Marion County, IA Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Marion County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog. Partly cloudy, with a low around 67. North wind around 2 mph.
County Weather Overview
This county weather page brings together forecast coverage for Marion County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Marion County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 4:53 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion County
Wednesday looks like the warmest upcoming period in Marion County at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday Night at about 3 to 9 mph E.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 4:53 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
Patchy fog before 9am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. North northeast wind around 5 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. North northeast wind around 6 mph. Chance of precipitation is 20%.
Sunny, with a high near 88. East northeast wind 3 to 8 mph.
Mostly clear, with a low around 66. East wind 3 to 9 mph.
Sunny, with a high near 88.
Clear, with a low around 67.
Sunny, with a high near 90.
Clear, with a low around 68.
Sunny, with a high near 92.
Clear, with a low around 70.
Sunny, with a high near 94.
Mostly clear, with a low around 71.
Sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Patchy Fog
|
67°F |
2 mph
N
|
|
Friday
Jul 10
|
Patchy Fog then Chance Showers And Thunderstorms
|
87°F |
5 mph
NNE
|
|
Friday Night
Jul 10
|
Slight Chance Rain Showers then Mostly Cloudy
|
67°F |
6 mph
NNE
|
|
Saturday
Jul 11
|
Sunny
|
88°F |
3 to 8 mph
ENE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
66°F |
3 to 9 mph
E
|
|
Sunday
Jul 12
|
Sunny
|
88°F |
3 to 7 mph
E
|
|
Sunday Night
Jul 12
|
Clear
|
67°F |
3 to 8 mph
ESE
|
|
Monday
Jul 13
|
Sunny
|
90°F |
2 to 8 mph
SE
|
|
Monday Night
Jul 13
|
Clear
|
68°F |
3 to 8 mph
SSE
|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
2 to 6 mph
SSE
|
|
Tuesday Night
Jul 14
|
Clear
|
70°F |
6 mph
SSE
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
6 mph
SW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
7 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
94°F |
5 to 9 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Marion County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Marion County.
Largest mapped city population in this region: 820,445.
