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

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Overcast

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 Sep 6:15 am CDT
Extended Forecast for

Mason City IL

  • Today

    Today: A chance of sprinkles before 2pm, then a slight chance of rain between 2pm and 4pm, then a chance of sprinkles after 4pm. Mostly cloudy, with a high near 70. Calm wind becoming east northeast around 6 mph in the morning. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: A chance of sprinkles before 7pm. Mostly cloudy, with a low around 56. East wind around 6 mph.

    Low: 56 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: A chance of sprinkles after 3pm. Partly sunny, with a high near 72. Southeast wind 5 to 7 mph.

    High: 72 °F

    Chance
    Sprinkles

  • Saturday Night

    Saturday Night: A chance of sprinkles before 7pm. Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: Partly sunny, with a high near 72. Light east wind.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Light east northeast wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. Light southeast wind.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A chance of sprinkles before 2pm, then a slight chance of rain between 2pm and 4pm, then a chance of sprinkles after 4pm. Mostly cloudy, with a high near 70. Calm wind becoming east northeast around 6 mph in the morning. Chance of precipitation is 20%.
Tonight
A chance of sprinkles before 7pm. Mostly cloudy, with a low around 56. East wind around 6 mph.
Saturday
A chance of sprinkles after 3pm. Partly sunny, with a high near 72. Southeast wind 5 to 7 mph.
Saturday Night
A chance of sprinkles before 7pm. Mostly cloudy, with a low around 58. Calm wind.
Sunday
Partly sunny, with a high near 72. Light east wind.
Sunday Night
Partly cloudy, with a low around 55. Light east northeast wind.
Monday
Sunny, with a high near 75. Light southeast wind.
Monday Night
Mostly clear, with a low around 58.
Tuesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63.
Thursday
A chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IL
 40.2°N 89.7°W (Elev. 568 ft)
Last Update:
4:36 am CDT Sep 25, 2026
Forecast Valid:
6am CDT Sep 25, 2026-6pm CDT Oct 1, 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