Observed 12:45 PM CDT at KMIW

Green Mountain, IA weather

Sunny and 73°23°, 18°10° warmer than a typical Oct 24.

Mostly agree

Now 73°23°

Sunny

Wind: 12 mph19 km/h; From the south-southeast. 58–13 mph21 km/h through 1 AM
Dew point: 50°10°; Comfortable
UV index: 4Moderate; Moderate until 4 PM
Pressure: 30.25 inHg1024 hPa; Falling slowly · −0.04 inHg−1.2 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (71°22° then, 71°22° now)

Good hours for

High 76°24° today at 3 PM
Below 70°21° tonight after 7 PM
Low 54°12° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonNear 74°23° · Clear
TonightDown to 55°13° by 5 AM · Mostly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 75°24° by 4 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 4 AM · Mostly cloudy
Monday morningUp to 61°16° by 11 AM · Mostly 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 1p	Sunny	73°23° (likely 71°22° to 75°24°)	73°23°	0%	13 mph21 km/h from S, gusts 19 mph31 km/h	44%	14%	4
Sat 2p	Sunny	75°24° (likely 72°22° to 77°25°)	75°24°	0%	13 mph21 km/h from S, gusts 19 mph30 km/h	41%	10%	4
Sat 3p	Sunny	76°24° (likely 73°23° to 78°26°)	76°24°	0%	13 mph21 km/h from S, gusts 19 mph31 km/h	40%	14%	3
Sat 4p	Mostly sunny	76°24° (likely 73°23° to 77°25°)	76°24°	0%	13 mph21 km/h from S, gusts 19 mph30 km/h	40%	25%	2
Sat 5p	Partly sunny	75°24° (likely 71°22° to 76°24°)	75°24°	0%	10 mph16 km/h from S, gusts 18 mph28 km/h	43%	59%	1
Sat 6p	Partly cloudy	71°22° (likely 67°19° to 72°22°)	71°22°	0%	7 mph11 km/h from S, gusts 14 mph22 km/h	47%	44%	0
Sat 7p	Partly cloudy	67°19° (likely 65°18° to 68°20°)	67°19°	0%	6 mph10 km/h from S, gusts 14 mph22 km/h	56%	70%	0
Sat 8p	Partly cloudy	64°18° (likely 64°18° to 65°18°)	64°18°	0%	5 mph8 km/h from S, gusts 14 mph22 km/h	63%	33%	0
Sat 9p	Partly cloudy	63°17° (likely 63°17° to 64°18°)	63°17°	0%	6 mph10 km/h from S, gusts 14 mph23 km/h	67%	59%	0
Sat 10p	Cloudy	61°16° (likely 61°16° to 63°17°)	61°16°	0%	6 mph10 km/h from S, gusts 13 mph21 km/h	72%	75%	0
Sat 11p	Cloudy	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	72%	77%	0
Sun 12a	Cloudy	59°15° (likely 59°15° to 62°17°)	59°15°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	75%	79%	0
Sun 1a	Cloudy	58°14° (likely 58°14° to 61°16°)	58°14°	0%	5 mph8 km/h from SSE, gusts 11 mph18 km/h	75%	81%	0
Sun 2a	Cloudy	57°14° (likely 57°14° to 60°16°)	57°14°	0%	3 mph5 km/h from ESE, gusts 7 mph11 km/h	77%	79%	0
Sun 3a	Cloudy	57°14° (likely 55°13° to 59°15°)	56°13°	0%	3 mph5 km/h from ESE, gusts 3 mph5 km/h	77%	81%	0
Sun 4a	Cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	3 mph5 km/h from E, gusts 4 mph7 km/h	80%	81%	0
Sun 5a	Cloudy	55°13° (likely 52°11° to 57°14°)	54°12°	0%	2 mph3 km/h from ENE, gusts 5 mph8 km/h	83%	80%	0
Sun 6a	Cloudy	55°13° (likely 50°10° to 55°13°)	54°12°	0%	2 mph3 km/h from E, gusts 9 mph14 km/h	80%	80%	0
Sun 7a	Cloudy	54°12° (likely 49°9° to 54°12°)	54°12°	0%	2 mph3 km/h from ENE, gusts 9 mph15 km/h	83%	80%	0
Sun 8a	Cloudy	54°12° (likely 48°9° to 54°12°)	53°12°	0%	2 mph3 km/h from ENE, gusts 10 mph17 km/h	83%	79%	0
Sun 9a	Cloudy	57°14° (likely 52°11° to 57°14°)	56°13°	0%	2 mph3 km/h from ENE, gusts 12 mph19 km/h	80%	86%	1
Sun 10a	Mostly cloudy	62°17° (likely 57°14° to 62°17°)	61°16°	5%	2 mph3 km/h from E, gusts 9 mph15 km/h	70%	59%	1
Sun 11a	Cloudy	66°19° (likely 60°16° to 66°19°)	65°18°	5%	2 mph3 km/h from E, gusts 9 mph14 km/h	61%	75%	2
Sun 12p	Cloudy	69°21° (likely 64°18° to 69°21°)	68°20°	5%	2 mph3 km/h from ESE, gusts 7 mph12 km/h	57%	77%	3
Sun 1p	Cloudy	72°22° (likely 66°19° to 72°22°)	71°22°	5%	1 mph2 km/h from ESE, gusts 6 mph10 km/h	51%	78%	3
Sun 2p	Cloudy	73°23° (likely 68°20° to 73°23°)	72°22°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	49%	79%	3
Sun 3p	Cloudy	74°23° (likely 68°20° to 74°23°)	73°23°	0%	1 mph2 km/h from SSE, gusts 7 mph12 km/h	46%	78%	3
Sun 4p	Cloudy	75°24° (likely 68°20° to 75°24°)	74°23°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	45%	80%	2
Sun 5p	Cloudy	73°23° (likely 67°19° to 73°23°)	72°22°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	48%	78%	1
Sun 6p	Partly cloudy	71°22° (likely 64°18° to 71°22°)	70°21°	0%	2 mph3 km/h from NE, gusts 10 mph16 km/h	53%	74%	0
Sun 7p	Cloudy	67°19° (likely 61°16° to 67°19°)	66°19°	0%	2 mph3 km/h from NE, gusts 13 mph20 km/h	61%	75%	0
Sun 8p	Cloudy	62°17° (likely 59°15° to 63°17°)	61°16°	0%	3 mph5 km/h from NNE, gusts 14 mph23 km/h	70%	75%	0
Sun 9p	Cloudy	60°16° (likely 58°14° to 62°17°)	59°15°	0%	3 mph5 km/h from NE, gusts 16 mph26 km/h	72%	74%	0
Sun 10p	Cloudy	59°15° (likely 57°14° to 59°15°)	58°14°	0%	5 mph8 km/h from NE, gusts 17 mph27 km/h	75%	75%	0
Sun 11p	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	5 mph8 km/h from NE, gusts 17 mph28 km/h	77%	76%	0
Mon 12a	Cloudy	56°13° (likely 53°12° to 57°14°)	55°13°	0%	5 mph8 km/h from NE, gusts 18 mph30 km/h	77%	79%	0
Mon 1a	Cloudy	55°13° (likely 52°11° to 56°13°)	54°12°	0%	5 mph8 km/h from NE, gusts 18 mph30 km/h	80%	79%	0
Mon 2a	Cloudy	54°12° (likely 51°11° to 56°13°)	53°12°	0%	6 mph10 km/h from NE, gusts 18 mph29 km/h	80%	78%	0
Mon 3a	Cloudy	53°12° (likely 50°10° to 55°13°)	52°11°	0%	6 mph10 km/h from NE, gusts 17 mph28 km/h	80%	74%	0
Mon 4a	Cloudy	52°11° (likely 49°9° to 54°12°)	51°11°	0%	6 mph10 km/h from NE, gusts 18 mph29 km/h	83%	74%	0
Mon 5a	Cloudy	52°11° (likely 49°9° to 53°12°)	47°8°	0%	6 mph10 km/h from NE, gusts 17 mph27 km/h	80%	81%	0
Mon 6a	Cloudy	52°11° (likely 49°9° to 53°12°)	46°8°	0%	6 mph10 km/h from NE, gusts 16 mph26 km/h	74%	87%	0
Mon 7a	Cloudy	51°11° (likely 50°10° to 53°12°)	46°8°	0%	6 mph10 km/h from ENE, gusts 16 mph26 km/h	78%	86%	0
Mon 8a	Cloudy	50°10° (likely 48°9° to 54°12°)	51°11°	0%	6 mph10 km/h from ENE, gusts 12 mph20 km/h	79%	81%	0
Mon 9a	Cloudy	53°12° (likely 50°10° to 56°13°)	54°12°	0%	6 mph10 km/h from ENE, gusts 14 mph22 km/h	74%	86%	0
Mon 10a	Cloudy	58°14° (likely 53°12° to 59°15°)	57°14°	0%	7 mph11 km/h from E, gusts 14 mph23 km/h	67%	86%	1
Mon 11a	Cloudy	61°16° (likely 56°13° to 62°17°)	60°16°	0%	7 mph11 km/h from E, gusts 14 mph22 km/h	62%	82%	2
Mon 12p	Cloudy	64°18° (likely 59°15° to 65°18°)	62°17°	0%	6 mph10 km/h from E, gusts 14 mph22 km/h	58%	86%	3

Days ahead

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

Today, Oct 24. Cloudy. High 76°24°, low 54°12°. Typical 58°14° / 36°2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
2. Evening
  6 PM–midnight
  Partly cloudy, 64°18°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 76. South wind around 13 mph, with gusts as high as 20 mph.
Tonight: Mostly cloudy, with a low around 54. East southeast wind 2 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–78°26°
Low, likely
54°12°–57°14°
Typical high / low
58°14° / 36°2°
Wind
15 mph23 km/h, gusts 24 mph38 km/h
UV peak
4
Tomorrow, Oct 25. Mostly cloudy. High 74°23°, low 49°9°. Typical 57°14° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 74. East wind around 2 mph.
Night: Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. Northeast wind 2 to 6 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–74°23°
Low, likely
48°9°–53°12°
Typical high / low
57°14° / 35°2°
Wind
14 mph22 km/h, gusts 24 mph39 km/h
UV peak
3
Monday, Oct 26. Mostly cloudy. High 67°19°, low 49°9°. Typical 57°14° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 67. East wind around 7 mph.
Night: Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 67°19°).
High, likely
67°19°–71°22°
Low, likely
49°9°–53°12°
Typical high / low
57°14° / 35°2°
Wind
13 mph21 km/h, gusts 24 mph39 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 68°20°, low 52°11°. Typical 56°13° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 68.
Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–71°22°
Low, likely
52°11°–55°13°
Typical high / low
56°13° / 34°1°
Wind
18 mph28 km/h, gusts 27 mph44 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 70°21°, low 47°8°. Typical 56°13° / 34°1°. Rain 0.11 in2.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 60°16°
  30% chance · 0.16 in4 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 70. Chance of precipitation is 30%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
47°8°–60°16°
Typical high / low
56°13° / 34°1°
Wind
15 mph25 km/h, gusts 34 mph54 km/h
UV peak
2
Thursday, Oct 29. Showers. High 67°19°, low 47°8°. Typical 55°13° / 34°1°. Rain 0.19 in4.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  30% chance · 0.05 in1.2 mm
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Mostly sunny, with a high near 67.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
47°8°–58°14°
Typical high / low
55°13° / 34°1°
Wind
13 mph20 km/h, gusts 30 mph48 km/h
UV peak
2
Friday, Oct 30. Showers. High 66°19°, low 47°8°. Typical 55°13° / 33°1°. Rain 0.13 in3.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  20% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 72°22°
  20% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Cloudy, 68°20°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 62°17°
  40% chance · 0.02 in0.5 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 66. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–75°24°
Low, likely
47°8°–62°17°
Typical high / low
55°13° / 33°1°
Wind
19 mph31 km/h, gusts 32 mph52 km/h
UV peak
2
Saturday, Oct 31. Rain. High 66°19°, low 58°14°. Typical 54°12° / 33°1°. Rain 0.48 in12 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  40% chance · 0.08 in2.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  50% chance · 0.12 in3.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  50% chance · 0.21 in5.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  50% chance · 0.15 in3.9 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
62°17°–72°22°
Low, likely
57°14°–59°15°
Typical high / low
54°12° / 33°1°
Wind
19 mph31 km/h, gusts 33 mph54 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 62°17°, low 48°9°. Typical 54°12° / 32°0°. Rain 0.42 in11 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  30% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 51°11°
  30% chance · 0.13 in3.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 46°8°
  30% chance · 0.06 in1.5 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
59°15°–66°19°
Low, likely
42°6°–60°16°
Typical high / low
54°12° / 32°0°
Wind
23 mph37 km/h, gusts 33 mph53 km/h
UV peak
1
Monday, Nov 2. Drizzle. High 55°13°, low 45°7°. Typical 53°12° / 32°0°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 47°8°
  30% chance · 0.1 in2.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 54°12°
  30% chance · 0.03 in0.9 mm
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  30% chance
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
49°9°–66°19°
Low, likely
33°1°–61°16°
Typical high / low
53°12° / 32°0°
Wind
27 mph43 km/h, gusts 49 mph78 km/h

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 54°.
Tomorrow
Dry, high 74°, low 49°.
Monday
Dry, high 67°, low 49°, cooling off.
Rest of week
Highs 55–70°; chance of precipitation on 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

Iowa River at Marshalltown

5.2 mi

Below flood stage

Level: 12.1 ft
Flow: 1,720 cfs

Reading from Sat 12 PM · NWS gauge page

Timber Creek near Marshalltown

6.6 mi

Below flood stage

Level: 3.4 ft
Flow: 112 cfs

Reading from Sat 12 PM · NWS gauge page

Iowa River near Tama Hwy E49

13 mi

Below flood stage

Level: 5.7 ft
Flow: 2,110 cfs

Reading from Sat 12 PM · NWS gauge page

Iowa River near Tama US 63

16 mi

Below flood stage

Level: 11.3 ft
Flow: 1,610 cfs

Reading from Sat 12 PM · NWS gauge page

For your home

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

Heating this week

About 92% less heating than a typical week.

This week 11Typical 138

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 50°F).

Open the windows?

Today, 2:00 PM–11:00 PM

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

Is this typical?

MARSHALLTOWN · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 18°10° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Green Mountain weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 41 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 35 min less
Golden hour: 5:36–6:33 PM; Morning 7:16–8:13 AM
Blue hour: 6:33–6:44 PM; Morning 7:05–7:16 AM; first light 7:05 AM

Stars tonight? Poor

Clouds most of the night (about 71% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:48 AM · rises 5:14 PM
Full moon: Oct 25
New moon: Nov 9

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

Green Mountain, IA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Iowa River at Marshalltown

Timber Creek near Marshalltown

Iowa River near Tama Hwy E49

Iowa River near Tama US 63

For your home

Heating this week

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