National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Overcast

56°F

13°C

Humidity 27%
Wind Speed NW 6 mph
Barometer 30.08 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 2 May 2:15 pm CDT
Extended Forecast for

4 Miles S Mount Carroll IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. West wind around 10 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Increasing clouds, with a low around 43. Southwest wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. West wind around 10 mph.
Tonight
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 43. Southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 77.
Monday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mount Carroll IL
 42.02°N 89.98°W (Elev. 702 ft)
Last Update:
1:26 pm CDT May 2, 2026
Forecast Valid:
2pm CDT May 2, 2026-6pm CDT May 8, 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