Observed 8:45 AM CDT at KCPS

Sappington, MO weather

Sunny and 52°11°, 9°5° warmer than a typical Oct 24.

Mostly agree

Now 52°11°

Sunny

Wind: Calm; Light through 9 PM
Dew point: 48°9°; Comfortable
UV index: 1Low; Moderate 11 AM–5 PM · peak 4
Air quality: 63Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.39 inHg1029 hPa; Rising slowly · +0.04 inHg+1.4 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 (46°8° then, 45°7° now)

Good hours for

Above 60°16° today by 10 AM
High 75°24° today at 4 PM
Below 60°16° tonight after 9 PM
Low 50°10° tomorrow at 7 AM

This morningUp to 65°18° by 11 AM · Mostly cloudy
This afternoonUp to 75°24° by 4 PM · Mostly cloudy
TonightDown to 52°11° by 4 AM · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 78°26° by 4 PM · Mostly cloudy
Tomorrow nightDown to 53°12° by 5 AM · Cloudy
Monday morningNear 55°13° · 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 9a	Partly sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	2 mph3 km/h from SE, gusts 5 mph7 km/h	80%	58%	1
Sat 10a	Cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	67%	66%	2
Sat 11a	Cloudy	65°18° (likely 63°17° to 66°19°)	65°18°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	58%	78%	3
Sat 12p	Partly sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	51%	75%	4
Sat 1p	Cloudy	72°22° (likely 70°21° to 73°23°)	72°22°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	44%	80%	4
Sat 2p	Partly sunny	73°23° (likely 72°22° to 75°24°)	73°23°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	43%	72%	4
Sat 3p	Partly sunny	74°23° (likely 72°22° to 75°24°)	74°23°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	41%	53%	4
Sat 4p	Cloudy	75°24° (likely 72°22° to 75°24°)	75°24°	0%	3 mph5 km/h from SE, gusts 8 mph14 km/h	38%	63%	3
Sat 5p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	2 mph3 km/h from SE, gusts 9 mph15 km/h	44%	41%	1
Sat 6p	Clear	70°21° (likely 65°18° to 70°21°)	70°21°	0%	2 mph3 km/h from SE, gusts 9 mph15 km/h	49%	40%	0
Sat 7p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	54%	40%	0
Sat 8p	Clear	61°16° (likely 60°16° to 62°17°)	61°16°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	65%	40%	0
Sat 9p	Clear	59°15° (likely 58°14° to 61°16°)	59°15°	0%	2 mph3 km/h from SE, gusts 8 mph14 km/h	69%	4%	0
Sat 10p	Partly cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%	2 mph3 km/h from SE, gusts 8 mph14 km/h	69%	28%	0
Sat 11p	Mostly clear	57°14° (likely 55°13° to 58°14°)	57°14°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	72%	9%	0
Sun 12a	Partly cloudy	55°13° (likely 53°12° to 57°14°)	55°13°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	77%	32%	0
Sun 1a	Clear	54°12° (likely 52°11° to 55°13°)	54°12°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	77%	40%	0
Sun 2a	Clear	54°12° (likely 50°10° to 54°12°)	54°12°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	77%	9%	0
Sun 3a	Mostly clear	53°12° (likely 49°9° to 54°12°)	53°12°	0%	1 mph2 km/h from S, gusts 5 mph9 km/h	80%	38%	0
Sun 4a	Mostly clear	52°11° (likely 48°9° to 53°12°)	52°11°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	83%	43%	0
Sun 5a	Mostly clear	52°11° (likely 47°8° to 52°11°)	52°11°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	80%	52%	0
Sun 6a	Mostly clear	51°11° (likely 46°8° to 51°11°)	51°11°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	83%	56%	0
Sun 7a	Partly sunny	50°10° (likely 46°8° to 51°11°)	50°10°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	86%	73%	0
Sun 8a	Mostly sunny	52°11° (likely 46°8° to 52°11°)	52°11°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	83%	83%	0
Sun 9a	Cloudy	56°13° (likely 52°11° to 56°13°)	56°13°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	80%	79%	1
Sun 10a	Partly sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	1 mph2 km/h from S, gusts 7 mph12 km/h	67%	63%	2
Sun 11a	Cloudy	68°20° (likely 66°19° to 69°21°)	68°20°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	59%	67%	3
Sun 12p	Cloudy	71°22° (likely 70°21° to 74°23°)	71°22°	0%	1 mph2 km/h from S, gusts 5 mph9 km/h	53%	80%	4
Sun 1p	Cloudy	75°24° (likely 73°23° to 76°24°)	75°24°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	45%	81%	4
Sun 2p	Cloudy	76°24° (likely 74°23° to 78°26°)	76°24°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	43%	81%	4
Sun 3p	Cloudy	77°25° (likely 75°24° to 78°26°)	77°25°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	42%	81%	4
Sun 4p	Cloudy	78°26° (likely 74°23° to 78°26°)	78°26°	0%	1 mph2 km/h from SE, gusts 5 mph7 km/h	39%	81%	2
Sun 5p	Cloudy	76°24° (likely 72°22° to 77°25°)	76°24°	0%	1 mph2 km/h from SE, gusts 5 mph9 km/h	45%	80%	1
Sun 6p	Cloudy	73°23° (likely 68°20° to 73°23°)	73°23°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	49%	79%	0
Sun 7p	Cloudy	69°21° (likely 65°18° to 69°21°)	69°21°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	55%	80%	0
Sun 8p	Cloudy	64°18° (likely 62°17° to 65°18°)	64°18°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	65%	78%	0
Sun 9p	Cloudy	61°16° (likely 60°16° to 63°17°)	61°16°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	72%	80%	0
Sun 10p	Cloudy	60°16° (likely 59°15° to 62°17°)	60°16°	0%	1 mph2 km/h from S, gusts 9 mph14 km/h	75%	80%	0
Sun 11p	Cloudy	59°15° (likely 57°14° to 61°16°)	59°15°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	75%	84%	0
Mon 12a	Cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	77%	86%	0
Mon 1a	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	77%	88%	0
Mon 2a	Cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	80%	93%	0
Mon 3a	Cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	1 mph2 km/h from S, gusts 6 mph10 km/h	80%	95%	0
Mon 4a	Cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	1 mph2 km/h from S, gusts 5 mph9 km/h	80%	94%	0
Mon 5a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	83%	92%	0
Mon 6a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	83%	98%	0
Mon 7a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	83%	97%	0
Mon 8a	Cloudy	56°13° (likely 52°11° to 58°14°)	56°13°	0%	1 mph2 km/h from S, gusts 3 mph5 km/h	80%	97%	0

Days ahead

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

Today, Oct 24. Partly sunny. High 75°24°, low 50°10°. Typical 66°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 65°18°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 52°11°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 75. Southeast wind around 3 mph.
Tonight: Partly cloudy, with a low around 50. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–75°24°
Low, likely
45°7°–50°10°
Typical high / low
66°19° / 43°6°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 78°26°, low 53°12°. Typical 66°19° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 78. Southeast wind around 1 mph.
Night: Mostly cloudy, with a low around 53. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–78°26°
Low, likely
46°8°–53°12°
Typical high / low
66°19° / 43°6°
Wind
6 mph10 km/h, gusts 13 mph22 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 77°25°, low 53°12°. Typical 65°18° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  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
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 77. South wind around 1 mph.
Night: Mostly cloudy, with a low around 53.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–77°25°
Low, likely
52°11°–55°13°
Typical high / low
65°18° / 43°6°
Wind
7 mph10 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 75°24°, low 53°12°. Typical 65°18° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 75.
Night: Mostly cloudy, with a low around 53.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
71°22°–75°24°
Low, likely
49°9°–55°13°
Typical high / low
65°18° / 42°6°
Wind
9 mph14 km/h, gusts 20 mph31 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 79°26°, low 55°13°. Typical 64°18° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Mostly clear, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–79°26°
Low, likely
50°10°–55°13°
Typical high / low
64°18° / 42°6°
Wind
9 mph14 km/h, gusts 20 mph32 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 78°26°, low 53°12°. Typical 64°18° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Partly cloudy, with a low around 53.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
78°26°–79°26°
Low, likely
52°11°–59°15°
Typical high / low
64°18° / 42°6°
Wind
10 mph16 km/h, gusts 26 mph41 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 76°24°, low 54°12°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–80°27°
Low, likely
51°11°–58°14°
Typical high / low
64°18° / 41°5°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 74°23°, low 60°16°. Typical 63°17° / 41°5°. Rain 0.13 in3.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 62°17°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 68°20°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 66°19°
  50% chance · 0.11 in2.8 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
70°21°–81°27°
Low, likely
57°14°–63°17°
Typical high / low
63°17° / 41°5°
Wind
10 mph16 km/h, gusts 25 mph40 km/h
UV peak
2
Sunday, Nov 1. Showers. High 70°21°, low 61°16°. Typical 63°17° / 41°5°. Rain 0.53 in13 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 65°18°
  50% chance · 0.13 in3.3 mm
2. Afternoon
  noon–6 PM
  Showers, 68°20°
  40% chance · 0.17 in4.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 67°19°
  40% chance · 0.07 in1.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  40% chance · 0.13 in3.4 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–73°23°
Low, likely
59°15°–64°18°
Typical high / low
63°17° / 41°5°
Wind
18 mph29 km/h, gusts 41 mph67 km/h
Monday, Nov 2. Drizzle. High 66°19°, low 56°13°. Typical 62°17° / 40°4°. Rain 0.32 in8.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°15°
  40% chance · 0.13 in3.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  30% chance · 0.18 in4.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  30% chance · 0.07 in1.7 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
60°16°–74°23°
Low, likely
48°9°–66°19°
Typical high / low
62°17° / 40°4°
Wind
22 mph36 km/h, gusts 39 mph63 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 75°, low 50°.
Tomorrow
Dry, high 78°, low 53°, warming up.
Monday
Dry, high 77°, low 53°.
Rest of week
Highs 66–79°; chance of precipitation on Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LSX) (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

Mississippi River at St. Louis

13 mi

Below flood stage

Level: 8.1 ft
Flow: 172,000 cfs

Forecast peak 7.9 ft Sat 1 PM

Reading from Sat 8 AM · NWS gauge page

Missouri River at St. Charles

19 mi

Below flood stage

Level: 12.3 ft
Flow: 64,500 cfs

Forecast peak 12.3 ft Sat 1 PM

Reading from Sat 8 AM · NWS gauge page

Meramec River at Fenton

3.3 mi

Below flood stage

Level: 1.3 ft

Reading from Sat 8:15 AM · NWS gauge page

Meramec River at Arnold

4.8 mi

Below flood stage

Level: 5.8 ft
Flow: 7,210 cfs

Reading from Sat 8 AM · 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 11Typical 80

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 10:00 AM–8:00 PM

Good stretch to open the windows.

Is this typical?

ST CHARLES 7 SSW · official normals 1991–2020 · records 1975–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° warmer than typical.

Last 7 days vs normal

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

−9°−5°SunOct 18
−8°−4°MonOct 19
±0°TueOct 20
+3°+1°WedOct 21
+5°+3°ThuOct 22
+6°+3°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 51 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:34–6:27 PM; Morning 7:03–7:56 AM
Blue hour: 6:27–6:38 PM; Morning 6:52–7:03 AM; first light 6:52 AM

Stars tonight? Poor

Clouds most of the night (about 33% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:35 AM · rises 5:08 PM
Full moon: Oct 25
New moon: Nov 9

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

Sappington, MO weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Mississippi River at St. Louis

Missouri River at St. Charles

Meramec River at Fenton

Meramec River at Arnold

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