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

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

81°F

27°C

Humidity 53%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Heat Index82°F (28°C)
Last update 3 Aug 2:55 pm CDT
Extended Forecast for

5 Miles SW Tiskilwa IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind becoming south around 5 mph in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Partly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could produce heavy rainfall. Low around 64. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    Heavy Rain

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Calm wind.
Tonight
Mostly clear, with a low around 64. Calm wind becoming south around 5 mph in the evening.
Tuesday
Sunny, with a high near 84. Southwest wind 5 to 10 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Partly cloudy, with a low around 67. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 78. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could produce heavy rainfall. Low around 64. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Tiskilwa IL
 41.25°N 89.56°W (Elev. 896 ft)
Last Update:
1:46 pm CDT Aug 3, 2026
Forecast Valid:
3pm CDT Aug 3, 2026-6pm CDT Aug 9, 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