Jefferson, IA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, IA in one place.
A chance of showers and thunderstorms. Cloudy. High near 76, with temperatures falling to around 74 in the afternoon. Southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Jefferson, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 4:39 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Jefferson, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 4:39 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Friday looks like the warmest upcoming period in Jefferson at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for This Afternoon at about 15 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 4:39 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 60, with temperatures rising to around 64 overnight. Southeast wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southeast wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and thunderstorms likely between midnight and 3am, then a chance of showers and thunderstorms between 3am and 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 59, with temperatures rising to around 63 overnight. East southeast wind 2 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 83. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 84.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Chance Showers And Thunderstorms
|
76°F |
15 mph
SE
|
|
Tonight
May 30
|
Chance Showers And Thunderstorms
|
60°F |
10 to 15 mph
SE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
80°F |
13 mph
SE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
59°F |
2 to 10 mph
ESE
|
|
Monday
Jun 1
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
83°F |
5 mph
NE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
58°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
82°F |
5 to 9 mph
ESE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
55°F |
5 to 9 mph
SE
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
84°F |
5 to 12 mph
SSE
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
59°F |
10 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
83°F |
8 to 13 mph
S
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
60°F |
10 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
85°F |
9 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
60°F |
3 to 8 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.
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