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Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

35°F

2°C

Humidity 67%
Wind Speed N 3 mph
Barometer 30.09 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Mar 11:15 pm CDT
Extended Forecast for

Savanna IL

Winter Storm Watch March 15, 07:00pm until March 16, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow between 8am and noon. Cloudy, with a high near 42. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 8pm, then a chance of rain. Cloudy, with a low around 35. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday

    Sunday: Rain and possibly a thunderstorm before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 59. Breezy, with a southeast wind 15 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 10pm. Patchy blowing snow after 10pm. Low around 16. Blustery. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Blustery. New snow accumulation of around an inch possible.

    High: 21 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm after midnight.
Saturday
A slight chance of snow between 8am and noon. Cloudy, with a high near 42. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow before 8pm, then a chance of rain. Cloudy, with a low around 35. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Rain and possibly a thunderstorm before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 59. Breezy, with a southeast wind 15 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 10pm. Patchy blowing snow after 10pm. Low around 16. Blustery. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A 50 percent chance of snow before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Blustery. New snow accumulation of around an inch possible.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
Last Update:
8:52 pm CDT Mar 13, 2026
Forecast Valid:
11pm CDT Mar 13, 2026-6pm CDT Mar 20, 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