Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

30°F

-1°C

Humidity 72%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 20 Apr 4:35 am CDT
Extended Forecast for

Savanna IL

Freeze Warning April 20, 04:57am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 04:57am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. West wind around 5 mph becoming calm.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 58. Light south wind increasing to 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 46. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 48. West wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
2:21 am CDT Apr 20, 2026
4am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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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