Observed 9:15 AM CDT at KSLB

Sac City, IA weather

Sunny and 63°17°, 20°11° warmer than a typical Oct 24.

Forecasts agree

Now 63°17°

Sunny

Wind: 15 mph24 km/h; From the south. Easing to 5 mph8 km/h by 5 PM
Dew point: 48°9°; Comfortable
UV index: 1Low; Moderate 12–3 PM · peak 3
Pressure: 30.17 inHg1022 hPa; Rising slowly · +0.04 inHg+1.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° warmer than this time yesterday (57°14° then, 63°17° now)

Good hours for

High 73°23° today at 3 PM
Below 60°16° tonight after 9 PM
Low 50°10° tomorrow at 8 AM
Above 60°16° tomorrow by noon

This morningNear 65°18° · Clear
This afternoonUp to 73°23° by 3 PM · Partly cloudy
TonightDown to 51°11° by 5 AM · Mostly cloudy
Tomorrow morningUp to 59°15° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 68°20° by 4 PM · Mostly cloudy
Tomorrow nightDown to 46°8° by 5 AM · rain chance 20% · Mostly cloudy
Monday morningUp to 50°10° by 9 AM · rain chance 30% · 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 10a	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	12 mph19 km/h from S, gusts 23 mph37 km/h	65%	11%	1
Sat 11a	Sunny	66°19° (likely 66°19° to 68°20°)	66°19°	0%	13 mph21 km/h from SSW, gusts 25 mph40 km/h	58%	17%	2
Sat 12p	Sunny	69°21° (likely 69°21° to 71°22°)	69°21°	0%	12 mph19 km/h from SSW, gusts 21 mph34 km/h	53%	27%	3
Sat 1p	Mostly sunny	72°22° (likely 72°22° to 74°23°)	72°22°	0%	12 mph19 km/h from SW, gusts 18 mph29 km/h	48%	20%	3
Sat 2p	Partly sunny	72°22° (likely 72°22° to 75°24°)	72°22°	0%	9 mph14 km/h from SW, gusts 16 mph25 km/h	48%	43%	3
Sat 3p	Partly sunny	73°23° (likely 73°23° to 75°24°)	73°23°	0%	8 mph13 km/h from WSW, gusts 14 mph23 km/h	48%	52%	2
Sat 4p	Cloudy	72°22° (likely 72°22° to 75°24°)	72°22°	0%	6 mph10 km/h from WSW, gusts 12 mph19 km/h	49%	63%	1
Sat 5p	Partly sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	51%	36%	1
Sat 6p	Partly cloudy	71°22° (likely 66°19° to 71°22°)	71°22°	5%	2 mph3 km/h from WNW, gusts 11 mph18 km/h	53%	43%	0
Sat 7p	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	5%	2 mph3 km/h from NNW, gusts 12 mph20 km/h	61%	77%	0
Sat 8p	Cloudy	61°16° (likely 59°15° to 64°18°)	61°16°	5%	3 mph5 km/h from N, gusts 15 mph23 km/h	72%	84%	0
Sat 9p	Cloudy	59°15° (likely 56°13° to 61°16°)	59°15°	5%	3 mph5 km/h from N, gusts 16 mph26 km/h	75%	79%	0
Sat 10p	Cloudy	57°14° (likely 54°12° to 59°15°)	57°14°	5%	5 mph8 km/h from N, gusts 17 mph27 km/h	80%	79%	0
Sat 11p	Cloudy	56°13° (likely 52°11° to 58°14°)	56°13°	5%	5 mph8 km/h from N, gusts 15 mph25 km/h	80%	79%	0
Sun 12a	Cloudy	55°13° (likely 51°11° to 56°13°)	55°13°	5%	5 mph8 km/h from NNE, gusts 15 mph23 km/h	80%	80%	0
Sun 1a	Cloudy	54°12° (likely 50°10° to 55°13°)	54°12°	5%	3 mph5 km/h from NNE, gusts 15 mph24 km/h	83%	81%	0
Sun 2a	Cloudy	53°12° (likely 50°10° to 54°12°)	53°12°	5%	3 mph5 km/h from NNE, gusts 15 mph24 km/h	83%	80%	0
Sun 3a	Cloudy	53°12° (likely 49°9° to 53°12°)	53°12°	5%	3 mph5 km/h from NNE, gusts 15 mph24 km/h	83%	80%	0
Sun 4a	Cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	5%	5 mph8 km/h from NNE, gusts 14 mph23 km/h	86%	80%	0
Sun 5a	Cloudy	51°11° (likely 48°9° to 51°11°)	51°11°	5%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	86%	83%	0
Sun 6a	Cloudy	51°11° (likely 48°9° to 51°11°)	51°11°	5%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	86%	83%	0
Sun 7a	Cloudy	51°11° (likely 48°9° to 51°11°)	51°11°	5%	5 mph8 km/h from NE, gusts 14 mph23 km/h	86%	81%	0
Sun 8a	Cloudy	50°10° (likely 47°8° to 51°11°)	48°9°	5%	5 mph8 km/h from NE, gusts 13 mph21 km/h	86%	83%	0
Sun 9a	Cloudy	52°11° (likely 49°9° to 53°12°)	52°11°	0%	5 mph8 km/h from NE, gusts 15 mph24 km/h	80%	77%	0
Sun 10a	Cloudy	56°13° (likely 50°10° to 56°13°)	56°13°	0%	5 mph8 km/h from NE, gusts 16 mph25 km/h	74%	75%	1
Sun 11a	Mostly cloudy	59°15° (likely 53°12° to 59°15°)	59°15°	0%	5 mph8 km/h from NE, gusts 15 mph24 km/h	67%	64%	2
Sun 12p	Cloudy	61°16° (likely 55°13° to 62°17°)	61°16°	0%	5 mph8 km/h from NE, gusts 14 mph22 km/h	62%	78%	3
Sun 1p	Cloudy	64°18° (likely 57°14° to 65°18°)	64°18°	0%	5 mph8 km/h from ENE, gusts 12 mph19 km/h	58%	78%	4
Sun 2p	Cloudy	66°19° (likely 59°15° to 67°19°)	66°19°	0%	3 mph5 km/h from ENE, gusts 12 mph19 km/h	52%	69%	4
Sun 3p	Cloudy	66°19° (likely 58°14° to 68°20°)	66°19°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	52%	66%	4
Sun 4p	Cloudy	68°20° (likely 58°14° to 68°20°)	68°20°	0%	5 mph8 km/h from ENE, gusts 14 mph23 km/h	49%	65%	3
Sun 5p	Cloudy	66°19° (likely 57°14° to 68°20°)	66°19°	0%	5 mph8 km/h from NE, gusts 16 mph26 km/h	50%	67%	1
Sun 6p	Cloudy	65°18° (likely 55°13° to 65°18°)	65°18°	0%	6 mph10 km/h from NE, gusts 16 mph26 km/h	50%	73%	0
Sun 7p	Cloudy	61°16° (likely 53°12° to 62°17°)	61°16°	5%	6 mph10 km/h from NE, gusts 17 mph27 km/h	56%	78%	0
Sun 8p	Cloudy	55°13° (likely 51°11° to 60°16°)	55°13°	5%	7 mph11 km/h from NE, gusts 19 mph31 km/h	64%	81%	0
Sun 9p	Cloudy	52°11° (likely 49°9° to 57°14°)	52°11°	5%	7 mph11 km/h from NE, gusts 20 mph33 km/h	69%	79%	0
Sun 10p	Cloudy	52°11° (likely 49°9° to 54°12°)	52°11°	5%	7 mph11 km/h from NE, gusts 21 mph34 km/h	66%	78%	0
Sun 11p	Cloudy	51°11° (likely 49°9° to 52°11°)	51°11°	5%	7 mph11 km/h from NE, gusts 22 mph36 km/h	68%	80%	0
Mon 12a	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	5%	6 mph10 km/h from NE, gusts 22 mph35 km/h	66%	85%	0
Mon 1a	Cloudy	50°10° (likely 48°9° to 51°11°)	48°9°	20%	6 mph10 km/h from NE, gusts 21 mph34 km/h	68%	88%	0
Mon 2a	Cloudy	49°9° (likely 47°8° to 52°11°)	47°8°	20%	6 mph10 km/h from NE, gusts 23 mph37 km/h	71%	92%	0
Mon 3a	Cloudy	48°9° (likely 46°8° to 51°11°)	45°7°	20%	6 mph10 km/h from NE, gusts 21 mph34 km/h	71%	88%	0
Mon 4a	Cloudy	47°8° (likely 45°7° to 51°11°)	44°7°	20%	6 mph10 km/h from NE, gusts 22 mph35 km/h	74%	90%	0
Mon 5a	Cloudy	46°8° (likely 46°8° to 51°11°)	43°6°	20%	6 mph10 km/h from NE, gusts 20 mph33 km/h	76%	91%	0
Mon 6a	Cloudy	46°8° (likely 46°8° to 50°10°)	42°6°	20%	7 mph11 km/h from ENE, gusts 23 mph36 km/h	76%	90%	0
Mon 7a	Cloudy	46°8° (likely 46°8° to 50°10°)	42°6°	30%	7 mph11 km/h from ENE, gusts 23 mph38 km/h	79%	93%	0
Mon 8a	Cloudy	48°9° (likely 46°8° to 50°10°)	45°7°	30%	7 mph11 km/h from ENE, gusts 17 mph28 km/h	77%	85%	0
Mon 9a	Cloudy	50°10° (likely 47°8° to 52°11°)	47°8°	30%	7 mph11 km/h from E, gusts 19 mph30 km/h	77%	82%	0

Days ahead

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

Today, Oct 24. Cloudy. High 77°25°, low 49°9°. Typical 57°14° / 34°1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 66°19°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 77, with temperatures falling to around 72 in the afternoon. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Tonight: Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. North wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
74°23°–77°25°
Low, likely
49°9°–57°14°
Typical high / low
57°14° / 34°1°
Wind
14 mph22 km/h, gusts 27 mph43 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 68°20°, low 45°7°. Typical 57°14° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  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 68, with temperatures falling to around 66 in the afternoon. Northeast wind around 5 mph.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 45. Northeast wind around 7 mph. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–68°20°
Low, likely
45°7°–51°11°
Typical high / low
57°14° / 33°1°
Wind
13 mph20 km/h, gusts 25 mph41 km/h
UV peak
4
Monday, Oct 26. Showers. High 62°17°, low 48°9°. Typical 56°13° / 33°1°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°16°
  20% chance · 0.05 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 62. East wind around 7 mph. Chance of precipitation is 30%.
Night: Rain showers likely. Cloudy, with a low around 48. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–70°21°
Low, likely
46°8°–50°10°
Typical high / low
56°13° / 33°1°
Wind
14 mph22 km/h, gusts 29 mph47 km/h
UV peak
3
Tuesday, Oct 27. Showers. High 65°18°, low 50°10°. Typical 56°13° / 32°0°. Rain 0.09 in2.3 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  20% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  30% chance · 0.01 in0.3 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 65. Chance of precipitation is 50%.
Night: A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
50°10°–57°14°
Typical high / low
56°13° / 32°0°
Wind
17 mph27 km/h, gusts 34 mph54 km/h
UV peak
1
Wednesday, Oct 28. Drizzle. High 67°19°, low 43°6°. Typical 55°13° / 32°0°. Rain 0.14 in3.6 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  20% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  20% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Night: A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
43°6°–58°14°
Typical high / low
55°13° / 32°0°
Wind
15 mph24 km/h, gusts 34 mph55 km/h
UV peak
3
Thursday, Oct 29. Showers. High 66°19°, low 47°8°. Typical 54°12° / 32°0°. Rain 0.09 in2.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 7am. Mostly sunny, with a high near 66.
Night: A chance of rain showers. Partly cloudy, with a low around 47. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–72°22°
Low, likely
44°7°–57°14°
Typical high / low
54°12° / 32°0°
Wind
13 mph21 km/h, gusts 28 mph45 km/h
UV peak
1
Friday, Oct 30. Showers. High 65°18°, low 46°8°. Typical 54°12° / 31°−1°. Rain 0.14 in3.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  30% chance · 0.06 in1.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  40% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°17°
  50% chance · 0.05 in1.3 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 65. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–74°23°
Low, likely
46°8°–61°16°
Typical high / low
54°12° / 31°−1°
Wind
16 mph25 km/h, gusts 31 mph50 km/h
UV peak
1
Saturday, Oct 31. Showers. High 66°19°, low 59°15°. Typical 53°12° / 31°−1°. Rain 0.22 in5.6 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  50% chance
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  60% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  60% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  50% chance · 0.02 in0.6 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
61°16°–74°23°
Low, likely
53°12°–66°19°
Typical high / low
53°12° / 31°−1°
Wind
18 mph30 km/h, gusts 36 mph58 km/h
Sunday, Nov 1. Showers. High 62°17°, low 50°10°. Typical 53°12° / 30°−1°. Rain 0.37 in9.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  30% chance · 0.18 in4.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  30% chance · 0.13 in3.4 mm
3. Evening
  6 PM–midnight
  Showers, 55°13°
  20% chance · 0.12 in3.1 mm
4. Overnight
  midnight–6 AM
  Showers, 49°10°
  20% chance · 0.04 in0.9 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
55°13°–69°21°
Low, likely
46°8°–60°16°
Typical high / low
53°12° / 30°−1°
Wind
18 mph28 km/h, gusts 29 mph47 km/h
Monday, Nov 2. Showers. High 60°16°, low 49°9°. Typical 52°11° / 30°−1°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  30% chance · 0.07 in1.8 mm
3. Evening
  6 PM–midnight
  Clear, 54°12°
  30% chance · 0.02 in0.6 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
54°12°–69°21°
Low, likely
43°6°–60°16°
Typical high / low
52°11° / 30°−1°
Wind
28 mph46 km/h, gusts 48 mph78 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 49°.
Tomorrow
Dry, high 68°, low 45°, cooling off.
Monday
Dry, high 62°, low 48°, cooling off.
Rest of week
Highs 60–67°; chance of precipitation on Tuesday, Friday, 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

North Raccoon River near Sac City

4.7 mi

Below flood stage

Level: 8.2 ft
Flow: 334 cfs

Reading from Sat 9:15 AM · NWS gauge page

Black Hawk Lake at Lake View

8.5 mi

Level: 8.1 ft

Reading from Sat 8:15 AM · NWS gauge page

Storm Lake at Storm Lake

17 mi

Level: 13.4 ft

Reading from Sat 9 AM · NWS gauge page

North Raccoon River near Lanesboro

22 mi

Below flood stage

Level: 10.2 ft
Flow: 1,050 cfs

Reading from Sat 8:15 AM · NWS gauge page

For your home

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

Heating this week

About 89% less heating than a typical week.

This week 17Typical 147

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?

Today, 11:00 AM–8:00 PM

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

Is this typical?

Sac City · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 1°0° warmer than normal (daily mean temperature).

−5°−3°SunOct 18
+1°MonOct 19
±0°TueOct 20
—WedOct 21
+7°+4°ThuOct 22
—FriOct 23
—SatOct 24

Sac City weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 5:44–6:41 PM; Morning 7:26–8:22 AM
Blue hour: 6:41–6:52 PM; Morning 7:15–7:26 AM; first light 7:15 AM

Stars tonight? Poor

Clouds most of the night (about 78% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:57 AM · rises 5:22 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Sac City. The highest point on the skyline is about 2,100 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.