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

35°F

2°C

Humidity 74%
Wind Speed E 15 G 18 mph
Barometer 29.86 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Mar 11:15 pm CDT
Extended Forecast for

Thomson IL

Blizzard Warning March 15, 07:00pm until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning

  • Tonight

    Tonight: A slight chance of snow before midnight, then a slight chance of rain after 1am. Some thunder is also possible. Cloudy, with a temperature rising to around 41 by 5am. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 36 °F⇑

    Slight Chance
    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Rain and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 1pm, then rain after 1pm. High near 56. Breezy, with a south wind 20 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 9pm. Widespread blowing snow, mainly after 11pm. Low around 16. Wind chill values as low as zero. Windy, with a north wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 16 °F

    Rain/Snow and
    Blowing Snow
    then Snow and
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Widespread blowing snow, mainly before 9am. Cloudy, with a high near 21. Wind chill values as low as -5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph.

    High: 21 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. Blustery.

    Low: 5 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 19. Chance of precipitation is 80%.

    Low: 19 °F

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before midnight, then a slight chance of rain after 1am. Some thunder is also possible. Cloudy, with a temperature rising to around 41 by 5am. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday
Rain and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 1pm, then rain after 1pm. High near 56. Breezy, with a south wind 20 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 9pm. Widespread blowing snow, mainly after 11pm. Low around 16. Wind chill values as low as zero. Windy, with a north wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday
A 40 percent chance of snow before 1pm. Widespread blowing snow, mainly before 9am. Cloudy, with a high near 21. Wind chill values as low as -5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph.
Monday Night
Partly cloudy, with a low around 5. Blustery.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Snow. Low around 19. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 61.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 64.
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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:
10:31 pm CDT Mar 14, 2026
Forecast Valid:
11pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation