Decatur County, IA Weather Forecast
County weather hub
Sunny
Compare major city weather across Decatur County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 93.
County Weather Overview
This county weather page brings together forecast coverage for Decatur 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 Decatur County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 17, 2026
- Latest sync
- Jul 11, 2026 12:54 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur County
Friday looks like the warmest upcoming period in Decatur County at 93 degrees F.
Friday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Friday at about 6 to 13 mph SSW.
The forecast from Jul 17 through Jul 17 stays mostly dry.
Forecast Details
- Last updated
- Jul 11, 2026 12:54 PM CDT
- Coverage
- 1 day
- 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
Mostly clear, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny
|
93°F |
6 to 13 mph
SSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
12 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Decatur County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Decatur County.
Largest mapped city population in this region: 2,196.
