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Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

78°F

26°C

Humidity 89%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Sep 12:55 am CDT
Extended Forecast for

Mount Carroll IL

Heat Advisory September 3, 01:16am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 01:16am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Overnight

    Low: 74 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 73. South wind around 5 mph becoming east after midnight.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 101. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Thursday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Southwest wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 73. South wind around 5 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 101. Southeast wind around 5 mph becoming southwest in the afternoon.
Friday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Carroll IL
 42.09°N 89.98°W (Elev. 778 ft)
Last Update:
11:36 pm CDT Sep 2, 2026
Forecast Valid:
1am CDT Sep 3, 2026-6pm CDT Sep 9, 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