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As of 01:34 CST

Weather in Mason City, IL

37°Current weather

Mason City, Sunday, 8 November, 01:34

Partly cloudy. Feels like 31°. High 61°, low 36°.

Pressure30.15 inHg
Wind7.8 mph SW
Humidity100%
Visibility6.2 mi
Dew point37°
Mon, 0963° / 36°0Clear
63 °Clear

Mason City, Monday, 9 November

Clear. High 63°, low 36°.

Pressure30.15 inHg
Wind7.1 mph SW
Humidity46%
Visibility6.2 mi
Dew point40°
Tue, 1064° / 45°0Clear
64 °Clear

Mason City, Tuesday, 10 November

Clear. High 64°, low 45°.

Pressure30.09 inHg
Wind3.9 mph NW
Humidity58%
Visibility6.2 mi
Dew point47°
Wed, 1163° / 42°0.15Rain
63 °Rain

Mason City, Wednesday, 11 November

Rain. High 63°, low 42°.

Pressure29.83 inHg
Wind4.7 mph SE
Humidity68%
Visibility6.2 mi
Dew point52°
Thu, 1249° / 42°0Clear
49 °Clear

Mason City, Thursday, 12 November

Clear. High 49°, low 42°.

Pressure29.94 inHg
Wind18.4 mph N
Humidity49%
Visibility—
Dew point30°
Fri, 1343° / 34°0Overcast
43 °Overcast

Mason City, Friday, 13 November

Overcast. High 43°, low 34°.

Pressure30.12 inHg
Wind11.1 mph N
Humidity55%
Visibility—
Dew point27°
Sat, 1445° / 29°0Clear
45 °Clear

Mason City, Saturday, 14 November

Clear. High 45°, low 29°.

Pressure30.12 inHg
Wind10.4 mph NW
Humidity39%
Visibility—
Dew point18°
Sun, 1559° / 33°0Clear
59 °Clear

Mason City, Sunday, 15 November

Clear. High 59°, low 33°.

Pressure30.09 inHg
Wind11.7 mph SW
Humidity39%
Visibility—
Dew point27°
Mon, 1665° / 44°0Overcast
65 °Overcast

Mason City, Monday, 16 November

Overcast. High 65°, low 44°.

Pressure30.06 inHg
Wind7.9 mph SE
Humidity52%
Visibility—
Dew point42°
Tue, 1766° / 53°0.09Light rain
66 °Light rain

Mason City, Tuesday, 17 November

Light rain. High 66°, low 53°.

Pressure30.00 inHg
Wind14.7 mph SE
Humidity55%
Visibility—
Dew point47°
Wed, 1862° / 51°0.92Rain
62 °Rain

Mason City, Wednesday, 18 November

Rain. High 62°, low 51°.

Pressure29.83 inHg
Wind16 mph S
Humidity59%
Visibility—
Dew point47°
Thu, 1962° / 45°0.06Light rain
62 °Light rain

Mason City, Thursday, 19 November

Light rain. High 62°, low 45°.

Pressure29.97 inHg
Wind13.5 mph S
Humidity46%
Visibility—
Dew point38°
Fri, 2068° / 55°0.05Light rain
68 °Light rain

Mason City, Friday, 20 November

Light rain. High 68°, low 55°.

Pressure29.77 inHg
Wind19.9 mph SW
Humidity65%
Visibility—
Dew point54°
Sat, 2165° / 48°0Clear
65 °Clear

Mason City, Saturday, 21 November

Clear. High 65°, low 48°.

Pressure29.83 inHg
Wind13.8 mph NW
Humidity40%
Visibility—
Dew point37°
Sun, 2247° / 41°0Partly cloudy
47 °Partly cloudy

Mason City, Sunday, 22 November

Partly cloudy. High 47°, low 41°.

Pressure29.88 inHg
Wind15.8 mph NW
Humidity52%
Visibility—
Dew point29°
Mon, 2348° / 39°0Partly cloudy
48 °Partly cloudy

Mason City, Monday, 23 November

Partly cloudy. High 48°, low 39°.

Pressure30.06 inHg
Wind14.2 mph NW
Humidity55%
Visibility—
Dew point32°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Mason City, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Mason City, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.