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.

Rain

59°F

15°C

Humidity 91%
Wind Speed E 13 G 18 mph
Barometer 29.86 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 6:15 pm CDT
Extended Forecast for

Thomson IL

  • Tonight

    Tonight: Showers, mainly before 9pm. Low around 56. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly before 9pm. Low around 56. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 54. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. Calm wind.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 83.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
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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:
5:31 pm CDT Jun 21, 2026
Forecast Valid:
6pm CDT Jun 21, 2026-6pm CDT Jun 28, 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