Thomson, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Thomson, IL in one place.
A chance of rain showers between 10am and 3pm. Mostly cloudy, with a high near 53. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Thomson, 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: Oct 15, 2026 10:24 PM CDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Thomson, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 10:24 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Thomson
Thursday looks like the warmest upcoming period in Thomson at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 20 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 15, 2026 10:24 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
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 36. North wind 0 to 20 mph, with gusts as high as 30 mph.
Patchy frost before 8am. Sunny, with a high near 55. West wind 0 to 5 mph.
Clear, with a low around 41.
Sunny, with a high near 64.
Mostly clear, with a low around 45.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 52.
Sunny, with a high near 71.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Chance Rain Showers
|
53°F |
20 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
36°F |
0 to 20 mph
N
|
|
Saturday
Oct 17
|
Patchy Frost then Sunny
|
55°F |
0 to 5 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
41°F |
5 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
10 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
45°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
65°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
49°F |
0 to 5 mph
SE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
0 to 5 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
52°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
71°F |
0 to 5 mph
SE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
55°F |
5 mph
SE
|
|
Thursday
Oct 22
|
Mostly Sunny
|
72°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thomson.