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Hazardous Weather Conditions

No active alerts for SUMNER, IOWA

Current Conditions: SUMNER, IOWA

Cloudy


NULL F
Last Updated on Feb 28 2026, 11:15 PM CST
Humidity: %
Wind Speed: mph
Barometer: in
Dewpoint: F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: NA
Current conditions at:

CHARLES CITY (KCCY)

Lat: 43.07 Lon: -92.61

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5 Day Forecast for SUMNER, IOWA (50674)

Saturday
Snow Likely
High 26 °F
Saturday
Night
Mostly Cloudy
Low 10 °F
Sunday
Mostly Cloudy
High 28 °F
Sunday
Night
Mostly Cloudy
Low 17 °F
Monday
Slight Chance of Rain/Snow Mix
High 39 °F
Monday
Night
Rain Likely
Low 32 °F
Tuesday
Chance of Rain
High 41 °F
Tuesday
Night
Partly Cloudy
Low 30 °F
Wednesday
Partly Sunny
High 46 °F



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Observation History for SUMNER, IOWA


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)
11:15 PM CST 10.00 Cloudy -- NULL % NA NA M
10:55 PM CST 12.8 10.00 Cloudy -- 19.4 10.4 68% 6.6 NA 30.38 1028.8
10:35 PM CST 9.2 10.00 Cloudy -- 19.4 12.2 73% 8.6 NA 30.38 1028.8
10:15 PM CST 9.2 10.00 Cloudy -- 19.4 14.0 79% 8.6 NA 30.38 1028.8
09:55 PM CST 11.4 10.00 Cloudy -- 19.4 14.0 79% 7.3 NA 30.38 1028.5
09:35 PM CST 12.8 10.00 Cloudy -- 19.4 14.0 79% 6.6 NA 30.36 1028.1
09:15 PM CST 10.3 10.00 Cloudy -- 19.4 14.0 79% 7.9 NA 30.36 1028.1
08:55 PM CST 10.3 10.00 Cloudy -- 19.4 14.0 79% 7.9 NA 30.36 1028.1
08:35 PM CST 11.4 10.00 Cloudy -- 19.4 15.8 86% 7.3 NA 30.35 1027.8
08:15 PM CST 11.4 10.00 Cloudy -- 19.4 15.8 86% 7.3 NA 30.34 1027.4
07:55 PM CST 12.8 10.00 Cloudy -- 19.4 17.6 93% 6.6 NA 30.34 1027.4
07:35 PM CST 11.4 10.00 Cloudy -- 19.4 17.6 93% 7.3 NA 30.33 1027.1
07:15 PM CST 11.4 10.00 Cloudy -- 19.4 17.6 93% 7.3 NA 30.32 1026.8
06:55 PM CST 12.8 10.00 Cloudy -- 19.4 17.6 93% 6.6 NA 30.32 1026.8
06:35 PM CST 15.0 10.00 Cloudy -- 19.4 15.8 86% 5.5 NA 30.31 1026.4
06:15 PM CST 10.00 Cloudy -- NULL % NA NA M
05:55 PM CST 15.0 10.00 Cloudy -- 19.4 17.6 93% 5.5 NA 30.29 1025.7
05:35 PM CST 12.8 10.00 Cloudy -- 21.2 17.6 86% 8.8 NA 30.28 1025.4
05:15 PM CST 10.00 Cloudy -- NULL % NA NA M
04:55 PM CST 10.00 Cloudy -- 21.2 17.6 86% NA NA 30.27 1025.1
04:35 PM CST 11.4 10.00 Cloudy -- 21.2 17.6 86% 9.5 NA 30.26 1024.7
04:15 PM CST 10.3 10.00 Cloudy -- 21.2 17.6 86% 10.2 NA 30.26 1024.7
03:55 PM CST 10.3 10.00 Cloudy -- 21.2 17.6 86% 10.2 NA 30.26 1024.7
03:35 PM CST 11.4 10.00 Cloudy -- 21.2 17.6 86% 9.5 NA 30.26 1024.7

Regional Weather Observation

CHARLES CITY (KCCY)

Cloudy
NULL F

WATERLOO (KALO)

Cloudy
21.2 F

PRESTON (KFKA)

Cloudy
17.6 F

DECORAH (KDEH)

Cloudy
NULL F

OELWEN (KOLZ)

Cloudy
21.2 F

AUSTIN MUNI (KAUM)

Cloudy
15.6 F

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