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

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Light Snow and Windy

6°F

-14°C

Humidity 76%
Wind Speed NW 26 G 36 mph
Barometer 30.11 in (1022.0 mb)
Dewpoint 0°F (-18°C)
Visibility 1.75 mi
Wind Chill-16°F (-27°C)
Last update 17 Jan 2:53 pm CST
Extended Forecast for

Mason City IA

Winter Weather Advisory January 18, 03:00am until January 18, 09:00pm
Cold Weather Advisory January 18, 09:00pm until January 19, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of flurries before 4pm. Patchy blowing snow before 5pm. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -15. Blustery, with a northwest wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 10 °F

    Chance
    Flurries and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A chance of flurries after 4am. Mostly cloudy, with a low around 1. Wind chill values as low as -15. Blustery, with a northwest wind 6 to 16 mph becoming south southwest after midnight. Winds could gust as high as 29 mph.

    Low: 1 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly between noon and 1pm. Patchy blowing snow after 2pm. Mostly cloudy, with a high near 19. Wind chill values as low as -10. Windy, with a south southwest wind 11 to 16 mph becoming northwest 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Patchy blowing snow. Mostly cloudy, with a low around -6. Wind chill values as low as -30. Windy, with a northwest wind 20 to 28 mph, with gusts as high as 41 mph.

    Low: -6 °F

    Patchy
    Blowing Snow
    and Windy

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 5. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 24 mph.

    High: 5 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of flurries before 4pm. Patchy blowing snow before 5pm. Mostly cloudy and cold, with a high near 10. Wind chill values as low as -15. Blustery, with a northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
A chance of flurries after 4am. Mostly cloudy, with a low around 1. Wind chill values as low as -15. Blustery, with a northwest wind 6 to 16 mph becoming south southwest after midnight. Winds could gust as high as 29 mph.
Sunday
Snow likely, mainly between noon and 1pm. Patchy blowing snow after 2pm. Mostly cloudy, with a high near 19. Wind chill values as low as -10. Windy, with a south southwest wind 11 to 16 mph becoming northwest 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Patchy blowing snow. Mostly cloudy, with a low around -6. Wind chill values as low as -30. Windy, with a northwest wind 20 to 28 mph, with gusts as high as 41 mph.
M.L.King Day
Mostly sunny and cold, with a high near 5. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around -4.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 20.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 15.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
3:16 pm CST Jan 17, 2026
Forecast Valid:
3pm CST Jan 17, 2026-6pm CST Jan 23, 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