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.

Overcast

38°F

3°C

Humidity 90%
Wind Speed N 12 mph
Barometer 29.68 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Mar 1:15 am CDT
Extended Forecast for

Savanna IL

  • Overnight

    Overnight: A slight chance of showers before 2am, then a slight chance of showers after 3am. Cloudy, with a low around 35. North wind around 10 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Rain and snow likely before 1pm, then a chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 42. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 49. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: Partly sunny, with a high near 46. Breezy.

    High: 46 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow. Cloudy, with a high near 42.

    High: 42 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A slight chance of showers before 2am, then a slight chance of showers after 3am. Cloudy, with a low around 35. North wind around 10 mph. Chance of precipitation is 20%.
Wednesday
Rain and snow likely before 1pm, then a chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 42. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Thursday
Increasing clouds, with a high near 49. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 46. Breezy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A 30 percent chance of snow. Cloudy, with a high near 42.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 60%.
Sunday
Rain and snow. High near 42. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.07°N 90.13°W (Elev. 591 ft)
Last Update:
12:26 am CDT Mar 11, 2026
Forecast Valid:
1am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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