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

51°F

11°C

Humidity 86%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 9 Apr 6:55 pm CDT
Extended Forecast for

Thomson IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then showers likely. Some of the storms could produce heavy rainfall. Low around 44. Northwest wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 44 °F

    Heavy Rain

  • Friday

    Friday: A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 56. North wind 5 to 10 mph.

    High: 56 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. North wind around 5 mph becoming east after midnight.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 59. Southeast wind 5 to 10 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then showers likely. Some of the storms could produce heavy rainfall. Low around 44. Northwest wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 56. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 36. North wind around 5 mph becoming east after midnight.
Saturday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 59. Southeast wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 77.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 73.
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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:
5:47 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 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