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

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Overcast

37°F

3°C

Humidity 90%
Wind Speed NW 3 mph
Barometer 29.86 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Last update 7 Jan 12:35 am CST
Extended Forecast for

Mason City IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 33. West northwest wind around 6 mph becoming calm.

    Low: 33 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 57. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 57 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 41. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers, mainly after noon. High near 58. South southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 45. South wind 9 to 17 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 49. West wind 6 to 8 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35. Northeast wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 33. West northwest wind around 6 mph becoming calm.
Wednesday
Areas of fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 57. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Increasing clouds, with a low around 41. South wind around 9 mph, with gusts as high as 18 mph.
Thursday
Showers, mainly after noon. High near 58. South southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 45. South wind 9 to 17 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy, with a high near 49. West wind 6 to 8 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35. Northeast wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Saturday
A chance of rain before noon, then a chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 43.
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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:
11:56 pm CST Jan 6, 2026
Forecast Valid:
12am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation