Smithton, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Smithton, IL in one place.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a slight chance of showers and thunderstorms between 8am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 106. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
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: Jun 8, 2026 5:15 PM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Smithton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 5:15 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Smithton
Wednesday looks like the warmest upcoming period in Smithton at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Thursday at about 8 to 15 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 5:15 PM 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
Mostly clear, with a low around 74. Heat index values as high as 106. Southwest wind around 7 mph.
Sunny, with a high near 93. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 74.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
90°F |
5 to 9 mph
SW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
74°F |
7 mph
SW
|
|
Wednesday
Jun 10
|
Sunny
|
93°F |
6 to 13 mph
SW
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
74°F |
8 to 13 mph
S
|
|
Thursday
Jun 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
8 to 15 mph
S
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
6 to 14 mph
W
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms then Mostly Sunny
|
85°F |
6 mph
NW
|
|
Friday Night
Jun 12
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
1 to 5 mph
E
|
|
Saturday
Jun 13
|
Slight Chance Showers And Thunderstorms
|
86°F |
2 to 7 mph
S
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
67°F |
6 mph
SW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
83°F |
5 to 9 mph
N
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
63°F |
5 to 9 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Smithton.
