Smithton, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Smithton, IL in one place.
Mostly cloudy. High near 75, with temperatures falling to around 71 in the afternoon. North wind 5 to 9 mph.
Local Weather Overview
This forecast page for Smithton, 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: Sep 22, 2026 11:27 AM CDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Smithton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 11:27 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Smithton
Monday looks like the warmest upcoming period in Smithton at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 9 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 11:27 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 56. Northeast wind 2 to 8 mph.
Mostly sunny, with a high near 76. Northeast wind around 6 mph.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 54.
Partly sunny, with a high near 76.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 87.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Cloudy
|
75°F |
5 to 9 mph
N
|
|
Wednesday Night
Sep 23
|
Partly Cloudy
|
56°F |
2 to 8 mph
NE
|
|
Thursday
Sep 24
|
Mostly Sunny
|
76°F |
6 mph
NE
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
57°F |
1 to 5 mph
NE
|
|
Friday
Sep 25
|
Mostly Sunny
|
78°F |
2 to 6 mph
NE
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
54°F |
5 mph
E
|
|
Saturday
Sep 26
|
Partly Sunny
|
76°F |
3 mph
E
|
|
Saturday Night
Sep 26
|
Mostly Cloudy then Slight Chance Rain Showers
|
56°F |
3 mph
E
|
|
Sunday
Sep 27
|
Slight Chance Rain Showers
|
81°F |
3 mph
SE
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
58°F |
3 mph
SE
|
|
Monday
Sep 28
|
Mostly Sunny
|
87°F |
5 mph
SE
|
|
Monday Night
Sep 28
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Smithton.
