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

Today's forecast for Mason City shows a high of 58 degrees and a low of 46 degrees Fahrenheit. A chance of rain showers.

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

The 7-day forecast for Mason City shows highs from 55 to 62 degrees and lows from 37 to 46 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Mason City, IL this week?

Yes, rain is possible in Mason City this week. Precipitation chances: Sunday (37% chance), Monday (30% chance), Tuesday (39% chance), Wednesday (36% 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, IL Weather Forecast and Current Conditions (62664)

Current Conditions From Nearby Station

50°F
Feels Like 50°F

Humidity 56% Dew Point 35°F Wind ESE 5 MPH Gusts 10 Barometer 29.59 in.751.6 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 6.5 miles ESE of central Mason City
at 12:00 AM Sat, Oct 25, 2025

Current Conditions From Nearby Station

50°F
Feels Like 50°F

Humidity 56% Dew Point 35°F Wind ESE 5 MPH Gusts 10 Barometer 29.59 in.751.6 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 6.5 miles ESE of central Mason City
at 12:00 AM Sat, Oct 25, 2025

Point Forecast at a Glance

SatOct 25

20%

58°

46°

SunOct 26

30%

62°

45°

MonOct 27

30%

61°

41°

TueOct 28

30%

58°

41°

WedOct 29

40%

55°

37°

ThuOct 30

57°

37°

FriOct 31

57°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 55°F to 62°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for October. Normal highs for this period are around 67°F with lows around 43°F.

This Date in Weather History

1977 - Dutch Harbor in Alaska reported a barometric pressure reading of 27.31 inchesto establish an all-time record for the state.

Mason City 7 Day Weather Forecast Details

Saturday Oct 25

Day: A chance of rain showers. Cloudy, with a high near 58. East southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Night: A chance of rain showers. Cloudy, with a low around 46. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday Oct 26

Day: A chance of rain showers. Mostly cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Night: A chance of rain showers. Mostly cloudy, with a low around 45. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Monday Oct 27

Day: A chance of rain showers before 7am. Mostly sunny, with a high near 61. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.