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WeatherLive › Illinois › Mason City

Mason City, IL Weather (62664)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMason City · 9:00 AM CDT
90° | 73°
77°F
Feels like 83°
Partly cloudy
WindN 6 mph · Gusts 9 mph
Precip17% · –
Humidity83% · Dew point 72°
UV index6 High
Air Quality26 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:11 AM · 7:55 PM · 13h 44m

Weather map — Mason City

Full radar →
Now
78°
17%
6 mph
10:00
82°
11%
8 mph
11:00
85°
11%
9 mph
12:00
84°
6%
11 mph
13:00
86°
6%
10 mph
14:00
90°
7%
10 mph
15:00
90°
10%
11 mph
16:00
89°
5%
12 mph
17:00
87°
6%
12 mph
18:00
83°
8%
10 mph
19:00
82°
10%
7 mph
20:00
79°
9%
7 mph
21:00
76°
12%
6 mph
22:00
74°
14%
6 mph
23:00
73°
16%
6 mph
00:00
73°
20%
6 mph
01:00
72°
21%
4 mph
02:00
71°
20%
5 mph
03:00
70°
21%
5 mph
04:00
69°
20%
6 mph
05:00
68°
15%
6 mph
06:00
67°
15%
7 mph
07:00
67°
13%
5 mph
08:00
71°
9%
6 mph

Today · Sun 8/16

High 90°
17% / –

Partly cloudy. Winds N at 12 mph.

Tonight · Sun 8/16

Low 67°
12% / –

Sunny. Winds N at 6 mph.

Tomorrow · Mon 8/17

87° | 67°
7% / –

Sunny. Winds NE at 9 mph.

7-day trend

Mason City · temperature + precipitation

10-day forecast

Updated 9:00 AM

Details & indices

Wind
6 mph N
Gusts 9 mph
Humidity
83%
Dew point 72°
Pressure
29.91 inHg
Rising
UV index
6 — High
High today
Air Quality
Good
AQI 26 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Mason City

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:11 AM
Sunset7:55 PM
Length of day13h 44m
Moonrise10:35 AM
Moonset9:43 PM
Moon phase🌒 Waxing Crescent · 17%
Next full moonAug 27 Sturgeon Moon
Latitude40.2023°N
Longitude-89.6982°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Chicago
—
— 🌤️
Aurora
—
— 🌤️
Rockford
—
—
Joliet
Fog
74°
Naperville
Showers
72°
Data sources · Sunday, August 16
Where the Mason City forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.2023°N, -89.6982°.
NBM + global weather models
Updated: 9:00 AM
ZIP codes in Mason City
📮
62642
Mason City
 📮
62664
Mason City
 📮
62666
Mason City
 📮
62671
Mason City
 📮
62682
Mason City
Weather in Mason City
Over the next 10 days Mason City tops out around 91° (Tuesday) and dips to 59° on the coolest night (Saturday). About 0.91 in of precipitation is expected in total; the most likely wet day is Friday (92% chance). Expect a blustery spell — gusts near 31 mph on Wednesday. No active NWS alerts at the moment — quiet on the hazards front. Right now Mason City is about 7° cooler than nearby St. Louis. Longer view: variable mid-latitude weather in every season.
Mason City, IL · Elev 581 ft · 40.20°N, 89.70°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:00 AM