Jefferson County, IA Weather Forecast
County weather hub
Sunny
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 84. Southeast wind 5 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Jefferson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Jefferson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 3 to Jun 9, 2026
- Latest sync
- Jun 3, 2026 1:32 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Sunday looks like the warmest upcoming period in Jefferson County at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 3, 2026 1:32 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 58. South wind 5 to 10 mph.
Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.
A slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
5 to 10 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
58°F |
5 to 10 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
89°F |
10 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
64°F |
10 to 15 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
86°F |
10 to 15 mph
S
|
|
Friday Night
Jun 5
|
Showers And Thunderstorms Likely
|
64°F |
10 to 15 mph
SW
|
|
Saturday
Jun 6
|
Showers And Thunderstorms Likely
|
89°F |
5 to 10 mph
W
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
63°F |
5 mph
NE
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
E
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
E
|
|
Monday
Jun 8
|
Chance Showers And Thunderstorms
|
90°F |
10 mph
E
|
|
Monday Night
Jun 8
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SE
|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Jefferson County.
Largest mapped city population in this region: 10,500.
