Jefferson, IA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Jefferson, IA.

0 Active Alerts for Jefferson

✅
No active weather alerts for Jefferson at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Jefferson, IA

CARROLL (KCIN)

Cloudy

64.4 F
Humidity:77%
Wind Speed: 15.0 G 20.8 mph
Barometer:29.70 in
Dewpoint:57.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 26 2026, 09:55 PM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Jefferson, IA

Sunday

High 69 °F
T-storms
Sunday
Night
Low 57 °F
T-storms
Monday

High 69 °F
T-storms
Monday
Night
Low 39 °F
Overcast
Tuesday

High 59 °F
Mostly Cloudy
Tuesday
Night
Low 39 °F
Mostly Cloudy
Wednesday

High 62 °F
Partly Sunny
Wednesday
Night
Low 39 °F
Partly Cloudy
Thursday

High 64 °F
Isolated T-storm

Detailed Forecast — Jefferson, IA

Sunday
Thunderstorms. High near 69°F. Wind around 13 mph, with gusts as high as 21 mph.
Sunday Night
Thunderstorms. Low around 57°F. Wind 12 to 14 mph, with gusts as high as 21 mph.
Monday
Thunderstorms. High near 69°F. Wind 12 to 20 mph, with gusts as high as 32 mph.
Monday Night
Overcast. Low around 39°F. Wind 14 to 20 mph, with gusts as high as 31 mph.
Tuesday
Mostly Cloudy. High near 59°F. Wind 7 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly Cloudy. Low around 39°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Wednesday
Partly Sunny. High near 62°F. Wind 5 to 9 mph, with gusts as high as 14 mph.
Wednesday Night
Partly Cloudy. Low around 39°F. Wind around 2 mph, with gusts as high as 3 mph.
Thursday
Isolated T-storm. High near 64°F. Wind 8 to 9 mph, with gusts as high as 13 mph.
Thursday Night
Partly Cloudy. Low around 39°F. Wind around 2 mph, with gusts as high as 3 mph.
Friday
Partly Sunny. High near 64°F. Wind 5 to 7 mph, with gusts as high as 10 mph.
Friday Night
Mostly Clear. Low around 39°F. Wind around 2 mph, with gusts as high as 3 mph.
Saturday
Mostly Sunny. High near 71°F. Wind around 6 mph, with gusts as high as 9 mph.
Saturday Night
Mostly Clear. Low around 44°F. Wind around 3 mph, with gusts as high as 6 mph.
IA Radar
Current Radar • IA
Day 1 Outlook • April 27, 2026

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)
09:55 PM CDT 15.0 G 20.8 10.00 Cloudy -- 64.4 57.2 77% NA NA 29.70 1005.8
09:35 PM CDT 17.2 10.00 Cloudy -- 64.4 57.2 77% NA NA 29.71 1006.1
09:15 PM CDT SE 13.9 G 19.7 10.00 Cloudy -- 64.4 57.2 77% NA NA 29.70 1005.8
08:55 PM CDT 15.0 10.00 Cloudy -- 66.2 57.2 73% NA NA 29.70 1005.8
08:35 PM CDT SE 15.0 10.00 NULL -- 66.2 57.2 73% NA NA 29.70 1005.8
08:15 PM CDT SE 16.1 G 23.0 10.00 Cloudy -- 68.0 57.2 68% NA NA 29.70 1005.8
07:55 PM CDT 10.00 Cloudy -- 68.0 57.2 68% NA NA 29.70 1005.8
07:35 PM CDT SE 17.2 G 24.2 10.00 Cloudy -- 68.0 57.2 68% NA NA 29.70 1005.8
07:15 PM CDT SE 18.3 G 25.3 10.00 Cloudy -- 68.0 57.2 68% NA NA 29.70 1005.8
06:55 PM CDT 19.7 G 27.7 10.00 Cloudy and Windy -- 68.0 57.2 68% NA NA 29.70 1005.8
06:35 PM CDT 10.00 Cloudy -- 68.0 57.2 68% NA NA 29.70 1005.8
06:15 PM CDT 10.00 Mostly Cloudy -- 68.0 57.2 68% NA NA 29.71 1006.1
05:55 PM CDT 17.2 10.00 Partly Cloudy -- 68.0 57.2 68% NA NA 29.72 1006.4
05:35 PM CDT 16.1 NULL Clear -- 66.2 59.0 78% NA NA 29.73 1006.8
05:15 PM CDT 19.7 8.00 Partly Cloudy and Windy -- 64.4 59.0 83% NA NA 29.73 1006.8
04:55 PM CDT 17.2 G 26.4 10.00 Mostly Clear -- 68.0 55.4 64% NA NA 29.75 1007.5
04:35 PM CDT 18.3 G 24.2 10.00 Clear -- 68.0 57.2 68% NA NA 29.76 1007.8
04:15 PM CDT 17.2 G 24.2 10.00 Mostly Clear -- 68.0 57.2 68% NA NA 29.77 1008.1
03:55 PM CDT SE 15.0 G 23.0 10.00 Mostly Clear -- 68.0 57.2 68% NA NA 29.78 1008.5
03:35 PM CDT G 25.3 10.00 Clear -- 68.0 55.4 64% NA NA 29.81 1009.2
03:15 PM CDT 10.00 Clear -- 69.8 55.4 60% NA NA 29.81 1009.2
02:55 PM CDT SE 20.8 G 28.9 10.00 Clear and Windy -- 69.8 55.4 60% NA NA 29.81 1009.2
02:35 PM CDT SE 19.7 10.00 Clear and Windy -- 71.6 57.2 60% NA 71.2 29.81 1009.2
02:15 PM CDT 18.3 G 25.3 10.00 Clear -- 69.8 57.2 64% NA NA 29.81 1009.5

Regional Weather Observation

CARROLL (KCIN)

Cloudy
64.4 F

FORT DODGE (KFOD)

Cloudy
64.9 F

PERRY MUNI (KPRO)

Mostly Cloudy
64.8 F

AUDUBON (KADU)

NULL
62.6 F

STORM LAKE (KSLB)

Cloudy
62.6 F

BOONE MUNI (KBNW)

Cloudy
64.4 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe