Winnebago County, IA Weather Forecast
County weather hub
Chance Rain Showers then Mostly Cloudy
Compare major city weather across Winnebago County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 10am. Mostly cloudy, with a high near 51. North northwest wind 15 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 40%. 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
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:49 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago County
Wednesday looks like the warmest upcoming period in Winnebago County at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Friday at about 15 to 28 mph NNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 5:49 AM CDT
- Coverage
- 6 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
Widespread frost after midnight. Mostly clear, with a low around 29. West northwest wind 1 to 12 mph, with gusts as high as 21 mph.
Widespread frost before 9am. Sunny, with a high near 57.
Clear, with a low around 39.
Sunny, with a high near 64.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 43.
Sunny, with a high near 69.
Mostly clear, with a low around 48.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Chance Rain Showers then Mostly Cloudy
|
51°F |
15 to 28 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
29°F |
1 to 12 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
3 to 18 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
14 to 17 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
15 to 20 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
3 to 12 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
68°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
2 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
69°F |
2 to 10 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
8 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
71°F |
9 to 15 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.
