Smithfield, IL Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Smithfield, IL in one place.
Patchy fog after 5am. Mostly clear, with a low around 60. Wind around 0 mph.
Local Weather Overview
This forecast page for Smithfield, 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 3, 2026 2:43 AM CDT.
The active forecast window currently covers Aug 3 to Aug 9, 2026 for Smithfield, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 9, 2026
- Latest sync
- Aug 3, 2026 2:43 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Smithfield
Sunday looks like the warmest upcoming period in Smithfield at 88 degrees F.
Overnight is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Sunday at about 2 to 6 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 3, 2026 2:43 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog before 8am. Sunny, with a high near 83. Wind around 0 mph.
Mostly clear, with a low around 62. East wind around 1 mph.
Sunny, with a high near 85. South southeast wind around 2 mph.
Partly cloudy, with a low around 64. Wind around 0 mph.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Wind around 0 mph.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind around 1 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 80%.
Partly cloudy, with a low around 63.
A slight chance of rain showers after 7am. Mostly sunny, with a high near 84.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 3
|
Patchy Fog
|
60°F |
0 mph
|
|
Monday
Aug 3
|
Patchy Fog then Sunny
|
83°F |
0 mph
|
|
Monday Night
Aug 3
|
Mostly Clear
|
62°F |
1 mph
E
|
|
Tuesday
Aug 4
|
Sunny
|
85°F |
2 mph
SSE
|
|
Tuesday Night
Aug 4
|
Partly Cloudy
|
64°F |
0 mph
|
|
Wednesday
Aug 5
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
0 mph
|
|
Wednesday Night
Aug 5
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
65°F |
1 mph
ENE
|
|
Thursday
Aug 6
|
Showers And Thunderstorms
|
82°F |
1 mph
N
|
|
Thursday Night
Aug 6
|
Partly Cloudy
|
63°F |
0 mph
|
|
Friday
Aug 7
|
Slight Chance Rain Showers
|
84°F |
1 mph
SSW
|
|
Friday Night
Aug 7
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 mph
|
|
Saturday
Aug 8
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
2 mph
SW
|
|
Saturday Night
Aug 8
|
Partly Cloudy
|
68°F |
1 mph
SSW
|
|
Sunday
Aug 9
|
Mostly Sunny
|
88°F |
2 to 6 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Smithfield.