Decatur County, IA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Decatur County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 81. East wind 7 to 12 mph, with gusts as high as 18 mph.
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
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 8:23 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur County
Thursday looks like the warmest upcoming period in Decatur County at 86 degrees F.
Tonight is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Thursday at about 7 to 13 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 8:23 AM 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
Partly cloudy. Low around 57, with temperatures rising to around 59 overnight. East southeast wind 7 to 10 mph.
Sunny, with a high near 81. South southeast wind 7 to 12 mph, with gusts as high as 18 mph.
Partly cloudy, with a low around 59. South wind 7 to 12 mph, with gusts as high as 18 mph.
Mostly sunny, with a high near 86. South wind 7 to 13 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. 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 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 2
|
Mostly Sunny
|
81°F |
7 to 12 mph
E
|
|
Tonight
Jun 2
|
Partly Cloudy
|
57°F |
7 to 10 mph
ESE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
7 to 12 mph
SSE
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
59°F |
7 to 12 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
86°F |
7 to 13 mph
S
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
65°F |
8 to 12 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
85°F |
12 mph
SSW
|
|
Friday Night
Jun 5
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
7 to 10 mph
S
|
|
Saturday
Jun 6
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
86°F |
9 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
66°F |
8 mph
S
|
|
Sunday
Jun 7
|
Showers And Thunderstorms Likely
|
85°F |
6 to 10 mph
SSE
|
|
Sunday Night
Jun 7
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
67°F |
6 to 9 mph
SE
|
|
Monday
Jun 8
|
Chance Showers And Thunderstorms
|
86°F |
7 to 10 mph
SE
|
|
Monday Night
Jun 8
|
Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
ESE
|
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.
