Observed 8:55 PM CDT at KMCW

Plymouth, IA weather

Clear and 55°13°, 20°11° warmer than a typical Oct 24.

Forecasts agree

Now 55°13°

Clear

Wind: 10 mph17 km/h; From the north-northwest. 58–10 mph17 km/h through 9 AM
Dew point: 48°9°; Comfortable
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Pressure: 30.28 inHg1025 hPa; Rising · +0.07 inHg+2.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

9°5° cooler than this time yesterday (64°18° then, 55°13° now)

Good hours for

Low 50°10° tomorrow at 8 AM
Above 60°16° tomorrow by noon
High 66°19° tomorrow at 3 PM
Below 60°16° tomorrow night after 7 PM

TonightDown to 52°11° by 4 AM · Mostly cloudy
Tomorrow morningUp to 59°15° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 66°19° by 3 PM · Mostly cloudy
Tomorrow nightDown to 46°8° by 5 AM · Mostly cloudy
Monday morningUp to 55°13° by 11 AM · Cloudy
Monday afternoonUp to 62°17° by 4 PM · Cloudy
Monday nightDown to 56°13° by 8 PM · rain chance 10% · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 9p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	7 mph11 km/h from NNW, gusts 14 mph23 km/h	70%	82%	0
Sat 10p	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	5%	7 mph11 km/h from NNW, gusts 15 mph23 km/h	72%	91%	0
Sat 11p	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	5%	7 mph11 km/h from NNW, gusts 13 mph21 km/h	75%	82%	0
Sun 12a	Cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	5%	7 mph11 km/h from NNW, gusts 13 mph20 km/h	77%	83%	0
Sun 1a	Cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	5%	7 mph11 km/h from N, gusts 11 mph18 km/h	80%	86%	0
Sun 2a	Cloudy	54°12° (likely 53°12° to 55°13°)	54°12°	5%	6 mph10 km/h from N, gusts 11 mph17 km/h	83%	83%	0
Sun 3a	Cloudy	53°12° (likely 53°12° to 54°12°)	53°12°	5%	5 mph8 km/h from N, gusts 11 mph17 km/h	86%	84%	0
Sun 4a	Cloudy	52°11° (likely 52°11° to 53°12°)	52°11°	5%	5 mph8 km/h from N, gusts 12 mph20 km/h	89%	84%	0
Sun 5a	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	5%	5 mph8 km/h from N, gusts 12 mph19 km/h	86%	88%	0
Sun 6a	Cloudy	51°11° (likely 51°11° to 52°11°)	51°11°	5%	5 mph8 km/h from N, gusts 12 mph19 km/h	89%	88%	0
Sun 7a	Cloudy	51°11° (likely 50°10° to 52°11°)	51°11°	5%	5 mph8 km/h from NNE, gusts 13 mph20 km/h	86%	80%	0
Sun 8a	Cloudy	50°10° (likely 50°10° to 52°11°)	48°9°	5%	5 mph8 km/h from NNE, gusts 12 mph19 km/h	93%	76%	0
Sun 9a	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	5%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	86%	72%	0
Sun 10a	Cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	5%	6 mph10 km/h from NE, gusts 14 mph22 km/h	74%	72%	1
Sun 11a	Cloudy	59°15° (likely 52°11° to 59°15°)	59°15°	5%	6 mph10 km/h from NE, gusts 13 mph21 km/h	67%	75%	2
Sun 12p	Cloudy	62°17° (likely 54°12° to 62°17°)	62°17°	5%	6 mph10 km/h from NE, gusts 13 mph20 km/h	62%	77%	3
Sun 1p	Cloudy	64°18° (likely 55°13° to 65°18°)	64°18°	5%	6 mph10 km/h from NE, gusts 12 mph19 km/h	56%	83%	3
Sun 2p	Cloudy	65°18° (likely 56°13° to 66°19°)	65°18°	5%	6 mph10 km/h from NE, gusts 13 mph21 km/h	54%	87%	4
Sun 3p	Cloudy	66°19° (likely 54°12° to 67°19°)	66°19°	5%	6 mph10 km/h from NNE, gusts 14 mph22 km/h	50%	82%	3
Sun 4p	Cloudy	66°19° (likely 53°12° to 66°19°)	66°19°	5%	7 mph11 km/h from NNE, gusts 14 mph23 km/h	50%	87%	2
Sun 5p	Cloudy	64°18° (likely 52°11° to 64°18°)	64°18°	5%	7 mph11 km/h from NNE, gusts 16 mph25 km/h	50%	89%	1
Sun 6p	Cloudy	63°17° (likely 51°11° to 63°17°)	63°17°	5%	8 mph13 km/h from NNE, gusts 18 mph28 km/h	50%	76%	0
Sun 7p	Cloudy	59°15° (likely 50°10° to 59°15°)	59°15°	0%	8 mph13 km/h from NNE, gusts 18 mph29 km/h	53%	77%	0
Sun 8p	Cloudy	55°13° (likely 49°9° to 55°13°)	55°13°	0%	8 mph13 km/h from NNE, gusts 19 mph31 km/h	59%	79%	0
Sun 9p	Cloudy	53°12° (likely 48°9° to 53°12°)	53°12°	0%	7 mph11 km/h from NNE, gusts 16 mph26 km/h	59%	78%	0
Sun 10p	Cloudy	51°11° (likely 47°8° to 52°11°)	51°11°	0%	7 mph11 km/h from NNE, gusts 16 mph26 km/h	61%	88%	0
Sun 11p	Cloudy	50°10° (likely 47°8° to 51°11°)	47°8°	5%	7 mph11 km/h from NNE, gusts 18 mph28 km/h	61%	79%	0
Mon 12a	Cloudy	49°9° (likely 47°8° to 51°11°)	47°8°	5%	6 mph10 km/h from NE, gusts 18 mph29 km/h	63%	79%	0
Mon 1a	Cloudy	49°9° (likely 46°8° to 51°11°)	47°8°	0%	6 mph10 km/h from NE, gusts 16 mph26 km/h	63%	82%	0
Mon 2a	Cloudy	48°9° (likely 46°8° to 50°10°)	45°7°	0%	6 mph10 km/h from NE, gusts 16 mph26 km/h	65%	80%	0
Mon 3a	Cloudy	48°9° (likely 45°7° to 50°10°)	45°7°	0%	7 mph11 km/h from NE, gusts 16 mph26 km/h	63%	81%	0
Mon 4a	Cloudy	48°9° (likely 45°7° to 50°10°)	45°7°	0%	7 mph11 km/h from NE, gusts 16 mph26 km/h	63%	82%	0
Mon 5a	Cloudy	46°8° (likely 45°7° to 50°10°)	42°6°	0%	7 mph11 km/h from NE, gusts 17 mph28 km/h	68%	86%	0
Mon 6a	Cloudy	46°8° (likely 44°7° to 50°10°)	42°6°	0%	7 mph11 km/h from NE, gusts 19 mph30 km/h	65%	93%	0
Mon 7a	Cloudy	46°8° (likely 44°7° to 49°9°)	42°6°	10%	7 mph11 km/h from ENE, gusts 20 mph32 km/h	63%	97%	0
Mon 8a	Cloudy	45°7° (likely 44°7° to 49°9°)	41°5°	10%	8 mph13 km/h from ENE, gusts 22 mph35 km/h	70%	92%	0
Mon 9a	Cloudy	48°9° (likely 46°8° to 50°10°)	44°7°	10%	9 mph14 km/h from ENE, gusts 22 mph36 km/h	71%	94%	0
Mon 10a	Cloudy	52°11° (likely 47°8° to 52°11°)	52°11°	10%	9 mph14 km/h from ENE, gusts 21 mph34 km/h	66%	94%	1
Mon 11a	Cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	10%	9 mph14 km/h from E, gusts 20 mph33 km/h	61%	88%	1
Mon 12p	Cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	10%	9 mph14 km/h from E, gusts 19 mph30 km/h	59%	97%	2
Mon 1p	Cloudy	59°15° (likely 53°12° to 59°15°)	59°15°	0%	9 mph14 km/h from E, gusts 18 mph29 km/h	55%	94%	2
Mon 2p	Cloudy	60°16° (likely 54°12° to 60°16°)	60°16°	0%	9 mph14 km/h from E, gusts 17 mph27 km/h	53%	100%	2
Mon 3p	Cloudy	61°16° (likely 53°12° to 61°16°)	61°16°	0%	9 mph14 km/h from E, gusts 17 mph28 km/h	53%	86%	2
Mon 4p	Cloudy	62°17° (likely 54°12° to 62°17°)	62°17°	0%	9 mph14 km/h from E, gusts 18 mph29 km/h	52%	93%	2
Mon 5p	Cloudy	61°16° (likely 53°12° to 61°16°)	61°16°	0%	9 mph14 km/h from E, gusts 19 mph31 km/h	53%	97%	1
Mon 6p	Cloudy	60°16° (likely 52°11° to 60°16°)	60°16°	0%	8 mph13 km/h from E, gusts 19 mph30 km/h	55%	92%	0
Mon 7p	Cloudy	58°14° (likely 50°10° to 58°14°)	58°14°	10%	8 mph13 km/h from E, gusts 19 mph30 km/h	60%	95%	0
Mon 8p	Cloudy	56°13° (likely 51°11° to 57°14°)	56°13°	10%	8 mph13 km/h from E, gusts 18 mph28 km/h	64%	93%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 76°24°, low 50°10°. Typical 56°13° / 33°1°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Tonight: Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. North wind around 7 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
76°24°–77°25°
Low, likely
50°10°–56°13°
Typical high / low
56°13° / 33°1°
Wind
17 mph27 km/h, gusts 30 mph47 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 66°19°, low 44°7°. Typical 55°13° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Official NWS forecast
Day: Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. North northeast wind around 7 mph.
Night: Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. Northeast wind around 8 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–67°19°
Low, likely
44°7°–51°11°
Typical high / low
55°13° / 33°1°
Wind
12 mph20 km/h, gusts 22 mph35 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 62°17°, low 47°8°. Typical 54°12° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 62. East northeast wind around 9 mph.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 47. East southeast wind around 10 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–62°17°
Low, likely
45°7°–49°9°
Typical high / low
54°12° / 33°1°
Wind
15 mph24 km/h, gusts 27 mph44 km/h
UV peak
2
Tuesday, Oct 27. Mostly cloudy. High 68°20°, low 51°11°. Typical 54°12° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  40% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Mostly cloudy, with a high near 68. Chance of precipitation is 20%.
Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
50°10°–55°13°
Typical high / low
54°12° / 32°0°
Wind
19 mph30 km/h, gusts 32 mph51 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 72°22°, low 48°9°. Typical 53°12° / 32°0°. Rain 0.18 in4.6 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 58°14°
  30% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  20% chance · 0.1 in2.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Night: A chance of rain showers. Partly cloudy, with a low around 48. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
48°9°–56°13°
Typical high / low
53°12° / 32°0°
Wind
20 mph31 km/h, gusts 34 mph55 km/h
UV peak
4
Thursday, Oct 29. Showers. High 70°21°, low 52°11°. Typical 53°12° / 31°−1°. Rain 0.23 in5.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 55°13°
  30% chance · 0.03 in0.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 1pm. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
45°7°–54°12°
Typical high / low
53°12° / 31°−1°
Wind
12 mph20 km/h, gusts 33 mph53 km/h
UV peak
4
Friday, Oct 30. Showers. High 72°22°, low 53°12°. Typical 52°11° / 31°−1°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 58°14°
  30% chance · 0.04 in0.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 69°21°
  40% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  40% chance · 0.1 in2.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  50% chance · 0.09 in2.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Night: Rain showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–74°23°
Low, likely
49°9°–60°16°
Typical high / low
52°11° / 31°−1°
Wind
22 mph36 km/h, gusts 37 mph60 km/h
UV peak
2
Saturday, Oct 31. Showers. High 67°19°, low 57°14°. Typical 52°11° / 31°−1°. Rain 0.32 in8.1 mm, 70% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  50% chance · 0.1 in2.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  50% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  50% chance · 0.08 in1.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  50% chance · 0.14 in3.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers likely. Mostly cloudy, with a high near 67.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
55°13°–60°16°
Typical high / low
52°11° / 31°−1°
Wind
17 mph28 km/h, gusts 30 mph48 km/h
UV peak
2
Sunday, Nov 1. Drizzle. High 63°17°, low 51°11°. Typical 51°11° / 30°−1°. Rain 0.19 in4.8 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 58°15°
  40% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 55°13°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  20% chance · 0.12 in3.1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–65°18°
Low, likely
40°4°–58°14°
Typical high / low
51°11° / 30°−1°
Wind
18 mph29 km/h, gusts 31 mph50 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 61°16°, low 48°9°. Typical 51°11° / 30°−1°. Rain 0.44 in11 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  30% chance · 0.17 in4.4 mm
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  30% chance · 0.1 in2.5 mm
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  40% chance · 0.01 in0.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–70°21°
Low, likely
33°1°–57°14°
Typical high / low
51°11° / 30°−1°
Wind
22 mph36 km/h, gusts 39 mph62 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 50°.
Tomorrow
Dry, high 66°, low 44°, cooling off.
Monday
Dry, high 62°, low 47°, cooling off.
Rest of week
Highs 61–72°; chance of precipitation on Wednesday, Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DMX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Spring Creek near Mason City US 65

5.0 mi

Level: 80.8 ft
Flow: 17 cfs

Reading from Sat 8:45 PM · NWS gauge page

Winnebago River at Mason City

6.6 mi

Below flood stage

Level: 5.3 ft
Flow: 272 cfs

Reading from Sat 9 PM · NWS gauge page

Willow Creek at Mason City US 18 Bus

10 mi

Level: 85.8 ft

Reading from Sat 8:45 PM · NWS gauge page

Deer Creek near Carpenter

14 mi

Below flood stage

Level: 78.5 ft

Reading from Sat 8:45 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 87% less heating than a typical week.

This week 19Typical 154

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 4
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Sun, 12:00 PM–6:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Mason City Municipal Airport · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

Today’s expected high is 20°11° warmer than typical.

Last 7 days vs normal

On average 10°6° warmer than normal (daily mean temperature).

+5°+3°MonOct 19
+5°+3°TueOct 20
+12°+7°WedOct 21
+15°+8°ThuOct 22
+14°+8°FriOct 23
—SatOct 24
—SunOct 25

Plymouth weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:35–6:33 PM; Morning 7:19–8:17 AM
Blue hour: 6:33–6:44 PM; Morning 7:08–7:19 AM; first light 7:08 AM

Stars tonight? Poor

Clouds most of the night (about 85% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:50 AM · rises 5:14 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Plymouth. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Plymouth, IA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Spring Creek near Mason City US 65

Winnebago River at Mason City

Willow Creek at Mason City US 18 Bus

Deer Creek near Carpenter

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon