Dallas County, IA Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Dallas 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 cloudy, with a high near 84. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Dallas County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 7 of 7 mapped cities in Dallas County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 13, 2026
- Latest sync
- Jul 7, 2026 4:20 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dallas County
Monday looks like the warmest upcoming period in Dallas County at 93 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 7 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 7, 2026 4:20 AM CDT
- Coverage
- 4 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. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 87.
Partly cloudy, with a low around 66.
Sunny, with a high near 90.
Mostly clear, with a low around 69.
Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms
|
84°F |
6 mph
ENE
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
NE
|
|
Saturday
Jul 11
|
Slight Chance Rain Showers then Mostly Sunny
|
87°F |
6 mph
E
|
|
Saturday Night
Jul 11
|
Partly Cloudy
|
66°F |
5 mph
SE
|
|
Sunday
Jul 12
|
Sunny
|
90°F |
5 mph
SSE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
69°F |
5 mph
SE
|
|
Monday
Jul 13
|
Sunny
|
93°F |
7 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Dallas County.
Coverage
Forecast coverage currently spans 7 of 7 mapped cities in Dallas County.
Largest mapped city population in this region: 26,166.
