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Day 1 Outlook • April 18, 2026
Day 2 Outlook • April 19, 2026
Day 3 Outlook • April 20, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for MASONVILLE, IOWA

Current Conditions: MASONVILLE, IOWA

OELWEN (KOLZ)

Mostly Clear

48.2 F
Humidity:34%
Wind Speed: G 31.1 mph
Barometer:30.02 in
Dewpoint:21.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 18 2026, 05:15 PM CDT
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5 Day Forecast for MASONVILLE, IOWA (50654)

Saturday

High 48 °F
Sunny
Saturday
Night
Low 32 °F
Partly Cloudy
Sunday

High 50 °F
Mostly Cloudy
Sunday
Night
Low 28 °F
Mostly Clear
Monday

High 57 °F
Mostly Sunny
Monday
Night
Low 46 °F
Partly Cloudy
Tuesday

High 75 °F
Mostly Sunny
Tuesday
Night
Low 48 °F
Clear
Wednesday

High 77 °F
Mostly Sunny

Detailed Forecast for MASONVILLE, IOWA (50654)

Saturday
Sunny. High near 48°F. Wind 14 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly Cloudy. Low around 32°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly Cloudy. High near 50°F. Wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly Clear. Low around 28°F. Wind 2 to 9 mph, with gusts as high as 14 mph.
Monday
Mostly Sunny. High near 57°F. Wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly Cloudy. Low around 46°F. Wind 12 to 13 mph, with gusts as high as 22 mph.
Tuesday
Mostly Sunny. High near 75°F. Wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Clear. Low around 48°F. Wind around 6 mph, with gusts as high as 9 mph.
Wednesday
Mostly Sunny. High near 77°F. Wind 10 to 12 mph, with gusts as high as 20 mph.
Wednesday Night
Partly Cloudy. Low around 57°F. Wind around 13 mph, with gusts as high as 21 mph.
Thursday
Chance of Thunderstorms. High near 77°F. Wind 18 to 21 mph, with gusts as high as 30 mph.
Thursday Night
Thunderstorms. Low around 53°F. Wind around 16 mph, with gusts as high as 25 mph.
Friday
Chance of Rain Showers. High near 62°F. Wind 15 to 16 mph, with gusts as high as 24 mph.
Friday Night
Chance of Showers. Low around 39°F. Wind around 12 mph, with gusts as high as 21 mph.
IA Radar
Current Radar • IA
Day 1 Outlook • April 18, 2026

Observation History for MASONVILLE, IOWA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
05:15 PM CDT G 31.1 10.00 Mostly Clear -- 48.2 21.2 34% NA NA 30.02 1016.6
04:55 PM CDT G 34.4 10.00 Clear -- 46.4 19.4 34% NA NA 30.01 1016.3
04:35 PM CDT G 31.1 10.00 Mostly Clear -- 46.4 21.2 37% NA NA 30.01 1016.3
04:15 PM CDT 10.00 NULL -- 46.4 23.0 39% NA NA 30.01 1016.3
03:55 PM CDT G 36.9 10.00 Mostly Clear -- 46.4 21.2 37% NA NA 30.01 1016.3
03:35 PM CDT G 30.0 10.00 Partly Cloudy -- 46.4 23.0 39% NA NA 30.01 1016.3
03:15 PM CDT G 32.2 10.00 Mostly Cloudy -- 44.6 23.0 42% NA NA 30.02 1016.6
02:55 PM CDT G 32.2 10.00 Mostly Cloudy -- 44.6 23.0 42% NA NA 30.03 1016.9
02:35 PM CDT G 31.1 10.00 Mostly Cloudy -- 42.8 23.0 45% NA NA 30.02 1016.6
02:15 PM CDT NW 21.9 G 32.2 10.00 Partly Cloudy and Windy -- 44.6 24.8 45% 36.1 NA 30.02 1016.6
01:55 PM CDT 10.00 NULL -- 41.0 24.8 52% NA NA 30.02 1016.6
01:35 PM CDT G 31.1 10.00 Mostly Cloudy -- 42.8 24.8 49% NA NA 30.02 1016.6
01:15 PM CDT G 32.2 10.00 Partly Cloudy -- 41.0 24.8 52% NA NA 30.01 1016.3
12:55 PM CDT G 32.2 10.00 Mostly Cloudy -- 41.0 24.8 52% NA NA 30.01 1016.3
12:35 PM CDT G 32.2 10.00 Partly Cloudy -- 39.2 24.8 56% NA NA 30.01 1016.3
12:15 PM CDT G 32.2 10.00 Mostly Cloudy -- 39.2 24.8 56% NA NA 30.01 1016.3
11:55 AM CDT NW 23.0 G 33.3 10.00 Mostly Cloudy and Windy -- 39.2 24.8 56% 28.8 NA 30.01 1016.3
11:35 AM CDT G 34.4 10.00 Partly Cloudy -- 39.2 24.8 56% NA NA 30.00 1015.9
10:55 AM CDT 10.00 Mostly Cloudy -- 37.4 23.0 56% NA NA 29.98 1015.2
10:35 AM CDT G 32.2 10.00 Mostly Clear -- 37.4 24.8 60% NA NA 29.98 1015.2
10:15 AM CDT G 33.3 10.00 Mostly Clear -- 35.6 23.0 60% NA NA 29.97 1014.9
09:55 AM CDT G 36.9 10.00 Mostly Cloudy -- 35.6 23.0 60% NA NA 29.97 1014.9
07:55 AM CDT G 30.0 10.00 Clear -- 32.0 23.0 69% NA NA 29.94 1013.6
07:35 AM CDT G 26.4 10.00 Clear -- 32.0 23.0 69% NA NA 29.94 1013.6

Regional Weather Observation

OELWEN (KOLZ)

Mostly Clear
48.2 F

INDEPENDENCE (KIIB)

Clear
47.7 F

MONTICELLO MUNI (KMXO)

Partly Cloudy and Windy
48.2 F

VINTON (KVTI)

Partly Cloudy and Windy
50.4 F

WATERLOO (KALO)

Mostly Clear
50.0 F

PRAIRIE DU CHIEN (KPDC)

Partly Cloudy
46.6 F
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