Dallas City, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Dallas City, IL in one place.
Sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 100. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Dallas City, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 4:32 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Dallas City, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 4:32 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Dallas City
Saturday looks like the warmest upcoming period in Dallas City at 93 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 4:32 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. North wind 0 to 5 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 87.
Mostly clear, with a low around 73.
Sunny, with a high near 92.
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 88. Chance of precipitation is 30%.
Mostly clear, with a low around 67.
Sunny, with a high near 80.
Mostly clear, with a low around 64.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 82.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
93°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
0 to 5 mph
N
|
|
Sunday
Jul 19
|
Mostly Sunny
|
87°F |
5 mph
E
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
5 mph
SE
|
|
Monday
Jul 20
|
Sunny
|
92°F |
5 to 10 mph
S
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
77°F |
10 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms then Sunny
|
88°F |
10 to 15 mph
NW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
67°F |
5 to 15 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
80°F |
5 to 10 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
64°F |
0 to 10 mph
N
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers
|
82°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 23
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
66°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dallas City.