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

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Mostly Cloudy

39°F

4°C

Humidity 64%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 25 Mar 7:55 am CDT
Extended Forecast for

Savanna IL

  • Today

    Today: Partly sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 29. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 25.

    Low: 25 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 51. South wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 29. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 47.
Friday Night
Clear, with a low around 25.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 74.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
Last Update:
5:36 am CDT Mar 25, 2026
Forecast Valid:
8am CDT Mar 25, 2026-6pm CDT Mar 31, 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