Cities / United States / Illinois

33°

🌤️ Mason City weather

Mostly clear. .

Feels like 34° Wind 19 km/h SW Humidity 44% Pressure 1014 hPa UV 2 Air Good 06:25 - 19:32
⚠ Heat Advisory · Moderate

Heat Advisory issued August 31 at 1:44AM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL

Right now it is 33° in Mason City with mostly clear skies and today's high is 35° with an overnight low of 21°. The sun rises at 06:25 and sets at 19:32, giving 13h 07m of daylight. Over the coming week highs range from 29° to 41°.

Mason City is in Illinois, United States, sitting 177 m above sea level, with a population of about 2,000. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.

Next 24 hours - temperature

23° 30° 36° 35° 23° 12:00 · 32.6° · 0 mm 13:00 · 34.1° · 0 mm 14:00 · 34.9° · 0 mm 15:00 · 35.1° · 0 mm 16:00 · 35.2° · 0 mm 17:00 · 34.6° · 0 mm 18:00 · 33° · 0 mm 19:00 · 30.7° · 0 mm 20:00 · 28.6° · 0 mm 21:00 · 27.4° · 0 mm 22:00 · 26.5° · 0 mm 23:00 · 25.7° · 0 mm 00:00 · 25.2° · 0 mm 01:00 · 24.8° · 0 mm 02:00 · 24.4° · 0 mm 03:00 · 24.1° · 0 mm 04:00 · 23.7° · 0 mm 05:00 · 23.8° · 0 mm 06:00 · 23.3° · 0 mm 07:00 · 23.1° · 0 mm 08:00 · 25.5° · 0 mm 09:00 · 28.2° · 0 mm 10:00 · 30.4° · 0 mm 11:00 · 32.3° · 0 mm

Precipitation

12:00 · 0 mm 12:00 13:00 · 0 mm 14:00 · 0 mm 15:00 · 0 mm 15:00 16:00 · 0 mm 17:00 · 0 mm 18:00 · 0 mm 18:00 19:00 · 0 mm 20:00 · 0 mm 21:00 · 0 mm 21:00 22:00 · 0 mm 23:00 · 0 mm 00:00 · 0 mm 00:00 01:00 · 0 mm 02:00 · 0 mm 03:00 · 0 mm 03:00 04:00 · 0 mm 05:00 · 0 mm 06:00 · 0 mm 06:00 07:00 · 0 mm 08:00 · 0 mm 09:00 · 0 mm 09:00 10:00 · 0 mm 11:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
12:00 🌤️ 32.6° 32° - Mostly clear
13:00 ☀️ 34.1° 33° - Clear sky
14:00 ☀️ 34.9° 33.6° - Clear sky
15:00 ☀️ 35.1° 33.7° - Clear sky
16:00 ☀️ 35.2° 33.9° - Clear sky
17:00 ☀️ 34.6° 33.5° - Clear sky
18:00 ☀️ 33° 32.5° - Clear sky
19:00 ☀️ 30.7° 31° - Clear sky
20:00 ☀️ 28.6° 28.9° - Clear sky
21:00 ☀️ 27.4° 28° - Clear sky
22:00 ☀️ 26.5° 27.5° - Clear sky
23:00 ☀️ 25.7° 27° - Clear sky

Next 16 days

☀️ TodayAugust 31st Avg 28° Low 21° at 07:00 High 35° at 16:00 Wind ~22 km/h
Clear
00:00 24°
02:00 23°
04:00 22°
06:00 21°
08:00 23°
10:00 28°
12:00 33°
14:00 35°
16:00 35°
18:00 33°
20:00 29°
22:00 27°
☀️ TuesdaySeptember 1st Avg 30° Low 23° at 07:00 High 38° at 15:00 Wind ~14 km/h
Clear Clear
00:00 25°
02:00 24°
04:00 24°
06:00 23°
08:00 26°
10:00 30°
12:00 34°
14:00 37°
16:00 38°
18:00 35°
20:00 30°
22:00 28°
☀️ WednesdaySeptember 2nd Avg 33° Low 25° at 06:00 High 41° at 15:00 Feels 38° Wind ~27 km/h
Clear Clear
00:00 27°
02:00 26°
04:00 25°
06:00 25°
08:00 27°
10:00 34°
12:00 39°
14:00 41°
16:00 41°
18:00 39°
20:00 36°
22:00 33°
☀️ ThursdaySeptember 3rd Avg 32° Low 26° at 07:00 High 40° at 15:00 Wind ~23 km/h
Clear Cloudy Clear
00:00 30°
02:00 28°
04:00 27°
06:00 26°
08:00 29°
10:00 34°
12:00 38°
14:00 40°
16:00 39°
18:00 34°
20:00 33°
22:00 29°
☀️ FridaySeptember 4th Avg 33° Low 26° at 06:00 High 40° at 14:00 Wind ~20 km/h
Clear Cloudy Clear Cloudy
00:00 28°
02:00 27°
04:00 27°
06:00 26°
08:00 28°
10:00 35°
12:00 38°
14:00 40°
16:00 39°
18:00 37°
20:00 33°
22:00 31°
🌧️ SaturdaySeptember 5th Avg 30° Low 22° at 23:00 High 38° at 15:00 57.5 mm rain Wind ~26 km/h
Cloudy Rain Cloudy Rain
00:00 30°
02:00 28°
04:00 28°
06:00 25°
08:00 26° 0.2mm
10:00 31° 0.2mm
12:00 35°
14:00 38°
16:00 38°
18:00 35°
20:00 29° 18.2mm
22:00 23° 18.2mm
🌧️ SundaySeptember 6th Avg 24° Low 21° at 03:00 High 29° at 16:00 5.5 mm rain Wind ~21 km/h
Rain Partly Cloudy Rain Partly Cloudy Partly Cloudy
00:00 21° 2.3mm
02:00 21° 0.2mm
04:00 21° 0.2mm
06:00 21°
08:00 23°
10:00 26°
12:00 26° 0.1mm
14:00 27°
16:00 29°
18:00 27°
20:00 25°
22:00 22°
🌦️ MondaySeptember 7th Avg 21° Low 19° at 13:00 High 23° at 17:00 0.9 mm rain Wind ~15 km/h
Cloudy Partly Cloudy Rain Cloudy
00:00 21°
02:00 20°
04:00 19°
06:00 19°
08:00 20° 0.1mm
10:00 20° 0.1mm
12:00 19° 0.2mm
14:00 20°
16:00 22°
18:00 23°
20:00 22°
22:00 21°
☀️ TuesdaySeptember 8th Avg 28° Low 19° at 06:00 High 39° at 16:00 0.3 mm rain Wind ~23 km/h
Rain Clear
00:00 21°
02:00 20°
04:00 20°
06:00 19° 0.1mm
08:00 22°
10:00 28°
12:00 33°
14:00 37°
16:00 39°
18:00 35°
20:00 31°
22:00 29°
☀️ WednesdaySeptember 9th Avg 27° Low 22° at 23:00 High 32° at 14:00 Wind ~25 km/h
Partly Cloudy Clear Partly Cloudy Clear
00:00 27°
02:00 25°
04:00 24°
06:00 25°
08:00 27°
10:00 28°
12:00 31°
14:00 32°
16:00 31°
18:00 28°
20:00 25°
22:00 22°
☀️ ThursdaySeptember 10th Avg 24° Low 17° at 06:00 High 31° at 15:00 Wind ~21 km/h
Clear
00:00 22°
02:00 21°
04:00 18°
06:00 17°
08:00 19°
10:00 24°
12:00 28°
14:00 31°
16:00 31°
18:00 28°
20:00 26°
22:00 24°
🌦️ FridaySeptember 11th Avg 26° Low 21° at 06:00 High 32° at 13:00 0.6 mm rain Wind ~20 km/h
Clear Rain Rain Cloudy
00:00 23°
02:00 22°
04:00 21°
06:00 21°
08:00 23°
10:00 28°
12:00 31° 0.1mm
14:00 32°
16:00 30°
18:00 28° 0.1mm
20:00 26°
22:00 24°
🌦️ SaturdaySeptember 12th Avg 26° Low 20° at 06:00 High 33° at 15:00 0.4 mm rain Wind ~21 km/h
Cloudy Partly Cloudy Clear
00:00 23°
02:00 22°
04:00 21°
06:00 20°
08:00 22°
10:00 27°
12:00 30°
14:00 32°
16:00 33°
18:00 31°
20:00 29°
22:00 27°
🌧️ SundaySeptember 13th Avg 26° Low 21° at 06:00 High 36° at 15:00 19.7 mm rain Wind ~25 km/h
Cloudy Rain Partly Cloudy Rain
00:00 23° 0.4mm
02:00 22°
04:00 21°
06:00 21°
08:00 23° 0.2mm
10:00 27° 0.2mm
12:00 31°
14:00 35°
16:00 36°
18:00 27° 4.1mm
20:00 22° 1.9mm
22:00 22° 1.9mm
🌦️ MondaySeptember 14th Avg 19° Low 14° at 23:00 High 22° at 02:00 0.9 mm rain Wind ~33 km/h
Cloudy Rain Clear
00:00 22° 0.3mm
02:00 22°
04:00 22°
06:00 18° 0.1mm
08:00 16°
10:00 16°
12:00 19°
14:00 21°
16:00 21°
18:00 20°
20:00 17°
22:00 14°
☀️ TuesdaySeptember 15th Avg 16° Low 11° at 06:00 High 23° at 15:00 Wind ~13 km/h
Cloudy Partly Cloudy Clear Partly Cloudy
00:00 13°
02:00 13°
04:00 12°
06:00 11°
08:00 13°
10:00 17°
12:00 21°
14:00 23°
16:00 23°
18:00 20°
20:00 17°
22:00 15°

Sun

☀️ Sunrise 06:25 · Sunset 19:32

13h 07m of daylight · America/Chicago

Air quality

PM2.5 6.5 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Mason City

Common questions about Mason City weather

Will it rain in Mason City today?

No rain is in the forecast for Mason City today.

What is the temperature in Mason City right now?

It is 33° in Mason City right now. Today runs between a low of 21° and a high of 35°.

What time is sunrise and sunset in Mason City?

The sun rises at 06:25 and sets at 19:32 local time in Mason City today, giving 13h 07m of daylight.

What is the air quality in Mason City?

PM2.5 in Mason City is currently 6.5 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Mason City forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Mason City best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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