28.8 NA 30.18 1022.0

Regional Weather Observation

SAVANNA/TRITOWN (KSFY)

Cloudy
24.4 F

FREEPORT (KFEP)

Cloudy
23.9 F

MONROE (KEFT)

Partly Cloudy
19.8 F

PLATTEVILLE (KPVB)

Cloudy
21.7 F

(KMRJ)


F

DUBUQUE (KDBQ)

Mostly Cloudy
19.4 F

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