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.

Fair

43°F

6°C

Humidity 58%
Wind Speed W 3 mph
Barometer 30.13 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 4 Apr 10:35 pm CDT
Extended Forecast for

Mason City IL

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West northwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 54. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Northeast wind around 8 mph becoming east southeast in the afternoon. Winds could gust as high as 16 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southeast wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. West northwest wind around 11 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 55. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 6 to 8 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 54. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 28. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 49. Northeast wind around 8 mph becoming east southeast in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southeast wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 53.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 71.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 49.
Friday
A chance of showers. Partly sunny, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53.
Saturday
A chance of showers. Mostly cloudy, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IL
 40.2°N 89.7°W (Elev. 568 ft)
Last Update:
8:27 pm CDT Apr 4, 2026
Forecast Valid:
10pm CDT Apr 4, 2026-6pm CDT Apr 11, 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