Polk County, IA Weather Forecast
County weather hub
Sunny then Chance Rain Showers
Compare major city weather across Polk County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers after 1pm. Sunny, with a high near 78. North wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Polk County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 14 of 14 mapped cities in Polk County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 11:11 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Polk County
Tuesday looks like the warmest upcoming period in Polk County at 78 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 16 to 22 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 11:11 PM CDT
- Coverage
- 6 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 rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. North northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 1pm. Partly sunny, with a high near 69. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 37.
Sunny, with a high near 57.
Mostly clear, with a low around 41.
Sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny then Chance Rain Showers
|
78°F |
5 mph
N
|
|
Tuesday Night
Oct 13
|
Showers And Thunderstorms Likely
|
58°F |
7 mph
NNE
|
|
Wednesday
Oct 14
|
Rain Showers Likely
|
69°F |
9 mph
NNE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
56°F |
8 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
65°F |
9 mph
ENE
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
49°F |
8 to 17 mph
NNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
57°F |
16 to 22 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
37°F |
3 to 13 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
57°F |
2 to 6 mph
W
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
41°F |
5 to 9 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
9 to 14 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Polk County.
Coverage
Forecast coverage currently spans 14 of 14 mapped cities in Polk County.
Largest mapped city population in this region: 212,312.
