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Richmond Heights, MO Weather
Current conditions
Observed at St. Louis Lambert International Airport · 53 min ago
Forecast
10-day-
Saturday
Mostly sunny, with a high near 76.
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Saturday Night
Mostly cloudy, with a low around 51.
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Sunday
Partly sunny, with a high near 79.
National Weather Service forecast updated 2 days ago.
Hourly
Hourly forecast- Now69°
- 1 PM73°
- 2 PM75°
- 3 PM76°
- 4 PM76°
- 5 PM74°
- 6 PM71°
- 7 PM68°
- 8 PM65°
- 9 PM62°
- 10 PM60°
- 11 PM58°
- Sun12 AM56°
- 1 AM55°
- 2 AM54°
- 3 AM54°
- 4 AM53°
- 5 AM52°
- 6 AM51°
- 7 AM51°
- 8 AM54°
- 9 AM58°
- 10 AM63°
- 11 AM67°
10-day forecast
Details- TonightOct 21Mostly Clear50°
- ThuOct 22Sunny51°77°
- FriOct 23Sunny49°76°
- TodayOct 24Mostly Sunny51°76°
- SunOct 25Partly Sunny52°79°
- MonOct 26Partly Sunny52°77°
- TueOct 27Partly Sunny50°71°
- WedOct 28Mostly Sunny72°
- ThuOct 29Mostly sunny44°69°
- FriOct 30Cloudy0.02 in56°65°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Richmond Heights
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- SatModerate
- SunModerate
- MonModerate
St. Louis (Metro-east), IL reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlySt Charles Elm Point, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- St. Louis 11 km
- O'Fallon 39 km
- Saint Charles 22 km
- Saint Peters 33 km
- Florissant 18 km
- Chesterfield 23 km
- Belleville 32 km
- Oakville 18 km
- Wildwood 30 km
- Wentzville 51 km
- University City 3 km
- Ballwin 20 km
Forecasters' discussion
From the National Weather Service office in LSX, issued 51 min ago
Key Messages
- A stagnant pattern remains in place keeping warm and dry conditions through the end of the week.
Short Term
Issued at 228 AM CDT Sat Oct 24 2026
A slow moving upper-level ridge remains over the central CONUS keeping dry and seasonably warm conditions in the Mid-Mississippi Valley through the weekend and into Monday. As a result, very little change in the weather day-to-day is expected. The only change is the presence of some upper-level clouds. The stubborn ridge continues to drive high temperatures into the mid to upper 70s, with some areas possibly exceeding 80 on Sunday depending on the thickness of the clouds. Dry air will allow for radiative cooling overnight keeping low temperatures in the upper 40s to low 50s, with the 40s predominately being in the river valleys and southeastern MO and southwestern IL. This is due to the presence of fewer clouds in that region, which will allow for more efficient radiative cooling overnight.
Long Term
Issued at 228 AM CDT Sat Oct 24 2026
Over the western CONUS, a deep upper-level trough is present and is expected to propagate to the northeast toward the north-central CONUS and into the Midwest during the middle of the week. Guidance is in good consensus that as the trough tracks northeast it will reduce the amplitude of the ridge over the region. The current forecasted track of the trough will cause the associated cold front to stay well to the north of the region, resulting in dry and seasonably warm conditions in the region continuing through the entire week. High temperatures will remain in the 70s each day.
Earlier guidance had indicated a potential pattern change at the end of the week, but latest model trends indicate stronger confidence that the ridge remains in place through the end of the week. Yesterday, the NBM and LREF guidances continued to hint at the possibility of a cold front coming at the end of the week with IQRs of 10-15 degrees for Thursday and Friday, but latest runs have IQRs of 5-10 degrees by raising the 25th percentile from being in the 60s to being in the low 70s. At the same time, this model trend has also decreased the chance of rain at the end of the week down to 10-30 percent on Friday while increasing the chances the following weekend ahead of the potential cold front.
Aviation
Issued at 1156 AM CDT Sat Oct 24 2026
Dry and VFR flight conditions will persist along with light, mainly southeasterly winds. Patchy river valley fog is possible again Sunday morning, but confidence is low in any TAF sites being impacted.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.