National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Mostly Cloudy

34°F

1°C

Humidity 85%
Wind Speed SW 5 mph
Barometer 29.99 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Mar 12:35 am CDT
Extended Forecast for

Thomson IL

  • Tonight

    Tonight: Cloudy early, then clearing, with a low around 32. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Clearing

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 43. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Southwest wind 5 to 10 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Rain likely after noon. Mostly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Sunny then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 34. Breezy. Chance of precipitation is 80%.

    Low: 34 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy early, then clearing, with a low around 32. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 43. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 68. Southwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 46.
Tuesday
Rain likely after noon. Mostly sunny, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 34. Breezy. Chance of precipitation is 80%.
Wednesday
Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Friday
Mostly cloudy, with a high near 56. Breezy.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
Last Update:
11:06 pm CST Mar 7, 2026
Forecast Valid:
11pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation