Observed 4:40 PM CDT at KDSM

St. Charles, IA weather

Mostly sunny and 77°25°, 17°9° warmer than a typical Oct 24.

Mostly agree

Now 77°25°

Mostly sunny

Wind: 10 mph17 km/h; From the south. 58–10 mph17 km/h through 4 AM
Dew point: 48°9°; Comfortable
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Air quality: 74Moderate; 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

About the same as this time yesterday (79°26° then, 79°26° now)

Good hours for

Below 70°21° tonight after 7 PM
Low 56°13° tomorrow at 7 AM
Above 70°21° tomorrow by noon

This afternoonNear 76°24° · Partly cloudy
TonightDown to 58°14° by 5 AM · Mostly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 77°25° by 3 PM · Mostly cloudy
Tomorrow nightDown to 56°13° by 5 AM · Mostly cloudy
Monday morningUp to 64°18° by 11 AM · Mostly cloudy
Monday afternoonUp to 74°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 4p	Mostly sunny	76°24° (likely 75°24° to 79°26°)	76°24°	0%	9 mph14 km/h from S, gusts 18 mph28 km/h	40%	26%	3
Sat 5p	Mostly sunny	75°24° (likely 73°23° to 77°25°)	75°24°	0%	9 mph14 km/h from S, gusts 18 mph29 km/h	43%	46%	2
Sat 6p	Mostly clear	71°22° (likely 69°21° to 75°24°)	71°22°	0%	8 mph13 km/h from S, gusts 15 mph24 km/h	51%	53%	0
Sat 7p	Mostly clear	68°20° (likely 67°19° to 70°21°)	68°20°	0%	8 mph13 km/h from S, gusts 13 mph21 km/h	57%	37%	0
Sat 8p	Cloudy	66°19° (likely 66°19° to 68°20°)	66°19°	0%	8 mph13 km/h from S, gusts 12 mph19 km/h	61%	73%	0
Sat 9p	Cloudy	64°18° (likely 64°18° to 66°19°)	64°18°	0%	7 mph11 km/h from S, gusts 13 mph21 km/h	63%	77%	0
Sat 10p	Cloudy	63°17° (likely 63°17° to 65°18°)	63°17°	0%	7 mph11 km/h from S, gusts 13 mph21 km/h	65%	75%	0
Sat 11p	Cloudy	62°17° (likely 62°17° to 63°17°)	62°17°	0%	6 mph10 km/h from S, gusts 13 mph21 km/h	67%	78%	0
Sun 12a	Cloudy	61°16° (likely 61°16° to 63°17°)	61°16°	0%	6 mph10 km/h from S, gusts 13 mph21 km/h	70%	80%	0
Sun 1a	Cloudy	61°16° (likely 60°16° to 62°17°)	61°16°	0%	6 mph10 km/h from SSW, gusts 8 mph12 km/h	67%	80%	0
Sun 2a	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	6 mph10 km/h from WSW, gusts 6 mph9 km/h	69%	75%	0
Sun 3a	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from WSW, gusts 5 mph8 km/h	72%	80%	0
Sun 4a	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	5 mph8 km/h from WSW, gusts 4 mph7 km/h	72%	79%	0
Sun 5a	Cloudy	58°14° (likely 54°12° to 58°14°)	58°14°	0%	3 mph5 km/h from WSW, gusts 5 mph8 km/h	75%	68%	0
Sun 6a	Mostly cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	0%	3 mph5 km/h from WSW, gusts 4 mph7 km/h	77%	60%	0
Sun 7a	Mostly cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	0%	3 mph5 km/h from SW, gusts 6 mph10 km/h	80%	56%	0
Sun 8a	Partly sunny	56°13° (likely 50°10° to 56°13°)	56°13°	0%	3 mph5 km/h from SW, gusts 7 mph11 km/h	80%	72%	0
Sun 9a	Cloudy	58°14° (likely 53°12° to 58°14°)	58°14°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	77%	77%	0
Sun 10a	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 5 mph9 km/h	67%	75%	1
Sun 11a	Cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	0%	3 mph5 km/h from S, gusts 6 mph9 km/h	57%	81%	2
Sun 12p	Cloudy	71°22° (likely 66°19° to 71°22°)	71°22°	0%	3 mph5 km/h from S, gusts 6 mph9 km/h	53%	79%	3
Sun 1p	Cloudy	74°23° (likely 69°21° to 74°23°)	74°23°	0%	3 mph5 km/h from S, gusts 5 mph8 km/h	48%	79%	4
Sun 2p	Cloudy	75°24° (likely 71°22° to 75°24°)	75°24°	0%	3 mph5 km/h from S, gusts 5 mph9 km/h	46%	78%	4
Sun 3p	Cloudy	77°25° (likely 72°22° to 77°25°)	77°25°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	43%	80%	3
Sun 4p	Cloudy	77°25° (likely 72°22° to 77°25°)	77°25°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	43%	81%	2
Sun 5p	Cloudy	76°24° (likely 72°22° to 77°25°)	76°24°	0%	3 mph5 km/h from SSE, gusts 10 mph15 km/h	45%	81%	1
Sun 6p	Cloudy	73°23° (likely 68°20° to 73°23°)	73°23°	0%	3 mph5 km/h from ESE, gusts 6 mph10 km/h	49%	81%	0
Sun 7p	Cloudy	70°21° (likely 65°18° to 70°21°)	70°21°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	55%	81%	0
Sun 8p	Cloudy	65°18° (likely 63°17° to 65°18°)	65°18°	0%	5 mph8 km/h from ENE, gusts 8 mph12 km/h	65%	80%	0
Sun 9p	Cloudy	64°18° (likely 61°16° to 64°18°)	64°18°	0%	3 mph5 km/h from SSE, gusts 7 mph11 km/h	65%	81%	0
Sun 10p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	70%	79%	0
Sun 11p	Cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	72%	77%	0
Mon 12a	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	3 mph5 km/h from S, gusts 11 mph18 km/h	75%	83%	0
Mon 1a	Cloudy	59°15° (likely 56°13° to 59°15°)	59°15°	0%	3 mph5 km/h from S, gusts 11 mph17 km/h	78%	82%	0
Mon 2a	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	77%	81%	0
Mon 3a	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	80%	87%	0
Mon 4a	Cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	0%	2 mph3 km/h from ESE, gusts 9 mph15 km/h	80%	88%	0
Mon 5a	Cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	80%	90%	0
Mon 6a	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	83%	93%	0
Mon 7a	Cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	0%	3 mph5 km/h from E, gusts 11 mph18 km/h	83%	87%	0
Mon 8a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	3 mph5 km/h from E, gusts 11 mph18 km/h	83%	84%	0
Mon 9a	Cloudy	56°13° (likely 52°11° to 57°14°)	56°13°	0%	3 mph5 km/h from E, gusts 12 mph19 km/h	80%	79%	0
Mon 10a	Cloudy	60°16° (likely 55°13° to 60°16°)	60°16°	0%	3 mph5 km/h from ESE, gusts 12 mph19 km/h	72%	71%	1
Mon 11a	Cloudy	64°18° (likely 59°15° to 64°18°)	64°18°	0%	3 mph5 km/h from SE, gusts 11 mph17 km/h	63%	72%	2
Mon 12p	Mostly sunny	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from SE, gusts 8 mph14 km/h	55%	55%	3
Mon 1p	Cloudy	71°22° (likely 66°19° to 71°22°)	71°22°	0%	6 mph10 km/h from SE, gusts 9 mph15 km/h	49%	78%	3
Mon 2p	Mostly cloudy	73°23° (likely 69°21° to 74°23°)	73°23°	0%	7 mph11 km/h from SE, gusts 11 mph18 km/h	46%	66%	3
Mon 3p	Mostly cloudy	74°23° (likely 70°21° to 75°24°)	74°23°	0%	8 mph13 km/h from SSE, gusts 12 mph19 km/h	43%	65%	3

Days ahead

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

Today, Oct 24. Cloudy. High 77°25°, low 56°13°. Typical 60°16° / 35°2°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 76°24°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  Dry
Official NWS forecast
Today: Sunny. High near 77, with temperatures falling to around 75 in the afternoon. South wind around 9 mph.
Tonight: Partly cloudy. Low around 56, with temperatures rising to around 58 overnight. South southwest wind 3 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–79°26°
Low, likely
56°13°–59°15°
Typical high / low
60°16° / 35°2°
Wind
14 mph22 km/h, gusts 25 mph40 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 77°25°, low 54°12°. Typical 59°15° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 77. South southwest wind around 3 mph.
Night: Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. Southeast wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
72°22°–77°25°
Low, likely
50°10°–55°13°
Typical high / low
59°15° / 35°2°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 74°23°, low 57°14°. Typical 58°14° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 61°16°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 74. East southeast wind 3 to 8 mph.
Night: Mostly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–75°24°
Low, likely
50°10°–57°14°
Typical high / low
58°14° / 34°1°
Wind
11 mph17 km/h, gusts 21 mph33 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 72°22°, low 57°14°. Typical 58°14° / 34°1°. Dry. Mostly agree.
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
  Partly cloudy, 59°15°
  Dry
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%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
57°14°–60°16°
Typical high / low
58°14° / 34°1°
Wind
15 mph23 km/h, gusts 29 mph47 km/h
UV peak
2
Wednesday, Oct 28. Drizzle. High 75°24°, low 57°14°. Typical 58°14° / 33°1°. Rain 0.08 in2 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Showers, 60°15°
  20% chance · 0.13 in3.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 75.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
56°13°–61°16°
Typical high / low
58°14° / 33°1°
Wind
15 mph25 km/h, gusts 38 mph61 km/h
UV peak
4
Thursday, Oct 29. Showers. High 75°24°, low 59°15°. Typical 57°14° / 33°1°. Rain 0.18 in4.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  20% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Cloudy, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
Night: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–75°24°
Low, likely
55°13°–60°16°
Typical high / low
57°14° / 33°1°
Wind
15 mph24 km/h, gusts 34 mph55 km/h
UV peak
2
Friday, Oct 30. Showers. High 75°24°, low 58°14°. Typical 56°13° / 33°1°. Rain 0.18 in4.6 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°24°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 69°21°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 64°18°
  40% chance
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°–79°26°
Low, likely
56°13°–65°18°
Typical high / low
56°13° / 33°1°
Wind
21 mph34 km/h, gusts 35 mph56 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 67°19°, low 59°15°. Typical 56°13° / 32°0°. Rain 0.32 in8.1 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 62°17°
  40% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  50% chance · 0.13 in3.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  50% chance · 0.12 in3.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  40% chance · 0.09 in2.2 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°–73°23°
Low, likely
57°14°–60°16°
Typical high / low
56°13° / 32°0°
Wind
21 mph33 km/h, gusts 36 mph58 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 65°18°, low 50°10°. Typical 55°13° / 32°0°. Rain 0.36 in9.1 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°15°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 62°16°
  30% chance · 0.17 in4.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  30% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 48°9°
  30% chance · 0.21 in5.4 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
61°16°–69°21°
Low, likely
42°6°–58°14°
Typical high / low
55°13° / 32°0°
Wind
21 mph33 km/h, gusts 32 mph52 km/h
UV peak
1
Monday, Nov 2. Drizzle. High 60°16°, low 47°8°. Typical 55°13° / 31°−1°. Rain 0.38 in9.7 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°10°
  30% chance · 0.11 in2.7 mm
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Clear, 53°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°–77°25°
Low, likely
35°2°–60°16°
Typical high / low
55°13° / 31°−1°
Wind
27 mph43 km/h, gusts 50 mph80 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 56°.
Tomorrow
Dry, high 77°, low 54°.
Monday
Dry, high 74°, low 57°, cooling off.
Rest of week
Highs 60–75°; 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

North River near Norwalk

14 mi

Below flood stage

Level: 7.9 ft
Flow: 279 cfs

Reading from Sat 3:15 PM · NWS gauge page

Middle River near Indianola

15 mi

Below flood stage

Level: 8.5 ft
Flow: 353 cfs

Reading from Sat 3:15 PM · NWS gauge page

Raccoon River near West Des Moines

17 mi

Level: 30.3 ft

Reading from Sat 3:47 PM · NWS gauge page

South River near Ackworth

17 mi

Below flood stage

Level: 5.3 ft
Flow: 76 cfs

Reading from Sat 3:15 PM · NWS gauge page

For your home

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

Heating this week

About 95% less heating than a typical week.

This week 7Typical 134

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 5:00 PM–2:00 AM

Good stretch to open the windows.

Is this typical?

Winterset 4n · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 17°9° warmer than typical.

Last 7 days vs normal

On average 6°3° warmer than normal (daily mean temperature).

−4°−2°SunOct 18
±0°MonOct 19
+3°+2°TueOct 20
+6°+3°WedOct 21
—ThuOct 22
+10°+6°FriOct 23
+20°+11°SatOct 24

St. Charles weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 32 min less
Golden hour: 5:42–6:38 PM; Morning 7:19–8:15 AM
Blue hour: 6:38–6:49 PM; Morning 7:09–7:19 AM; first light 7:09 AM

Stars tonight? Poor

Clouds most of the night (about 69% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:51 AM · rises 5:19 PM
Full moon: Oct 25
New moon: Nov 9

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

St. Charles, IA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

North River near Norwalk

Middle River near Indianola

Raccoon River near West Des Moines

South River near Ackworth

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