Dalzell, IL Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Dalzell, IL in one place.
Patchy fog and showers and thunderstorms likely before 10am, then showers and thunderstorms between 10am and 11am, then showers and thunderstorms likely between 11am and 5pm. Partly sunny. High near 85, with temperatures falling to around 83 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Dalzell, 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: Aug 11, 2026 1:22 AM CDT.
The active forecast window currently covers Aug 11 to Aug 17, 2026 for Dalzell, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 17, 2026
- Latest sync
- Aug 11, 2026 1:22 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Dalzell
Tuesday looks like the warmest upcoming period in Dalzell at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph E.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 11, 2026 1:22 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KLOT
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. Partly cloudy, with a low around 69. East wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 85. Southeast wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of rain showers before 7am. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Patchy Fog
|
85°F |
5 mph
SW
|
|
Tuesday Night
Aug 11
|
Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
E
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
85°F |
0 to 5 mph
SE
|
|
Wednesday Night
Aug 12
|
Showers And Thunderstorms Likely
|
69°F |
0 to 5 mph
E
|
|
Thursday
Aug 13
|
Chance Showers And Thunderstorms
|
81°F |
5 mph
E
|
|
Thursday Night
Aug 13
|
Showers And Thunderstorms Likely
|
66°F |
5 mph
NE
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely
|
79°F |
5 to 10 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
66°F |
10 mph
E
|
|
Saturday
Aug 15
|
Chance Showers And Thunderstorms
|
83°F |
10 mph
SE
|
|
Saturday Night
Aug 15
|
Chance Showers And Thunderstorms
|
70°F |
5 to 10 mph
SW
|
|
Sunday
Aug 16
|
Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
NW
|
|
Sunday Night
Aug 16
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
N
|
|
Monday
Aug 17
|
Chance Rain Showers then Partly Sunny
|
77°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dalzell.