Winnebago County, IA Weather Forecast
County weather hub
Slight Chance Showers And Thunderstorms
Compare major city weather across Winnebago County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 3am. Mostly cloudy. Low around 58, with temperatures rising to around 62 overnight. East southeast wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Winnebago 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 Winnebago County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 2:21 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago County
Saturday looks like the warmest upcoming period in Winnebago County at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Overnight at about 15 mph ESE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 2:21 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KMPX
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 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy. Low around 58, with temperatures rising to around 62 overnight. East southeast wind 7 to 12 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 10am. Partly sunny, with a high near 81. East southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 55. East wind around 8 mph.
Sunny, with a high near 80.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 81.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 31
|
Slight Chance Showers And Thunderstorms
|
58°F |
15 mph
ESE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
77°F |
12 to 15 mph
SE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
58°F |
7 to 12 mph
ESE
|
|
Monday
Jun 1
|
Chance Showers And Thunderstorms then Partly Sunny
|
81°F |
7 mph
ESE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
55°F |
8 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
80°F |
8 to 12 mph
SE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
55°F |
10 mph
SE
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
81°F |
10 to 15 mph
S
|
|
Wednesday Night
Jun 3
|
Slight Chance Showers And Thunderstorms
|
59°F |
12 to 15 mph
S
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
81°F |
15 mph
SSW
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely
|
59°F |
10 to 14 mph
SSW
|
|
Friday
Jun 5
|
Showers And Thunderstorms Likely
|
82°F |
9 to 13 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
60°F |
8 to 12 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
84°F |
9 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Winnebago County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Winnebago County.
Largest mapped city population in this region: 4,025.
