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

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

74°F

23°C

Humidity 81%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 4 Aug 9:35 pm CDT
Extended Forecast for

5 Miles SW Tiskilwa IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 78. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers
    Likely then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Low around 65. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77. East wind around 5 mph.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 67. South wind around 5 mph.
Wednesday
Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 78. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Low around 65. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77. East wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 68.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 85.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Tiskilwa IL
 41.25°N 89.56°W (Elev. 896 ft)
Last Update:
5:01 pm CDT Aug 4, 2026
Forecast Valid:
9pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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