Tonti, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Tonti, IL in one place.
A chance of rain showers before 9am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southwest wind 8 to 12 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Tonti, 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: Apr 15, 2026 8:47 PM CDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Tonti, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 15, 2026 8:47 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Tonti
Friday looks like the warmest upcoming period in Tonti at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 14 to 17 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 8:47 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KVWX
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 before 7pm. Mostly clear, with a low around 59. Southwest wind around 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 3 to 15 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy. Low around 55, with temperatures rising to around 64 overnight. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. Chance of precipitation is 70%.
A chance of rain showers before 1am. Partly cloudy, with a low around 40. Chance of precipitation is 40%.
Sunny, with a high near 63.
Clear, with a low around 40.
Sunny, with a high near 69.
Mostly clear, with a low around 50.
Sunny, with a high near 75.
Mostly clear, with a low around 55.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
79°F |
8 to 12 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
59°F |
6 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
83°F |
3 to 15 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
55°F |
14 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms Likely
|
66°F |
14 to 17 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
40°F |
7 to 15 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
63°F |
7 to 13 mph
NW
|
|
Sunday Night
Apr 19
|
Clear
|
40°F |
5 to 8 mph
NE
|
|
Monday
Apr 20
|
Sunny
|
69°F |
6 to 9 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
50°F |
9 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
75°F |
9 to 15 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
55°F |
10 mph
SW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Tonti.