Jefferson, IA Current Weather Conditions

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

Current Conditions — Jefferson, IA

CARROLL (KCIN)

Clear

66.2 F

Humidity:94%
Wind Speed:SE 9.2 mph
Barometer:29.77 in
Dewpoint:64.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 17 2026, 12:15 AM CDT
Severe Weather Alerts
Severe Weather
Tornado, flood & storm warnings
Observation Alert Monitoring
Observations
Station conditions & threshold alerts
Daily Weather Forecast
Daily Forecast
Morning summary delivered daily
Lightning Detection Alerts
Lightning
Real-time strike alerts

State Weather Snapshot — Iowa

Radar — Iowa

Loading radar…

Hourly Observation History — Jefferson, IA

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)
12:15 AM CDT SE 9.2 10.00 Clear -- 66.2 64.4 94% NA NA 29.77 1008.1
11:55 PM CDT 10.3 10.00 Clear -- 68.0 64.4 88% NA NA 29.76 1007.8
11:35 PM CDT 10.3 10.00 Clear -- 68.0 64.4 88% NA NA 29.74 1007.1
11:15 PM CDT 12.8 10.00 Mostly Clear -- 69.8 64.4 83% NA NA 29.73 1006.8
10:55 PM CDT E 13.9 10.00 Mostly Cloudy -- 69.8 60.8 73% NA NA 29.74 1007.1
10:35 PM CDT E 10.3 10.00 NULL -- 69.8 55.4 60% NA NA 29.75 1007.5
09:55 PM CDT E 17.2 10.00 Mostly Cloudy -- 71.6 % NA NA 29.74 1007.1
09:35 PM CDT E 17.2 G 25.3 10.00 Mostly Cloudy -- 73.4 % NA NA 29.76 1007.8
09:15 PM CDT 18.3 G 27.7 10.00 Cloudy -- 73.4 % NA NA 29.73 1006.8
08:55 PM CDT 16.1 10.00 Cloudy -- 73.4 % NA NA 29.74 1007.1
08:35 PM CDT NE 15.0 10.00 Cloudy -- 73.4 51.8 47% NA 72.7 29.75 1007.5
08:15 PM CDT G 23.0 10.00 Cloudy -- NULL % NA NA M
07:55 PM CDT 16.1 10.00 Mostly Cloudy -- 75.2 51.8 44% NA 74.5 29.75 1007.5
07:35 PM CDT 18.3 G 25.3 10.00 Mostly Cloudy -- 75.2 % NA NA 29.73 1006.8
07:15 PM CDT 17.2 10.00 Cloudy -- 75.2 53.6 47% NA 74.7 29.76 1007.8
06:55 PM CDT 16.1 G 24.2 10.00 Mostly Cloudy -- 77.0 53.6 44% NA 76.5 29.75 1007.5
06:35 PM CDT NE 15.0 10.00 Mostly Cloudy -- 77.0 53.6 44% NA 76.5 29.75 1007.5
06:15 PM CDT 18.3 10.00 Cloudy -- 77.0 55.4 47% NA 76.6 29.76 1007.8
05:55 PM CDT 17.2 G 25.3 10.00 Mostly Cloudy -- 77.0 55.4 47% NA 76.6 29.76 1007.8
05:35 PM CDT 10.00 Mostly Clear -- 78.8 57.2 48% NA 78.6 29.75 1007.5
05:15 PM CDT 20.8 10.00 Mostly Cloudy and Windy -- 78.8 57.2 48% NA 78.6 29.76 1007.8
04:35 PM CDT 17.2 10.00 Mostly Cloudy -- 78.8 57.2 48% NA 78.6 29.78 1008.5
04:15 PM CDT 16.1 G 25.3 10.00 Clear -- 78.8 59.0 51% NA 78.8 29.79 1008.8
03:55 PM CDT E 16.1 G 24.2 10.00 Clear -- 80.6 59.0 48% NA 81.1 29.79 1008.8

Nearby Weather Stations

🔔    Get instant severe weather alerts for Jefferson, IA — Subscribe to receive notifications by email, SMS, or voice call.