Weather Tomorrow

Weather Tomorrow for ZIP 50401

Mason City, IA · View full Mason City forecast

Monday, September 21, 2026

58°Low 49°FColdHot
Rain

Precip chance

59%

Wind

6-12 mph

Humidity

96%

Feels like

56–51°F

Rain forecast

Rain likely starts around 9 AM and may continue until 3 PM. Peak chance: 59% around 2 PM.

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

49°Temperature trend58°
TimeTempConditionRain %Wind
5 AM57°FChance Drizzle
26%
9 mph ENE
6 AM57°FSlight Chance Rain Showers
23%
9 mph E
7 AM56°FChance Rain Showers
34%
9 mph E
8 AM55°FChance Rain Showers
30%
10 mph ENE
9 AM54°FChance Rain Showers
51%
10 mph ENE
10 AM51°FChance Rain Showers
51%
10 mph ENE
11 AM51°FChance Rain Showers
51%
12 mph ENE
12 PM51°FChance Rain Showers
43%
10 mph ENE
1 PM49°FChance Rain Showers
33%
10 mph NE
2 PM52°FRain Showers Likely
59%
9 mph ENE
3 PM54°FChance Rain Showers
50%
9 mph ENE
4 PM54°FChance Rain Showers
35%
9 mph ENE
5 PM55°FChance Rain Showers
30%
9 mph ENE
6 PM55°FChance Rain Showers
25%
9 mph ENE
7 PM56°FChance Rain Showers
26%
9 mph ENE
8 PM57°FChance Rain Showers
31%
9 mph ENE
9 PM57°FChance Rain Showers
27%
9 mph ENE
10 PM57°FChance Rain Showers
25%
9 mph ENE
11 PM58°FSlight Chance Rain Showers
21%
8 mph NE
12 AM56°FSlight Chance Rain Showers
15%
7 mph NE
1 AM55°FSlight Chance Rain Showers
15%
7 mph NE
2 AM53°FSlight Chance Rain Showers
15%
7 mph ENE
3 AM52°FSlight Chance Rain Showers
15%
6 mph ENE
4 AM51°FSlight Chance Rain Showers
15%
6 mph ENE

Precipitation Timeline

100%
50%
59%
5a11a5p11p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Mild temperatures — a light layer should do

Clothing

  • T-shirt or long-sleeve
  • Light jacket (for morning/evening)

Footwear

Water-resistant shoes

Accessories

  • Umbrella

Conditions

High: 58°F

Low: 49°F

Wind: 6-12 mph

Rain: 59%

Rain expected around 9 AM — carry an umbrella.

Best Time to Be Outside Tomorrow

9 PM – 10 PM79

Good conditions for being outside (comfortable temp, light wind, daylight)

5a11a5p11p