Polk County, IA Weather Forecast
County weather hub
Chance Showers And Thunderstorms
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 showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
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
- May 15 to May 17, 2026
- Latest sync
- May 11, 2026 3:09 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Polk County
Friday looks like the warmest upcoming period in Polk County at 84 degrees F.
Friday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Friday at about 13 to 16 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 11, 2026 3:09 PM CDT
- Coverage
- 3 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. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
A chance of rain showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 15
|
Chance Showers And Thunderstorms
|
84°F |
13 to 16 mph
SSW
|
|
Friday Night
May 15
|
Chance Showers And Thunderstorms
|
61°F |
6 to 12 mph
SW
|
|
Saturday
May 16
|
Slight Chance Showers And Thunderstorms
|
83°F |
6 to 12 mph
SSW
|
|
Saturday Night
May 16
|
Chance Rain Showers
|
62°F |
10 mph
S
|
|
Sunday
May 17
|
Chance Rain Showers
|
84°F |
9 to 16 mph
SW
|
|
Sunday Night
May 17
|
Chance Showers And Thunderstorms
|
62°F |
8 to 13 mph
WSW
|
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.
