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

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Light Rain

58°F

14°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.73 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 12:55 am CDT
Extended Forecast for

Thomson IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 56. South wind around 10 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 72. West wind 5 to 10 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could produce heavy rainfall. Low around 41. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 41 °F

    Heavy Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 56. South wind around 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 72. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 53. Southwest wind around 5 mph becoming southeast after midnight.
Friday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could produce heavy rainfall. Low around 41. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
Last Update:
10:57 pm CDT Apr 15, 2026
Forecast Valid:
1am CDT Apr 16, 2026-6pm CDT Apr 22, 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