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.

Overcast

49°F

9°C

Humidity 72%
Wind Speed N 5 mph
Barometer 29.95 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 30 Apr 7:35 pm CDT
Extended Forecast for

Thomson IL

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind 5 to 10 mph.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Friday

    Friday: A 30 percent chance of showers, mainly after 3pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Northwest wind around 5 mph.

    High: 55 °F

    Areas Frost
    then Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. North wind around 5 mph.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 35. Northwest wind 5 to 10 mph.
Friday
A 30 percent chance of showers, mainly after 3pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Northwest wind around 5 mph.
Friday Night
A 10 percent chance of showers before 7pm. Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 58. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 75.
Monday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 47.
Tuesday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 63.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thomson IL
 41.96°N 90.1°W (Elev. 607 ft)
Last Update:
6:06 pm CDT Apr 30, 2026
Forecast Valid:
7pm CDT Apr 30, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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