Marion County, IA Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Marion County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 65. Southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
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
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:49 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion County
Monday looks like the warmest upcoming period in Marion County at 82 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Monday at about 14 to 22 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:49 PM CDT
- Coverage
- 5 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 chance of showers and thunderstorms 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 59. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
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 63. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
Showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
A chance of rain showers. Partly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Showers And Thunderstorms Likely
|
65°F |
8 to 14 mph
SE
|
|
Saturday Night
Apr 11
|
Chance Showers And Thunderstorms
|
59°F |
14 mph
S
|
|
Sunday
Apr 12
|
Showers And Thunderstorms Likely
|
73°F |
14 to 21 mph
SSW
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
63°F |
15 to 20 mph
SSW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
82°F |
14 to 22 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
62°F |
15 to 20 mph
SSW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
77°F |
13 to 17 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
49°F |
14 mph
SW
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
66°F |
14 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
44°F |
7 to 12 mph
WSW
|
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.
