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

65°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 6 Aug 5:55 am CDT
Extended Forecast for

4 Miles NNW Savanna IL

  • Today

    Today: Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming west after midnight.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Mostly Clear
    then Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 64. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming west after midnight.
Saturday
Sunny, with a high near 82.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Sunday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Monday Night
A 50 percent chance of showers. Partly cloudy, with a low around 67.
Tuesday
Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Savanna IL
 42.14°N 90.15°W (Elev. 728 ft)
Last Update:
5:41 am CDT Aug 6, 2026
Forecast Valid:
6am CDT Aug 6, 2026-6pm CDT Aug 12, 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