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WeatherLive › Iowa › Jefferson

Jefferson, IA Weather (50129)

ZIP codes: 50129 · 50059
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherJefferson · 5:27 AM CDT
85° | 47°
62°F
Feels like 41°
Sunny
WindNW 43 mph · Gusts 65 mph
Precip71% · 0.12 in
Humidity91% · Dew point 59°
UV index8 Very high
Air Quality18 Good
Pressure29.88 inHg
Visibility1 mi
Sunrise / Sunset6:27 AM · 8:15 PM · 13h 48m

Weather map — Jefferson

Full radar →
Now
62°
20%
43 mph
06:00
61°
14%
43 mph
07:00
61°
14%
40 mph
08:00
64°
17%
40 mph
09:00
68°
13%
38 mph
10:00
73°
9%
34 mph
11:00
79°
5%
29 mph
12:00
83°
3%
18 mph
13:00
84°
2%
11 mph
14:00
85°
3%
9 mph
15:00
48°
60%
7 mph
16:00
48°
0.04 in
9 mph
17:00
48°
0.03 in
6 mph
18:00
48°
49%
5 mph
19:00
48°
64%
8 mph
20:00
47°
40%
9 mph
21:00
48°
32%
8 mph
22:00
47°
34%
9 mph
23:00
47°
50%
13 mph
00:00
46°
0.04 in
15 mph
01:00
46°
0.02 in
16 mph
02:00
46°
0.04 in
19 mph
03:00
46°
0.04 in
18 mph
04:00
45°
0.02 in
22 mph

Today · Mon 8/17

High 85°
71% / 0.12 in

Sunny. Winds NW at 43 mph.

Overnight · Mon 8/17

Low 61°
— / –

Sunny.

Tomorrow · Tue 8/18

50° | 44°
90% / 0.38 in

Showers. Winds E at 28 mph.

7-day trend

Jefferson · temperature + precipitation

10-day forecast

Updated 5:27 AM

Details & indices

Wind
43 mph NW
Gusts 65 mph
Humidity
91%
Dew point 59°
Pressure
29.88 inHg
Falling
UV index
8 — Very high
High today
Air Quality
Good
AQI 18 · US EPA
Allergy
None detected
—
Visibility
1 mi
Reduced
Allergy — Jefferson

🌿 Conditions right now

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

Sun & moon

Sunrise6:27 AM
Sunset8:15 PM
Length of day13h 48m
Moonrise12:04 PM
Moonset10:23 PM
Moon phase🌒 Waxing Crescent · 25%
Next full moonAug 27 Sturgeon 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
Poor
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Des Moines
—
—
Data sources · Monday, August 17
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: 5:27 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 85° on Monday down to 44° overnight on Tuesday. Roughly 2.2 in of rain falls over the period, with Friday the most likely wet day (92%). Wind is the one to watch: gusts to 65 mph around Monday. The NWS alert board for this area is currently clear. Right now Jefferson is about 17° cooler than nearby 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: 5:27 AM