Dallas County, IA Weather Forecast

County weather hub

86°
F

Sunny

Compare major city weather across Dallas County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Tuesday, May 26, 2026
Wind: 6 to 10 mph S
Today

Sunny, with a high near 86. South wind 6 to 10 mph.

County weather hub

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
May 26 to Jun 1, 2026
Latest sync
May 26, 2026 11:34 AM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
86°F
Today
Next Low
57°F
Tonight
Rain Outlook
0
Periods mentioning precipitation
Windiest
7 to 12 mph
Thursday

Daily Outlook

Today
May 26
Sunny
86 °F
/ 57°F
Wind 6 to 10 mph
Wed
May 27
Sunny
87 °F
/ 61°F
Wind 0 to 6 mph
Thu
May 28
Mostly Sunny
84 °F
/ 58°F
Wind 7 to 12 mph
Fri
May 29
Partly Sunny
81 °F
/ 57°F
Wind 6 to 9 mph
Sat
May 30
Mostly Sunny
81 °F
/ 55°F
Wind 5 to 10 mph
Sun
May 31
Mostly Sunny
80 °F
/ 54°F
Wind 6 to 9 mph
Mon
Jun 1
Mostly Sunny
82 °F
/ 55°F
Wind 2 to 6 mph

This Week in Dallas County

Wednesday looks like the warmest upcoming period in Dallas County at 87 degrees F.

Sunday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Thursday at about 7 to 12 mph E.

The forecast from May 26 through Jun 1 stays mostly dry.

Forecast Details

Last updated
May 26, 2026 11:34 AM 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 source

Extended Forecast

Tonight
May 26
57°F
Partly Cloudy
2 to 7 mph SSE

Partly cloudy. Low around 57, with temperatures rising to around 60 overnight. South southeast wind 2 to 7 mph.

Wednesday
May 27
87°F
Sunny
0 to 6 mph SE

Sunny, with a high near 87. Southeast wind 0 to 6 mph.

Wednesday Night
May 27
61°F
Partly Cloudy
6 mph ESE

Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. East southeast wind around 6 mph.

Thursday
May 28
84°F
Mostly Sunny
7 to 12 mph E

Mostly sunny, with a high near 84. East wind 7 to 12 mph.

Thursday Night
May 28
58°F
Mostly Cloudy
5 to 12 mph E

Mostly cloudy, with a low around 58.

Friday
May 29
81°F
Partly Sunny
6 to 9 mph ESE

Partly sunny, with a high near 81.

Friday Night
May 29
57°F
Mostly Cloudy
3 to 9 mph ESE

Mostly cloudy, with a low around 57.

Saturday
May 30
81°F
Mostly Sunny
5 to 10 mph ESE

Mostly sunny, with a high near 81.

Saturday Night
May 30
55°F
Mostly Cloudy
5 to 10 mph E

Mostly cloudy, with a low around 55.

Sunday
May 31
80°F
Mostly Sunny
6 to 9 mph ESE

Mostly sunny, with a high near 80.

Sunday Night
May 31
54°F
Partly Cloudy
2 to 9 mph SE

Partly cloudy, with a low around 54.

Monday
Jun 1
82°F
Mostly Sunny
2 to 6 mph NE

Mostly sunny, with a high near 82.

Monday Night
Jun 1
55°F
Partly Cloudy
6 mph ESE

Partly cloudy, with a low around 55.

Detailed Forecast

Period Conditions Temp Wind
Today
May 26
Sunny
86°F
6 to 10 mph
S
Tonight
May 26
Partly Cloudy
57°F
2 to 7 mph
SSE
Wednesday
May 27
Sunny
87°F
0 to 6 mph
SE
Wednesday Night
May 27
Partly Cloudy
61°F
6 mph
ESE
Thursday
May 28
Mostly Sunny
84°F
7 to 12 mph
E
Thursday Night
May 28
Mostly Cloudy
58°F
5 to 12 mph
E
Friday
May 29
Partly Sunny
81°F
6 to 9 mph
ESE
Friday Night
May 29
Mostly Cloudy
57°F
3 to 9 mph
ESE
Saturday
May 30
Mostly Sunny
81°F
5 to 10 mph
ESE
Saturday Night
May 30
Mostly Cloudy
55°F
5 to 10 mph
E
Sunday
May 31
Mostly Sunny
80°F
6 to 9 mph
ESE
Sunday Night
May 31
Partly Cloudy
54°F
2 to 9 mph
SE
Monday
Jun 1
Mostly Sunny
82°F
2 to 6 mph
NE
Monday Night
Jun 1
Partly Cloudy
55°F
6 mph
ESE
Dallas County Courthouse
Dallas County Courthouse image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.