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.

Fair

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 11 Apr 12:35 am CDT
Extended Forecast for

Thomson IL

  • Overnight

    Overnight: Clear, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 58. Southeast wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 51. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 73 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 60. Breezy. Chance of precipitation is 80%.

    Low: 60 °F

    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 37. East wind around 5 mph.
Saturday
A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 58. Southeast wind 5 to 10 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 51. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 60. Breezy. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 77.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 75.
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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:
11:36 pm CDT Apr 10, 2026
Forecast Valid:
12am CDT Apr 11, 2026-6pm CDT Apr 17, 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