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Hazardous Weather Conditions
Current conditions at
Tri-Township Airport (KSFY)
Lat: 42.05°NLon: 90.11°WElev: 614ft.
Thunderstorm in Vicinity
71°F
22°C
| Humidity | 78% |
| Wind Speed | SW 8 mph |
| Barometer | 29.87 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 13 Apr 12:15 pm CDT |
Extended Forecast for
Savanna IL
This Afternoon

High: 76 °F
Chance
T-stormsTonight

Low: 64 °F
Chance
T-stormsTuesday
High: 81 °F
Patchy Fog
then Chance
T-stormsTuesday Night

Low: 61 °F
T-storms
Wednesday
High: 74 °F
Showers
Likely then
ShowersWednesday Night

Low: 57 °F
Showers
LikelyThursday

High: 74 °F
Chance
ShowersThursday Night

Low: 54 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
then Chance
Showers
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 3am. Partly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then showers and thunderstorms likely after 1am. Low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 74. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 54.
Friday
A 50 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 50. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Savanna IL
42.09°N 90.13°W (Elev. 623 ft)
42.09°N 90.13°W (Elev. 623 ft)
11:52 am CDT Apr 13, 2026
12pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026



