Decatur City, IA Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Decatur City, IA in one place.
Partly cloudy, with a low around 71. Southwest wind around 3 mph.
Local Weather Overview
This forecast page for Decatur City, 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: Jul 17, 2026 6:39 AM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Decatur City, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 6:39 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur City
Monday looks like the warmest upcoming period in Decatur City at 98 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 14 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 6:39 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
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 3 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Sunny, with a high near 94. Heat index values as high as 100. West wind around 7 mph.
Mostly clear, with a low around 70. North northeast wind around 6 mph.
Sunny, with a high near 93.
Mostly clear, with a low around 73.
Sunny, with a high near 98.
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 17
|
Partly Cloudy
|
71°F |
3 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
3 to 9 mph
SW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
5 to 9 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
94°F |
7 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
70°F |
6 mph
NNE
|
|
Sunday
Jul 19
|
Sunny
|
93°F |
5 mph
E
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
6 mph
SSE
|
|
Monday
Jul 20
|
Sunny
|
98°F |
6 to 12 mph
SSW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
74°F |
6 to 10 mph
WSW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
90°F |
7 to 14 mph
N
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
65°F |
5 to 14 mph
N
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
85°F |
5 to 8 mph
NE
|
|
Wednesday Night
Jul 22
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
64°F |
3 to 8 mph
E
|
|
Thursday
Jul 23
|
Slight Chance Showers And Thunderstorms
|
84°F |
3 to 8 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Decatur City.