Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Thunderstorm Light Rain

64°F

18°C

Humidity 85%
Wind Speed S 9 mph
Barometer 29.58 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Apr 7:35 pm CDT
Extended Forecast for

4 Miles NW Thomson IL

Flood Watch until April 18, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 18, 04:00am

    NOW until 4:00am Sat

    Flood Watch

  • Tonight

    Low: 39 °F

    Breezy.
    Severe
    Thunderstorms
    then Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 34. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 8am.  Otherwise, mostly sunny, with a high near 48. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 54.

    High: 54 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers after 1am. Some of the storms could be severe. Low around 39. Breezy, with a south wind 10 to 15 mph becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly sunny, with a high near 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 34. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 48. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Thomson IL
 42.01°N 90.13°W (Elev. 591 ft)
7:26 pm CDT Apr 17, 2026
7pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database