Missouri River at St. Charles
14 mi- Level
- 12.2 ft
- Flow
- 63,600 cfs
Forecast peak 12.1 ft Sat 7 PM
Reading from Sat 2 PM · NWS gauge page
Observed 3:35 PM CDT at KSUS
Ballwin, MO weather
Sunny and 75°24°, 10°6° warmer than a typical Oct 24.
Today: low 50°10°, high 76°24°.
Now 75°24°
Sunny
- Wind
- 7 mph11 km/h
- From the east-northeast. Up to 7 mph11 km/h through 3 AM
- Dew point
- 46°8°
- Comfortable
- UV index
- 3Moderate
- Moderate until 4 PM
- Air quality
- 64Moderate
- Main pollutant: Ozone
Next 48 hours
About the same as this time yesterday (75°24° then, 75°24° now)
Good hours for
This afternoonNear 75°24°
TonightDown to 52°11° by 5 AM
Tomorrow morningUp to 69°21° by 11 AM
Tomorrow afternoonUp to 78°26° by 4 PM
Tomorrow nightDown to 54°12° by 5 AM
Monday morningUp to 68°20° by 11 AM
Monday afternoonUp to 77°25° by 2 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3p | Partly sunny | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 5 mph8 km/h from SE | 34% | — | 3 |
| Sat 4p | Partly sunny | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 5 mph8 km/h from SE | 34% | — | 2 |
| Sat 5p | Partly sunny | 74°23° (likely 70°21° to 74°23°) | 74°23° | 0% | 3 mph5 km/h from SE | 35% | — | 1 |
| Sat 6p | Partly cloudy | 70°21° (likely 65°18° to 70°21°) | 70°21° | 0% | 2 mph3 km/h from SE | 44% | — | 0 |
| Sat 7p | Partly cloudy | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 2 mph3 km/h from SE | 52% | — | — |
| Sat 8p | Partly cloudy | 62°17° (likely 61°16° to 62°17°) | 62°17° | 0% | 2 mph3 km/h from SE | 60% | — | — |
| Sat 9p | Partly cloudy | 60°16° (likely 60°16° to 60°16°) | 60°16° | 0% | 2 mph3 km/h from SE | 64% | — | — |
| Sat 10p | Partly cloudy | 59°15° (likely 59°15° to 59°15°) | 59°15° | 0% | 2 mph3 km/h from SE | 67% | — | — |
| Sat 11p | Partly cloudy | 57°14° (likely 57°14° to 57°14°) | 57°14° | 0% | 2 mph3 km/h from SE | 72% | — | — |
| Sun 12a | Mostly cloudy | 56°13° (likely 56°13° to 56°13°) | 56°13° | 0% | 1 mph2 km/h from SE | 74% | — | — |
| Sun 1a | Mostly cloudy | 55°13° (likely 55°13° to 55°13°) | 55°13° | 0% | 1 mph2 km/h from SE | 74% | — | — |
| Sun 2a | Partly cloudy | 54°12° (likely 54°12° to 54°12°) | 54°12° | 0% | 1 mph2 km/h from SE | 77% | — | — |
| Sun 3a | Partly cloudy | 53°12° (likely 53°12° to 53°12°) | 53°12° | 0% | 1 mph2 km/h from SE | 80% | — | — |
| Sun 4a | Partly cloudy | 53°12° (likely 52°11° to 53°12°) | 53°12° | 0% | 1 mph2 km/h from SE | 77% | — | — |
| Sun 5a | Partly cloudy | 52°11° (likely 51°11° to 52°11°) | 52°11° | 0% | 1 mph2 km/h from SE | 80% | — | — |
| Sun 6a | Partly cloudy | 51°11° (likely 51°11° to 51°11°) | 51°11° | 0% | 1 mph2 km/h from S | 83% | — | — |
| Sun 7a | Partly sunny | 50°10° (likely 50°10° to 50°10°) | 50°10° | 0% | 1 mph2 km/h from SE | 86% | — | — |
| Sun 8a | Partly sunny | 51°11° (likely 51°11° to 51°11°) | 51°11° | 0% | 1 mph2 km/h from S | 86% | — | — |
| Sun 9a | Partly sunny | 57°14° (likely 56°13° to 57°14°) | 57°14° | 0% | 1 mph2 km/h from SE | 75% | — | — |
| Sun 10a | Partly sunny | 63°17° (likely 62°17° to 63°17°) | 63°17° | 0% | 1 mph2 km/h from S | 65% | — | — |
| Sun 11a | Mostly cloudy | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 3 mph5 km/h from S | 51% | — | — |
| Sun 12p | Mostly cloudy | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 2 mph3 km/h from S | 44% | — | — |
| Sun 1p | Mostly cloudy | 75°24° (likely 75°24° to 75°24°) | 75°24° | 0% | 2 mph3 km/h from S | 38% | — | — |
| Sun 2p | Mostly cloudy | 77°25° (likely 76°24° to 77°25°) | 77°25° | 0% | 2 mph3 km/h from SE | 36% | — | — |
| Sun 3p | Mostly cloudy | 77°25° (likely 76°24° to 77°25°) | 77°25° | 0% | 2 mph3 km/h from SE | 36% | — | — |
| Sun 4p | Mostly cloudy | 78°26° (likely 76°24° to 78°26°) | 78°26° | 0% | 3 mph5 km/h from SE | 35% | — | — |
| Sun 5p | Mostly cloudy | 76°24° (likely 73°23° to 76°24°) | 76°24° | 0% | 1 mph2 km/h from SE | 39% | — | — |
| Sun 6p | Mostly cloudy | 72°22° (likely 68°20° to 72°22°) | 72°22° | 0% | 1 mph2 km/h from SE | 46% | — | — |
| Sun 7p | Mostly cloudy | 67°19° (likely 65°18° to 67°19°) | 67°19° | 0% | 1 mph2 km/h from SE | 54% | — | — |
| Sun 8p | Mostly cloudy | 64°18° (likely 64°18° to 64°18°) | 64°18° | 0% | 1 mph2 km/h from SE | 63% | — | — |
| Sun 9p | Mostly cloudy | 62°17° (likely 62°17° to 62°17°) | 62°17° | 0% | 1 mph2 km/h from SE | 65% | — | — |
| Sun 10p | Mostly cloudy | 61°16° (likely 61°16° to 61°16°) | 61°16° | 0% | 1 mph2 km/h from S | 67% | — | — |
| Sun 11p | Mostly cloudy | 59°15° (likely 59°15° to 60°16°) | 59°15° | 0% | 1 mph2 km/h from S | 72% | — | — |
| Mon 12a | Mostly cloudy | 58°14° (likely 58°14° to 59°15°) | 58°14° | 0% | 1 mph2 km/h from S | 72% | — | — |
| Mon 1a | Mostly cloudy | 57°14° (likely 57°14° to 58°14°) | 57°14° | 0% | 1 mph2 km/h from S | 75% | — | — |
| Mon 2a | Mostly cloudy | 56°13° (likely 56°13° to 57°14°) | 56°13° | 0% | 1 mph2 km/h from S | 77% | — | — |
| Mon 3a | Mostly cloudy | 56°13° (likely 56°13° to 56°13°) | 56°13° | 0% | 1 mph2 km/h from S | 74% | — | — |
| Mon 4a | Mostly cloudy | 55°13° (likely 55°13° to 55°13°) | 55°13° | 0% | 1 mph2 km/h from S | 77% | — | — |
| Mon 5a | Mostly cloudy | 54°12° (likely 54°12° to 55°13°) | 54°12° | 0% | 1 mph2 km/h from SW | 80% | — | — |
| Mon 6a | Mostly cloudy | 53°12° (likely 53°12° to 55°13°) | 53°12° | 0% | 1 mph2 km/h from SW | 80% | — | — |
| Mon 7a | Mostly cloudy | 52°11° (likely 52°11° to 54°12°) | 52°11° | 0% | 1 mph2 km/h from S | 83% | — | — |
| Mon 8a | Mostly cloudy | 54°12° (likely 54°12° to 54°12°) | 54°12° | 0% | 1 mph2 km/h from SW | 83% | — | — |
| Mon 9a | Mostly cloudy | 58°14° (likely 58°14° to 58°14°) | 58°14° | 0% | 1 mph2 km/h from SW | 77% | — | — |
| Mon 10a | Mostly cloudy | 64°18° (likely 64°18° to 64°18°) | 64°18° | 0% | 1 mph2 km/h from SW | 65% | — | — |
| Mon 11a | Mostly cloudy | 68°20° (likely 68°20° to 68°20°) | 68°20° | 0% | 1 mph2 km/h from SW | 59% | — | — |
| Mon 12p | Mostly cloudy | 72°22° (likely 72°22° to 72°22°) | 72°22° | 0% | 2 mph3 km/h from SW | 49% | — | — |
| Mon 1p | Mostly cloudy | 75°24° (likely 75°24° to 75°24°) | 75°24° | 0% | 2 mph3 km/h from SW | 41% | — | — |
| Mon 2p | Mostly cloudy | 77°25° (likely 77°25° to 77°25°) | 77°25° | 0% | 2 mph3 km/h from SW | 39% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Partly sunny. High 76°24°, low 50°10°. Typical 66°19° / 46°8°. Dry. One forecast only.
Afternoon
noon–6 PM
Partly sunny, 75°24°Dry
Evening
6 PM–midnight
Partly cloudy, 62°17°Dry
Overnight
midnight–6 AM
Partly cloudy, 52°11°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 76. Southeast wind around 5 mph.
Tonight: Partly cloudy, with a low around 50. Southeast wind around 2 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°
- Low, likely
- 50°10°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 5 mph8 km/h
Tomorrow, Oct 25. Mostly cloudy. High 78°26°, low 52°11°. Typical 65°18° / 46°8°. Dry. One forecast only.
Morning
6 AM–noon
Partly sunny, 51°11°Dry
Afternoon
noon–6 PM
Mostly cloudy, 78°26°Dry
Evening
6 PM–midnight
Mostly cloudy, 64°18°Dry
Overnight
midnight–6 AM
Mostly cloudy, 54°12°Dry
Official NWS forecast
Day: Partly sunny, with a high near 78. Southeast wind around 3 mph.
Night: Mostly cloudy, with a low around 52. South wind around 1 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°–78°26°
- Low, likely
- 50°10°–52°11°
- Typical high / low
- 65°18° / 46°8°
- Wind
- 5 mph9 km/h
Monday, Oct 26. Mostly cloudy. High 78°26°, low 52°11°. Typical 65°18° / 45°7°. Dry. One forecast only.
Morning
6 AM–noon
Mostly cloudy, 54°12°Dry
Afternoon
noon–6 PM
Mostly cloudy, 77°25°Dry
Official NWS forecast
Day: Partly sunny. High near 78, with temperatures falling to around 74 in the afternoon. South wind around 2 mph.
Night: Partly cloudy, with a low around 52.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 75°24°–78°26°
- Low, likely
- 52°11°–54°12°
- Typical high / low
- 65°18° / 45°7°
- Wind
- 6 mph10 km/h
Tuesday, Oct 27. Mostly cloudy. High 76°24°, low 54°12°. Typical 64°18° / 45°7°. Dry. One forecast only.
Official NWS forecast
Day: Partly sunny, with a high near 76.
Night: Mostly cloudy, with a low around 54.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 71°22°–76°24°
- Low, likely
- 54°12°
- Typical high / low
- 64°18° / 45°7°
- Wind
- 7 mph11 km/h
Wednesday, Oct 28. Partly sunny. High 80°27°, low 56°13°. Typical 64°18° / 44°7°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 80.
Night: Mostly clear, with a low around 56.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°–80°27°
- Low, likely
- 55°13°–56°13°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 8 mph13 km/h
Thursday, Oct 29. Mostly sunny. High 83°28°, low 57°14°. Typical 64°18° / 44°7°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 83.
Night: Mostly clear, with a low around 57.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 79°26°–83°28°
- Low, likely
- 57°14°–58°14°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 7 mph12 km/h
Friday, Oct 30. Partly sunny. High 81°27°, low 58°14°. Typical 63°17° / 44°7°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 81.
Night: Mostly cloudy, with a low around 58.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 75°24°–81°27°
- Low, likely
- 57°14°–58°14°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 7 mph11 km/h
The outlook
Today
Dry, high 76°, low 50°.
Tomorrow
Dry, high 78°, low 52°.
Monday
Dry, high 78°, low 52°.
Rest of week
Mostly dry, highs 76–83°.
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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Mississippi River at St. Louis
20 mi- Level
- 7.8 ft
- Flow
- 168,000 cfs
Forecast peak 8.0 ft Sat 7 PM
Reading from Sat 2 PM · NWS gauge page
Missouri River at Washington
25 mi- Level
- 5.1 ft
- Flow
- 61,500 cfs
Forecast peak 5.1 ft Sat 7 PM
Reading from Sat 1:45 PM · NWS gauge page
Meramec River at Valley Park
4.8 mi- Level
- -2.9 ft
Reading from Sat 2 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 85% less heating than a typical week.
This week 11Typical 73
Heating degree days, base 65°F
Comfort
Dry air outside (dew point 46°F).
Open the windows?
Today, 4:00 PM–9:00 PM
Good stretch to open the windows.
Is this typical?
St. Louis Lambert International Airport · official normals 1991–2020 · records 1874–2026
Oct 24, today vs a typical year
Today’s expected high is 10°6° warmer than typical.
- Normal high / low
- 66°19° / 46°8°
- Forecast high / low
- 76°24° / 50°10°
- Record high
- 85°29° in 1940
- Record low
- 25°−4° in 1981
Last 7 days vs normal
On average 3°1° warmer than normal (daily mean temperature).
- −4°−2°SunOct 18
- −1°MonOct 19
- +3°+2°TueOct 20
- +5°+3°WedOct 21
- +6°+3°ThuOct 22
- +7°+4°FriOct 23
- —SatOct 24
Ballwin weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:20 AM, sunset 6:11 PM.
- Daylight
- 10 h 51 min
- Losing 2 min 16 s a day; shortest Dec 21, 1 h 23 min less
- Golden hour
- 5:34–6:28 PM
- Morning 7:03–7:57 AM
- Blue hour
- 6:28–6:38 PM
- Morning 6:53–7:03 AM; first light 6:53 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:35 AM · rises 5:09 PM
- Full moon
- Oct 25
- New moon
- Nov 9
