Thomson, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Thomson, IL in one place.
Partly sunny, with a high near 77.
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: May 28, 2026 6:42 PM CDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Thomson, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 6:42 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Thomson
Monday looks like the warmest upcoming period in Thomson at 79 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Saturday Night at about 10 to 15 mph E.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 28, 2026 6:42 PM CDT
- Coverage
- 5 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 cloudy, with a low around 56.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 79.
Mostly clear, with a low around 56.
Sunny, with a high near 79.
Mostly clear, with a low around 54.
Sunny, with a high near 79.
Mostly clear, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
77°F |
5 to 10 mph
E
|
|
Saturday Night
May 30
|
Mostly Cloudy
|
56°F |
10 to 15 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
76°F |
5 to 10 mph
SE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
56°F |
0 to 5 mph
E
|
|
Monday
Jun 1
|
Mostly Sunny
|
79°F |
0 to 5 mph
E
|
|
Monday Night
Jun 1
|
Mostly Clear
|
56°F |
5 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
79°F |
5 mph
E
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
54°F |
5 to 10 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
5 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
57°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thomson.