New York, NY 71° Los Angeles, CA 60° Chicago, IL 73° Houston, TX 79° Miami, FL 79° Phoenix, AZ 75° Seattle, WA 55° Denver, CO 70° Toronto, ON 67° Vancouver, BC 56°
WeatherLiveIowaJefferson

Jefferson, IA Weather (50129)

ZIP codes: 50129 · 50059
Current WeatherJefferson · 8:01 AM CDT
103° | 70°
72°F
Feels like 76°
Fog
WindS 7 mph · Gusts 11 mph
Precip7% · –
Humidity97% · Dew point 71°
UV index8 High
Air Quality21 Good
Pressure29.88 inHg
Visibility6 mi
Sunrise / Sunset6:43 AM · 7:51 PM · 13h 8m

Weather map — Jefferson

Full radar →
Now
72°
34%
7 mph
09:00
77°
23%
6 mph
10:00
81°
26%
6 mph
11:00
85°
20%
7 mph
12:00
89°
10%
9 mph
13:00
95°
9%
10 mph
14:00
99°
9%
12 mph
15:00
101°
5%
12 mph
16:00
102°
3%
13 mph
17:00
103°
0%
14 mph
18:00
102°
1%
14 mph
19:00
101°
2%
12 mph
20:00
95°
2%
9 mph
21:00
92°
0%
9 mph
22:00
90°
0%
10 mph
23:00
88°
9%
11 mph
00:00
90°
9%
15 mph
01:00
92°
9%
16 mph
02:00
90°
1%
15 mph
03:00
88°
1%
14 mph
04:00
86°
2%
12 mph
05:00
78°
17%
9 mph
06:00
71°
11%
4 mph
07:00
72°
5%
3 mph

Today · Tue 9/1

High 103°
7% / –

Mostly cloudy. Winds S at 14 mph.

Tonight · Tue 9/1

Low 71°
0% / –

Sunny. Winds S at 9 mph.

Tomorrow · Wed 9/2

101° | 71°
17% / 0.01 in

Sunny. Winds S at 16 mph.

7-day trend

Jefferson · temperature + precipitation

10-day forecast

Updated 8:01 AM

Details & indices

Wind
7 mph S
Gusts 11 mph
Humidity
97%
Dew point 71°
Pressure
29.88 inHg
Falling
UV index
8 — High
High today
Air Quality
Good
AQI 21 · US EPA
Allergy
None detected
Visibility
6 mi
Clear view
Allergy — Jefferson

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:43 AM
Sunset7:51 PM
Length of day13h 8m
Moonrise9:44 PM
Moonset11:44 AM
Next full moonSep 26 Harvest Moon
Latitude42.0153°N
Longitude-94.3775°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Des Moines
Mostly cloudy
71°
Data sources · Tuesday, September 1
Where the Jefferson forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.0153°N, -94.3775°.
NBM + global weather models
Updated: 8:01 AM
ZIP codes in Jefferson
📮
50050
Jefferson
📮
50059
Jefferson
📮
50064
Jefferson
📮
50107
Jefferson
📮
50129
Jefferson
📮
50217
Jefferson
📮
51462
Jefferson
Weather in Jefferson
The 10-day span for Jefferson runs from a high near 111° on Tuesday down to 66° overnight on Sunday. Roughly 0.51 in of rain falls over the period, with Saturday the most likely wet day (71%). Wind is the one to watch: gusts to 42 mph around Wednesday. Heads up: 3 NWS alerts are active right now, including a Heat Advisory — details on the alerts tab. Right now Jefferson is running about 6° warmer than Sioux Falls. Longer view: continental plains — big swings and a spring severe-storm season.
Jefferson, IA · Elev 1,066 ft · 42.02°N, 94.38°W · Iowa · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:01 AM