Dallas County, IA Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Dallas County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy, with a low around 64. Southeast wind around 5 mph.
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
- Aug 24 to Aug 31, 2026
- Latest sync
- Aug 24, 2026 11:19 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dallas County
Sunday looks like the warmest upcoming period in Dallas County at 89 degrees F.
Thursday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 12 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 11:19 PM 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
Partly sunny, with a high near 83. South wind 3 to 7 mph.
Partly cloudy, with a low around 66. West southwest wind around 6 mph.
Sunny, with a high near 83. West northwest wind 6 to 12 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 61. Northwest wind 3 to 8 mph.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Sunny, with a high near 83.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Aug 24
|
Mostly Cloudy
|
64°F |
5 mph
SE
|
|
Tuesday
Aug 25
|
Partly Sunny
|
83°F |
3 to 7 mph
S
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
66°F |
6 mph
WSW
|
|
Wednesday
Aug 26
|
Sunny
|
83°F |
6 to 12 mph
WNW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
61°F |
3 to 8 mph
NW
|
|
Thursday
Aug 27
|
Sunny
|
82°F |
3 to 7 mph
NNW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
59°F |
2 mph
WNW
|
|
Friday
Aug 28
|
Sunny
|
83°F |
0 to 3 mph
SSW
|
|
Friday Night
Aug 28
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
66°F |
3 to 10 mph
SSE
|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms
|
87°F |
10 to 14 mph
S
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
71°F |
9 to 14 mph
S
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
89°F |
12 to 15 mph
S
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms
|
71°F |
8 to 12 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
9 mph
SW
|
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.
