Tonica, IL Weather Forecast
Local 7-day forecast
Chance Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Tonica, IL in one place.
A chance of rain. Cloudy, with a low around 52. East southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Tonica, 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: Nov 1, 2026 1:08 AM CST.
The active forecast window currently covers Nov 1 to Nov 7, 2026 for Tonica, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 1 to Nov 7, 2026
- Latest sync
- Nov 1, 2026 1:08 AM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Tonica
Tuesday looks like the warmest upcoming period in Tonica at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 1, 2026 1:08 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers. Mostly cloudy. High near 65, with temperatures falling to around 62 in the afternoon. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 54. Southeast wind 5 to 10 mph.
A slight chance of rain showers. Mostly cloudy, with a high near 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Rain showers likely. Cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 80%.
Rain showers likely. Mostly cloudy, with a low around 54.
A chance of rain showers. Partly sunny, with a high near 67.
A slight chance of rain showers. Mostly cloudy, with a low around 48.
A slight chance of rain showers. Partly sunny, with a high near 64.
A chance of rain showers. Mostly cloudy, with a low around 46.
A slight chance of rain showers. Partly sunny, with a high near 64.
Mostly cloudy, with a low around 43.
Partly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 1
|
Chance Rain
|
52°F |
5 mph
ESE
|
|
Sunday
Nov 1
|
Slight Chance Rain Showers
|
65°F |
5 to 10 mph
SE
|
|
Sunday Night
Nov 1
|
Mostly Cloudy
|
54°F |
5 to 10 mph
SE
|
|
Monday
Nov 2
|
Slight Chance Rain Showers
|
69°F |
10 to 15 mph
SSE
|
|
Monday Night
Nov 2
|
Rain Showers Likely
|
61°F |
15 mph
S
|
|
Tuesday
Nov 3
|
Rain Showers
|
73°F |
15 to 20 mph
S
|
|
Tuesday Night
Nov 3
|
Rain Showers Likely
|
54°F |
5 to 15 mph
S
|
|
Wednesday
Nov 4
|
Chance Rain Showers
|
67°F |
5 to 10 mph
SW
|
|
Wednesday Night
Nov 4
|
Slight Chance Rain Showers
|
48°F |
5 mph
WNW
|
|
Thursday
Nov 5
|
Slight Chance Rain Showers
|
64°F |
5 mph
NNW
|
|
Thursday Night
Nov 5
|
Chance Rain Showers
|
46°F |
5 mph
N
|
|
Friday
Nov 6
|
Slight Chance Rain Showers
|
64°F |
5 to 10 mph
NNE
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
43°F |
0 to 5 mph
N
|
|
Saturday
Nov 7
|
Partly Sunny
|
63°F |
0 to 5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Tonica.