Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Partly Cloudy

48°F

9°C

Humidity 42%
Wind Speed NW 16 G 24 mph
Barometer 30.13 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Apr 10:15 am CDT
Extended Forecast for

Savanna IL

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Today

    Today: A 30 percent chance of showers, mainly between 11am and noon.  Cloudy, then gradually becoming mostly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Widespread frost after 3am.  Otherwise, mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light north  after midnight.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am.  Otherwise, sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. South wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    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 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Widespread frost after 3am. Otherwise, mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light north after midnight.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 44. South wind around 5 mph.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Showers. Low around 56. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
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)
8:37 am CDT Apr 19, 2026
10am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database