Mississippi River at St. Louis
8.6 mi- Level
- 8.2 ft
- Flow
- 173,000 cfs
Forecast peak 8.0 ft Sat 7 AM
Reading from Sat 1 AM · NWS gauge page
Observed 2:10 AM CDT at KSTL
University City, MO weather
Clear and 55°13°, 10°6° warmer than a typical Oct 24.
Today: low 51°11° (likely 48°9° to 51°11°), high 76°24° (likely 73°23° to 76°24°).
Now 55°13°
Clear
- Wind
- 5 mph7 km/h
- From the east-southeast. Up to 5 mph8 km/h through 2 PM
- Dew point
- 46°8°
- Comfortable
- UV index
- 0Low
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 61Moderate
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.29 inHg1026 hPa
- Steady over the last 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
About the same as this time yesterday (55°13° then, 55°13° now)
Good hours for
TonightNear 53°12° · Partly cloudy
This morningUp to 66°19° by 11 AM · Partly cloudy
This afternoonUp to 76°24° by 4 PM · Mostly cloudy
TonightDown to 53°12° by 5 AM · Partly cloudy
Tomorrow morningUp to 68°20° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 78°26° by 4 PM · Mostly cloudy
Tomorrow nightDown to 58°14° by 1 AM · Cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 2a | Clear | 54°12° (likely 53°12° to 56°13°) | 54°12° | 0% | 3 mph5 km/h from SE, gusts 7 mph12 km/h | 80% | 17% | 0 |
| Sat 3a | Mostly clear | 53°12° (likely 51°11° to 55°13°) | 53°12° | 0% | 2 mph3 km/h from SE, gusts 8 mph12 km/h | 80% | 18% | 0 |
| Sat 4a | Clear | 52°11° (likely 50°10° to 54°12°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 83% | 14% | 0 |
| Sat 5a | Partly cloudy | 52°11° (likely 50°10° to 53°12°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 6 mph9 km/h | 83% | 58% | 0 |
| Sat 6a | Partly cloudy | 52°11° (likely 49°9° to 52°11°) | 52°11° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 80% | 48% | 0 |
| Sat 7a | Partly sunny | 51°11° (likely 48°9° to 51°11°) | 51°11° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 83% | 29% | 0 |
| Sat 8a | Partly sunny | 52°11° (likely 48°9° to 53°12°) | 52°11° | 0% | 3 mph5 km/h from SE, gusts 5 mph8 km/h | 83% | 24% | 0 |
| Sat 9a | Partly sunny | 56°13° (likely 53°12° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from SE, gusts 6 mph9 km/h | 80% | 23% | 1 |
| Sat 10a | Partly sunny | 62°17° (likely 59°15° to 62°17°) | 62°17° | 0% | 3 mph5 km/h from SE, gusts 9 mph14 km/h | 67% | 34% | 2 |
| Sat 11a | Partly sunny | 66°19° (likely 63°17° to 67°19°) | 66°19° | 0% | 5 mph8 km/h from SE, gusts 10 mph15 km/h | 58% | 36% | 3 |
| Sat 12p | Partly sunny | 69°21° (likely 67°19° to 70°21°) | 69°21° | 0% | 5 mph8 km/h from SE, gusts 9 mph14 km/h | 51% | 46% | 4 |
| Sat 1p | Cloudy | 73°23° (likely 70°21° to 73°23°) | 73°23° | 0% | 5 mph8 km/h from SE, gusts 7 mph12 km/h | 43% | 80% | 4 |
| Sat 2p | Partly sunny | 74°23° (likely 72°22° to 75°24°) | 74°23° | 0% | 5 mph8 km/h from SE, gusts 7 mph11 km/h | 41% | 74% | 4 |
| Sat 3p | Cloudy | 75°24° (likely 73°23° to 76°24°) | 75°24° | 0% | 5 mph8 km/h from SE, gusts 7 mph12 km/h | 38% | 68% | 3 |
| Sat 4p | Cloudy | 76°24° (likely 72°22° to 76°24°) | 76°24° | 0% | 5 mph8 km/h from SE, gusts 8 mph12 km/h | 37% | 78% | 2 |
| Sat 5p | Partly sunny | 74°23° (likely 70°21° to 74°23°) | 74°23° | 0% | 3 mph5 km/h from SE, gusts 8 mph13 km/h | 41% | 68% | 1 |
| Sat 6p | Partly cloudy | 71°22° (likely 66°19° to 71°22°) | 71°22° | 0% | 3 mph5 km/h from SE, gusts 8 mph13 km/h | 47% | 41% | 0 |
| Sat 7p | Clear | 67°19° (likely 63°17° to 67°19°) | 67°19° | 0% | 3 mph5 km/h from SE, gusts 7 mph11 km/h | 52% | 40% | 0 |
| Sat 8p | Clear | 62°17° (likely 61°16° to 64°18°) | 62°17° | 0% | 3 mph5 km/h from SE, gusts 8 mph13 km/h | 62% | 43% | 0 |
| Sat 9p | Mostly clear | 61°16° (likely 59°15° to 63°17°) | 61°16° | 0% | 2 mph3 km/h from SE, gusts 8 mph13 km/h | 62% | 51% | 0 |
| Sat 10p | Partly cloudy | 59°15° (likely 58°14° to 61°16°) | 59°15° | 0% | 2 mph3 km/h from SE, gusts 8 mph14 km/h | 67% | 55% | 0 |
| Sat 11p | Partly cloudy | 58°14° (likely 57°14° to 59°15°) | 58°14° | 0% | 2 mph3 km/h from SE, gusts 8 mph13 km/h | 69% | 52% | 0 |
| Sun 12a | Partly cloudy | 57°14° (likely 56°13° to 58°14°) | 57°14° | 0% | 2 mph3 km/h from SE, gusts 8 mph12 km/h | 72% | 45% | 0 |
| Sun 1a | Partly cloudy | 56°13° (likely 55°13° to 57°14°) | 56°13° | 0% | 2 mph3 km/h from SE, gusts 7 mph12 km/h | 72% | 40% | 0 |
| Sun 2a | Partly cloudy | 55°13° (likely 53°12° to 56°13°) | 55°13° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 74% | 33% | 0 |
| Sun 3a | Mostly clear | 54°12° (likely 52°11° to 55°13°) | 54°12° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 77% | 17% | 0 |
| Sun 4a | Partly cloudy | 54°12° (likely 50°10° to 55°13°) | 54°12° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 77% | 34% | 0 |
| Sun 5a | Partly cloudy | 53°12° (likely 49°9° to 54°12°) | 53°12° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 80% | 53% | 0 |
| Sun 6a | Partly cloudy | 52°11° (likely 48°9° to 54°12°) | 52°11° | 0% | 1 mph2 km/h from SE, gusts 5 mph7 km/h | 83% | 32% | 0 |
| Sun 7a | Partly sunny | 52°11° (likely 47°8° to 53°12°) | 52°11° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 80% | 44% | 0 |
| Sun 8a | Partly sunny | 53°12° (likely 48°9° to 53°12°) | 53°12° | 0% | 1 mph2 km/h from SE, gusts 4 mph6 km/h | 83% | 56% | 0 |
| Sun 9a | Mostly sunny | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 2 mph3 km/h from SE, gusts 4 mph7 km/h | 77% | 61% | 1 |
| Sun 10a | Cloudy | 63°17° (likely 60°16° to 63°17°) | 63°17° | 0% | 2 mph3 km/h from S, gusts 7 mph11 km/h | 67% | 76% | 2 |
| Sun 11a | Cloudy | 68°20° (likely 65°18° to 69°21°) | 68°20° | 0% | 2 mph3 km/h from S, gusts 7 mph11 km/h | 59% | 80% | 3 |
| Sun 12p | Cloudy | 72°22° (likely 70°21° to 74°23°) | 72°22° | 0% | 2 mph3 km/h from S, gusts 6 mph9 km/h | 51% | 82% | 4 |
| Sun 1p | Cloudy | 76°24° (likely 73°23° to 77°25°) | 76°24° | 0% | 2 mph3 km/h from S, gusts 4 mph7 km/h | 43% | 81% | 4 |
| Sun 2p | Cloudy | 77°25° (likely 74°23° to 79°26°) | 77°25° | 0% | 2 mph3 km/h from S, gusts 4 mph6 km/h | 42% | 81% | 4 |
| Sun 3p | Cloudy | 77°25° (likely 75°24° to 80°27°) | 77°25° | 0% | 2 mph3 km/h from SE, gusts 4 mph6 km/h | 40% | 81% | 3 |
| Sun 4p | Cloudy | 78°26° (likely 75°24° to 79°26°) | 78°26° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 39% | 81% | 2 |
| Sun 5p | Cloudy | 77°25° (likely 73°23° to 78°26°) | 77°25° | 0% | 2 mph3 km/h from SE, gusts 5 mph8 km/h | 42% | 83% | 1 |
| Sun 6p | Cloudy | 74°23° (likely 69°21° to 74°23°) | 74°23° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 48% | 83% | 0 |
| Sun 7p | Cloudy | 69°21° (likely 66°19° to 70°21°) | 69°21° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 55% | 82% | 0 |
| Sun 8p | Cloudy | 65°18° (likely 63°17° to 72°22°) | 65°18° | 0% | 1 mph2 km/h from SE, gusts 3 mph5 km/h | 63% | 85% | 0 |
| Sun 9p | Cloudy | 62°17° (likely 61°16° to 70°21°) | 62°17° | 0% | 1 mph2 km/h from SE, gusts 4 mph7 km/h | 70% | 84% | 0 |
| Sun 10p | Cloudy | 61°16° (likely 60°16° to 69°21°) | 61°16° | 0% | 1 mph2 km/h from SE, gusts 5 mph8 km/h | 70% | 85% | 0 |
| Sun 11p | Cloudy | 60°16° (likely 58°14° to 68°20°) | 60°16° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 72% | 88% | 0 |
| Mon 12a | Cloudy | 59°15° (likely 58°14° to 67°19°) | 59°15° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 72% | 88% | 0 |
| Mon 1a | Cloudy | 58°14° (likely 57°14° to 66°19°) | 58°14° | 0% | 1 mph2 km/h from S, gusts 5 mph7 km/h | 75% | 88% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 76°24°, low 51°11°. Typical 66°19° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 52°11°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Mostly clear, 62°17°Dry
Overnight
midnight–6 AM
Mostly clear, 53°12°Dry
Official NWS forecast
Today: Mostly sunny, with a high near 76. Southeast wind around 5 mph.
Tonight: Partly cloudy, with a low around 51. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 73°23°–76°24°
- Low, likely
- 48°9°–51°11°
- Typical high / low
- 66°19° / 46°8°
- Wind
- 6 mph10 km/h, gusts 13 mph20 km/h
- UV peak
- 4
Tomorrow, Oct 25. Mostly cloudy. High 79°26°, low 54°12°. Typical 65°18° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 53°12°Dry
Afternoon
noon–6 PM
Cloudy, 78°26°Dry
Evening
6 PM–midnight
Cloudy, 65°18°Dry
Overnight
midnight–6 AM
Cloudy, 57°14°Dry
Official NWS forecast
Day: Partly sunny, with a high near 79. Southeast wind around 2 mph.
Night: Mostly cloudy, with a low around 54. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 75°24°–79°26°
- Low, likely
- 47°8°–54°12°
- Typical high / low
- 65°18° / 46°8°
- Wind
- 5 mph9 km/h, gusts 11 mph18 km/h
- UV peak
- 4
Monday, Oct 26. Cloudy. High 77°25°, low 54°12°. Typical 65°18° / 45°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 56°13°Dry
Afternoon
noon–6 PM
Cloudy, 76°24°Dry
Evening
6 PM–midnight
Clear, 65°18°Dry
Overnight
midnight–6 AM
Cloudy, 55°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 77.
Night: Mostly cloudy, with a low around 54.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 75°24°–77°25°
- Low, likely
- 51°11°–60°16°
- Typical high / low
- 65°18° / 45°7°
- Wind
- 6 mph9 km/h
- UV peak
- 4
Tuesday, Oct 27. Cloudy. High 75°24°, low 55°13°. Typical 64°18° / 45°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 55°13°Dry
Afternoon
noon–6 PM
Cloudy, 73°23°Dry
Evening
6 PM–midnight
Cloudy, 65°18°Dry
Overnight
midnight–6 AM
Cloudy, 56°14°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 55.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 72°22°–75°24°
- Low, likely
- 48°9°–59°15°
- Typical high / low
- 64°18° / 45°7°
- Wind
- 8 mph12 km/h, gusts 21 mph34 km/h
- UV peak
- 3
Wednesday, Oct 28. Partly sunny. High 79°26°, low 56°13°. Typical 64°18° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 58°14°Dry
Afternoon
noon–6 PM
Mostly sunny, 77°25°Dry
Evening
6 PM–midnight
Clear, 68°20°Dry
Overnight
midnight–6 AM
Clear, 57°14°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 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 75°24°–79°26°
- Low, likely
- 53°12°–59°15°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 8 mph12 km/h, gusts 20 mph31 km/h
- UV peak
- 4
Thursday, Oct 29. Mostly sunny. High 78°26°, low 54°12°. Typical 64°18° / 44°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 59°15°Dry
Afternoon
noon–6 PM
Partly sunny, 77°25°Dry
Evening
6 PM–midnight
Mostly clear, 67°19°Dry
Overnight
midnight–6 AM
Clear, 58°14°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 54.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 76°24°–81°27°
- Low, likely
- 52°11°–61°16°
- Typical high / low
- 64°18° / 44°7°
- Wind
- 9 mph15 km/h, gusts 28 mph45 km/h
- UV peak
- 4
Friday, Oct 30. Partly sunny. High 76°24°, low 57°14°. Typical 63°17° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 60°15°Dry
Afternoon
noon–6 PM
Cloudy, 79°26°Dry
Evening
6 PM–midnight
Cloudy, 69°21°Dry
Overnight
midnight–6 AM
Cloudy, 60°16°20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 76°24°–80°27°
- Low, likely
- 53°12°–62°17°
- Typical high / low
- 63°17° / 44°7°
- Wind
- 8 mph13 km/h, gusts 23 mph37 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 75°24°, low 60°16°. Typical 63°17° / 43°6°. Rain 0.2 in5.1 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 64°18°30% chance
Afternoon
noon–6 PM
Drizzle, 76°24°30% chance
Evening
6 PM–midnight
Rain, 68°20°30% chance · 0.1 in2.4 mm
Overnight
midnight–6 AM
Drizzle, 65°19°40% 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
- 71°22°–82°28°
- Low, likely
- 58°14°–62°17°
- Typical high / low
- 63°17° / 43°6°
- Wind
- 12 mph19 km/h, gusts 36 mph58 km/h
Sunday, Nov 1. Drizzle. High 73°23°, low 62°17°. Typical 62°17° / 43°6°. Rain 0.28 in7.1 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 65°18°40% chance · 0.03 in0.8 mm
Afternoon
noon–6 PM
Drizzle, 73°23°40% chance · 0.08 in2 mm
Evening
6 PM–midnight
Drizzle, 68°20°40% chance · 0.14 in3.4 mm
Overnight
midnight–6 AM
Cloudy, 60°15°40% chance · 0.14 in3.5 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 70°21°–77°25°
- Low, likely
- 60°16°–65°18°
- Typical high / low
- 62°17° / 43°6°
- Wind
- 18 mph28 km/h, gusts 41 mph65 km/h
- UV peak
- 3
Monday, Nov 2. Drizzle. High 67°19°, low 56°13°. Typical 62°17° / 42°6°. Rain 0.27 in6.9 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 61°16°30% chance · 0.07 in1.9 mm
Afternoon
noon–6 PM
Cloudy, 62°17°20% chance · 0.09 in2.3 mm
Evening
6 PM–midnight
Cloudy, 60°16°Dry
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
- 65°18°–72°22°
- Low, likely
- 52°11°–62°17°
- Typical high / low
- 62°17° / 42°6°
- Wind
- 13 mph21 km/h, gusts 37 mph60 km/h
- UV peak
- 3
The outlook
Today
Dry, high 76°, low 51°.
Tomorrow
Dry, high 79°, low 54°, warming up.
Monday
Dry, high 77°, low 54°.
Rest of week
Highs 67–79°; 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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Missouri River at St. Charles
11 mi- Level
- 12.4 ft
- Flow
- 65,400 cfs
Forecast peak 12.4 ft Sat 7 AM
Reading from Sat 1 AM · NWS gauge page
Mississippi River at Mel Price (Alton) Lock and Dam
17 mi- Level
- 7.7 ft
- Flow
- 124,000 cfs
Forecast peak 7.6 ft Sat 7 AM
Reading from Sat 1 AM · NWS gauge page
Mississippi River at Grafton
22 mi- Level
- 15.6 ft
- Flow
- 152,000 cfs
Forecast peak 15.7 ft Sat 7 AM
Reading from Sat 1 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 86% less heating than a typical week.
This week 10Typical 73
Heating degree days, base 65°F
Comfort
Dry air outside (dew point 46°F).
Open the windows?
Today, 10:00 AM–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° / 51°11°
- Record high
- 85°29° in 1940
- Record low
- 25°−4° in 1981
Last 7 days vs normal
On average 2°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
- —FriOct 23
- —SatOct 24
University City weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:19 AM, sunset 6:10 PM.
- Daylight
- 10 h 51 min
- Losing 2 min 21 s a day; shortest Dec 21, 1 h 23 min less
- Golden hour
- 5:33–6:27 PM
- Morning 7:03–7:56 AM
- Blue hour
- 6:27–6:37 PM
- Morning 6:52–7:03 AM; first light 6:52 AM
Stars tonight? Fair
Mostly clear 2:41–5 AM, but the moon is 96% lit and up.
Moon
Waxing gibbous
96% lit · growing
- Today
- sets 5:35 AM · rises 5:08 PM
- Full moon
- Oct 25
- New moon
- Nov 9
