What is today's weather forecast for Mason City, IA?

Today's forecast for Mason City shows a low of 14 degrees Fahrenheit. Areas of fog.

What is the 7-day weather forecast for Mason City, IA?

The 7-day forecast for Mason City shows highs from 26 to 37 degrees and lows from -3 to 31 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Mason City, IA this week?

Yes, rain is possible in Mason City this week. Precipitation chances: Wednesday (60% chance), Thursday (20% chance).

How accurate is the Mason City weather forecast?

WeatherForYou provides highly accurate Mason City forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Mason City, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

19°F
Feels Like 19°F

Humidity 94% Dew Point 17°F Wind WNW 1 MPH Gusts 1 Barometer 29.93 in.

Report from a personal weather station 0 mi. N of central Mason City
at 1:22 AM Tue, Dec 16, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

20%

-3

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 37°F to 26°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 29°F with lows around 14°F.

This Date in Weather History

1901 - An intense cold front swept across the eastern U.S. The cold front produced heavy rain in Louisiana, and heavy snow in the northeastern U.S.

Mason City, IA 7 Day Weather Forecast Details

Monday Dec 15

Night: Areas of fog. Otherwise, mostly cloudy, with a low around 14. Calm wind becoming south around 6 mph.

Tuesday Dec 16

Day: Patchy fog between 7am and 10am. Areas of freezing fog before 7am. Otherwise, partly sunny, with a high near 37. Wind chill values as low as 10. South wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

Night: Partly cloudy, with a low around 21. West northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 35. Breezy, with a light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 25 mph.

Night: Rain likely, mainly after midnight. Cloudy, with a low around 31. Breezy, with a south wind 17 to 20 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Dec 18

Day: A slight chance of rain and snow before noon. Partly sunny, with a high near 35. Windy. Chance of precipitation is 20%.

Night: Partly cloudy, with a low around -3. Windy.

Friday Dec 19

Day: Partly sunny, with a high near 28.

Night: Mostly cloudy, with a low around 18.

Saturday Dec 20

Day: Partly sunny, with a high near 32.

Night: Partly cloudy, with a low around 10.

Sunday Dec 21

Day: Mostly sunny, with a high near 26.

Night: Mostly cloudy, with a low around 17.

Monday Dec 22

Day: Partly sunny, with a high near 31.

About Mason City, IA

Mason City is a city and the county seat of Cerro Gordo County, Iowa, United States. The population was 27,338 in the 2020 census. Mason City is known for its musical and masonry heritage, as well as being home to a significant collection of Prairie School style architecture. The city forms a regional hub for north-central Iowa with nearby Clear Lake. The Mason City Micropolitan Statistical Area that includes all of Cerro Gordo and Worth counties is located at the transportation junction between Interstate 35 and the Avenue of the Saints. Local public education is provided by North Iowa Area Community College and Mason City Community School District. The Winnebago River traverses the community to the southeast.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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