Observed 5:35 PM CDT at KDSM

Altoona, IA weather

Sunny and 75°24°, 20°11° warmer than a typical Oct 24.

Mostly agree

Now 75°24°

Sunny

Wind: 9 mph15 km/h; From the south. Up to 9 mph15 km/h through 5 AM
Dew point: 48°9°; Comfortable
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Air quality: 77Moderate; Main pollutant: Ozone
Pressure: 30.22 inHg1023 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 70°21° tonight after 7 PM
Low 55°13° tomorrow at 7 AM
Above 70°21° tomorrow by noon

TonightDown to 57°14° by 5 AM · Partly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 76°24° by 4 PM · Mostly cloudy
Tomorrow nightDown to 55°13° by 5 AM · Mostly cloudy
Monday morningUp to 63°17° by 11 AM · Mostly cloudy
Monday afternoonUp to 73°23° by 3 PM · 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 5p	Sunny	78°26° (likely 72°22° to 78°26°)	78°26°	0%	6 mph10 km/h from S, gusts 18 mph29 km/h	37%	2%	1
Sat 6p	Clear	73°23° (likely 69°21° to 75°24°)	73°23°	0%	6 mph10 km/h from S, gusts 15 mph23 km/h	46%	7%	0
Sat 7p	Clear	68°20° (likely 66°19° to 70°21°)	68°20°	0%	6 mph10 km/h from S, gusts 14 mph22 km/h	54%	12%	0
Sat 8p	Partly cloudy	66°19° (likely 65°18° to 67°19°)	66°19°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	61%	29%	0
Sat 9p	Partly cloudy	64°18° (likely 64°18° to 65°18°)	64°18°	0%	6 mph10 km/h from S, gusts 13 mph20 km/h	65%	38%	0
Sat 10p	Cloudy	63°17° (likely 62°17° to 64°18°)	63°17°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	67%	78%	0
Sat 11p	Cloudy	61°16° (likely 61°16° to 63°17°)	61°16°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	72%	80%	0
Sun 12a	Cloudy	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	75%	81%	0
Sun 1a	Cloudy	59°15° (likely 59°15° to 61°16°)	59°15°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	78%	80%	0
Sun 2a	Cloudy	59°15° (likely 57°14° to 59°15°)	59°15°	0%	3 mph5 km/h from SSE, gusts 6 mph9 km/h	75%	80%	0
Sun 3a	Cloudy	58°14° (likely 56°13° to 58°14°)	58°14°	0%	3 mph5 km/h from SSE, gusts 5 mph7 km/h	77%	81%	0
Sun 4a	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	0%	2 mph3 km/h from SSE, gusts 4 mph6 km/h	77%	81%	0
Sun 5a	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	77%	67%	0
Sun 6a	Mostly cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	0%	2 mph3 km/h from ESE, gusts 7 mph12 km/h	80%	58%	0
Sun 7a	Mostly cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	2 mph3 km/h from ESE, gusts 7 mph11 km/h	83%	59%	0
Sun 8a	Partly sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	2 mph3 km/h from E, gusts 9 mph15 km/h	83%	68%	0
Sun 9a	Cloudy	58°14° (likely 54°12° to 58°14°)	58°14°	0%	2 mph3 km/h from E, gusts 10 mph16 km/h	80%	77%	0
Sun 10a	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	2 mph3 km/h from ESE, gusts 7 mph12 km/h	72%	79%	1
Sun 11a	Cloudy	66°19° (likely 62°17° to 66°19°)	66°19°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	63%	81%	2
Sun 12p	Cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	0%	2 mph3 km/h from SSE, gusts 5 mph8 km/h	57%	81%	3
Sun 1p	Cloudy	73°23° (likely 66°19° to 73°23°)	73°23°	0%	2 mph3 km/h from SSE, gusts 5 mph7 km/h	51%	81%	4
Sun 2p	Cloudy	74°23° (likely 69°21° to 74°23°)	74°23°	0%	2 mph3 km/h from SSE, gusts 5 mph8 km/h	50%	80%	4
Sun 3p	Cloudy	75°24° (likely 70°21° to 75°24°)	75°24°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	48%	65%	3
Sun 4p	Cloudy	76°24° (likely 70°21° to 76°24°)	76°24°	0%	2 mph3 km/h from SSE, gusts 7 mph11 km/h	46%	80%	2
Sun 5p	Cloudy	75°24° (likely 69°21° to 75°24°)	75°24°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	48%	81%	1
Sun 6p	Cloudy	73°23° (likely 66°19° to 73°23°)	73°23°	0%	2 mph3 km/h from ENE, gusts 6 mph9 km/h	51%	81%	0
Sun 7p	Partly cloudy	69°21° (likely 63°17° to 69°21°)	69°21°	0%	3 mph5 km/h from ENE, gusts 7 mph11 km/h	59%	75%	0
Sun 8p	Cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	0%	3 mph5 km/h from NE, gusts 9 mph14 km/h	68%	75%	0
Sun 9p	Cloudy	63°17° (likely 60°16° to 63°17°)	63°17°	0%	3 mph5 km/h from ESE, gusts 13 mph21 km/h	72%	79%	0
Sun 10p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	3 mph5 km/h from ESE, gusts 15 mph24 km/h	72%	80%	0
Sun 11p	Cloudy	60°16° (likely 57°14° to 61°16°)	60°16°	0%	3 mph5 km/h from ESE, gusts 16 mph25 km/h	78%	80%	0
Mon 12a	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	3 mph5 km/h from E, gusts 16 mph25 km/h	78%	79%	0
Mon 1a	Cloudy	58°14° (likely 54°12° to 58°14°)	58°14°	0%	3 mph5 km/h from ENE, gusts 16 mph25 km/h	80%	77%	0
Mon 2a	Cloudy	57°14° (likely 53°12° to 57°14°)	57°14°	0%	3 mph5 km/h from ENE, gusts 14 mph22 km/h	80%	83%	0
Mon 3a	Cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	3 mph5 km/h from NE, gusts 13 mph21 km/h	80%	86%	0
Mon 4a	Cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	0%	5 mph8 km/h from ENE, gusts 13 mph21 km/h	80%	80%	0
Mon 5a	Cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	0%	5 mph8 km/h from ENE, gusts 14 mph23 km/h	80%	84%	0
Mon 6a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	5 mph8 km/h from ENE, gusts 13 mph22 km/h	83%	83%	0
Mon 7a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	5 mph8 km/h from ENE, gusts 15 mph24 km/h	80%	83%	0
Mon 8a	Cloudy	53°12° (likely 49°9° to 53°12°)	53°12°	0%	6 mph10 km/h from ENE, gusts 16 mph25 km/h	83%	83%	0
Mon 9a	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	6 mph10 km/h from E, gusts 19 mph30 km/h	80%	80%	0
Mon 10a	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	6 mph10 km/h from E, gusts 17 mph27 km/h	75%	80%	1
Mon 11a	Cloudy	63°17° (likely 58°14° to 63°17°)	63°17°	0%	6 mph10 km/h from E, gusts 14 mph23 km/h	67%	77%	2
Mon 12p	Partly sunny	67°19° (likely 61°16° to 67°19°)	67°19°	0%	6 mph10 km/h from ESE, gusts 14 mph22 km/h	59%	65%	3
Mon 1p	Cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	0%	6 mph10 km/h from ESE, gusts 11 mph18 km/h	53%	76%	3
Mon 2p	Mostly cloudy	72°22° (likely 66°19° to 72°22°)	72°22°	0%	6 mph10 km/h from ESE, gusts 12 mph20 km/h	49%	75%	3
Mon 3p	Mostly cloudy	73°23° (likely 68°20° to 73°23°)	73°23°	0%	7 mph11 km/h from SE, gusts 13 mph21 km/h	48%	78%	3
Mon 4p	Partly sunny	73°23° (likely 68°20° to 73°23°)	73°23°	0%	7 mph11 km/h from SE, gusts 14 mph22 km/h	48%	74%	2

Days ahead

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

Today, Oct 24. Cloudy. High 79°26°, low 55°13°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Partly cloudy, 66°19°
  Dry
2. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Official NWS forecast
Today: Sunny, with a high near 79. South wind around 6 mph.
Tonight: Partly cloudy. Low around 55, with temperatures rising to around 57 overnight. South southeast wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–79°26°
Low, likely
55°13°–57°14°
Typical high / low
59°15° / 40°4°
Wind
12 mph20 km/h, gusts 23 mph37 km/h
UV peak
4
Tomorrow, Oct 25. Mostly cloudy. High 76°24°, low 53°12°. Typical 59°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 76. Southeast wind around 2 mph.
Night: Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. East northeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–76°24°
Low, likely
51°11°–54°12°
Typical high / low
59°15° / 39°4°
Wind
12 mph19 km/h, gusts 23 mph37 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 73°23°, low 56°13°. Typical 58°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 73. East wind around 7 mph.
Night: Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–73°23°
Low, likely
49°9°–56°13°
Typical high / low
58°14° / 39°4°
Wind
12 mph19 km/h, gusts 24 mph38 km/h
UV peak
3
Tuesday, Oct 27. Cloudy. High 72°22°, low 57°14°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 72.
Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–72°22°
Low, likely
57°14°–59°15°
Typical high / low
58°14° / 38°3°
Wind
13 mph22 km/h, gusts 30 mph48 km/h
UV peak
2
Wednesday, Oct 28. Showers. High 74°23°, low 56°13°. Typical 57°14° / 38°3°. Rain 0.12 in3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  20% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Showers, 65°18°
  30% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Showers, 59°15°
  30% chance · 0.16 in4.2 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 74.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 56. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
55°13°–61°16°
Typical high / low
57°14° / 38°3°
Wind
14 mph23 km/h, gusts 35 mph56 km/h
UV peak
4
Thursday, Oct 29. Showers. High 74°23°, low 59°15°. Typical 57°14° / 38°3°. Rain 0.2 in5.1 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  30% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 61°16°
  20% chance · 0.06 in1.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 50%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 59.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–74°23°
Low, likely
54°12°–60°16°
Typical high / low
57°14° / 38°3°
Wind
12 mph20 km/h, gusts 29 mph47 km/h
UV peak
3
Friday, Oct 30. Showers. High 75°24°, low 58°14°. Typical 56°13° / 37°3°. Rain 0.18 in4.6 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°16°
  30% chance · 0.06 in1.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 74°23°
  30% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 69°20°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 63°17°
  40% chance · 0.04 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Partly sunny, with a high near 75.
Night: A chance of rain showers. Mostly cloudy, with a low around 58.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
71°22°–78°26°
Low, likely
56°13°–65°18°
Typical high / low
56°13° / 37°3°
Wind
20 mph31 km/h, gusts 33 mph53 km/h
UV peak
2
Saturday, Oct 31. Rain. High 67°19°, low 58°14°. Typical 56°13° / 37°3°. Rain 0.48 in12 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  50% chance · 0.17 in4.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  50% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  50% chance · 0.13 in3.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  50% chance · 0.14 in3.6 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
63°17°–73°23°
Low, likely
58°14°–59°15°
Typical high / low
56°13° / 37°3°
Wind
17 mph28 km/h, gusts 35 mph57 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 64°18°, low 51°11°. Typical 55°13° / 36°2°. Rain 0.48 in12 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  30% chance · 0.17 in4.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  30% chance · 0.11 in2.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 47°8°
  30% chance · 0.18 in4.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
42°6°–58°14°
Typical high / low
55°13° / 36°2°
Wind
22 mph35 km/h, gusts 31 mph49 km/h
UV peak
1
Monday, Nov 2. Drizzle. High 59°15°, low 47°8°. Typical 55°13° / 36°2°. Rain 0.46 in12 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 49°9°
  30% chance · 0.2 in5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  30% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Clear, 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
50°10°–75°24°
Low, likely
34°1°–59°15°
Typical high / low
55°13° / 36°2°
Wind
27 mph44 km/h, gusts 49 mph79 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 79°, low 55°.
Tomorrow
Dry, high 76°, low 53°, cooling off.
Monday
Dry, high 73°, low 56°, cooling off.
Rest of week
Highs 59–75°; chance of precipitation on Thursday, 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

Fourmile Creek at Des Moines Easton Blvd

4.2 mi

Below flood stage

Level: 4.2 ft
Flow: 151 cfs

Reading from Sat 4:45 PM · NWS gauge page

Fourmile Creek near Ankeny NE 86th Ave

6.5 mi

Below flood stage

Level: 2.5 ft
Flow: 80 cfs

Reading from Sat 4:47 PM · NWS gauge page

Des Moines River at Des Moines 2nd Ave

7.7 mi

Below flood stage

Level: 15.1 ft
Flow: 1,540 cfs

Reading from Sat 4:15 PM · NWS gauge page

Des Moines River at Des Moines SE 6th St

8.2 mi

Below flood stage

Level: 15.2 ft
Flow: 8,960 cfs

Reading from Sat 4:45 PM · NWS gauge page

For your home

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

Heating this week

About 93% less heating than a typical week.

This week 8Typical 119

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 6:00 PM–12:00 AM

Good stretch to open the windows.

Is this typical?

Des Moines International Airport · official normals 1991–2020 · records 1878–2026

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°5° warmer than normal (daily mean temperature).

+3°+1°SunOct 18
+4°+2°MonOct 19
+7°+4°TueOct 20
+13°+7°WedOct 21
+16°+9°ThuOct 22
+18°+10°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:40–6:36 PM; Morning 7:19–8:15 AM
Blue hour: 6:36–6:47 PM; Morning 7:08–7:19 AM; first light 7:08 AM

Stars tonight? Fair

Mostly clear 6:47–8 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:50 AM · rises 5:17 PM
Full moon: Oct 25
New moon: Nov 9

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

Altoona, IA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Fourmile Creek at Des Moines Easton Blvd

Fourmile Creek near Ankeny NE 86th Ave

Des Moines River at Des Moines 2nd Ave

Des Moines River at Des Moines SE 6th St

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? Fair

Moon