What is the weather in Florissant, MO right now?

The latest observation from St. Louis Lambert International Airport was 61°F and clear, reported at 10/26/2026, 8:50 PM CDT.

Will it rain in Florissant, MO in the next 24 hours?

The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.

What is the 10-day forecast for Florissant, MO?

The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 67°F to 70°F and up to a 40% chance of precipitation. Model guidance this far out often changes.

What time is sunrise and sunset in Florissant, MO today?

Sunrise is about 7:22 AM CDT and sunset is about 6:08 PM CDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Florissant, MO?

At St Louis Lambert INTL AP, the 1991 to 2020 normal high in October is 69°F and the normal low is 49°F.

Checked Oct 26, 2026

Florissant, MO Weather

Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Florissant, MO current weather

61°F

Clear

H -- / L 54°Feels like 61°

No rain expected in the next 12 hours

Observed at St. Louis Lambert International Airport (4.4 mi away), 10/26/2026, 8:50 PM CDT

Hourly forecast

NWS, updated 6:01 PM

Now63°
10 PM61°
11 PM60°
Tue12 AM59°
1 AM58°
2 AM57°
3 AM57°
4 AM56°
5 AM55°
6 AM55°
7 AM54°
8 AM55°
9 AM58°
10 AM64°
11 AM67°
12 PM70°
1 PM72°
2 PM73°
3 PM74°
4 PM75°
5 PM73°
6 PM72°
7 PM69°
8 PM65°
9 PM63°
10 PM62°
11 PM61°
Wed12 AM60°
1 AM59°
2 AM59°
3 AM58°
4 AM57°
5 AM57°
6 AM56°
7 AM55°
8 AM56°
9 AM60°
10 AM65°
11 AM69°
12 PM73°
1 PM76°
2 PM78°
3 PM79°
4 PM79°
5 PM77°
6 PM75°
7 PM72°
8 PM70°

10-day forecast

Tap a day for details

Today10/26Low 54°High
Tonight: Partly cloudy, with a low around 54. Southeast wind around 3 mph.
Partly Cloudy
Tue10/27Low 55°High 75°
Tuesday: Mostly cloudy, with a high near 75. South wind 2 to 7 mph.
Tuesday Night: Mostly cloudy, with a low around 55. Southeast wind around 5 mph.
Mostly Cloudy
Wed10/28Low 58°High 79°
Wednesday: Mostly sunny, with a high near 79. South wind 2 to 8 mph.
Wednesday Night: Mostly clear, with a low around 58. South wind around 7 mph.
Mostly Sunny
Thu10/29Low 59°High 83°
Thursday: Sunny, with a high near 83.
Thursday Night: Partly cloudy, with a low around 59.
Sunny
Fri10/30Low 60°High 81°
Friday: Partly sunny, with a high near 81.
Friday Night: Mostly cloudy, with a low around 60.
Partly Sunny
Sat10/3139% chance of precipitationLow 60°High 76°
Saturday: A chance of rain showers after 7am. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Chance Rain Showers
Sun11/131% chance of precipitationLow 60°High 77°
Sunday: A slight chance of rain showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Slight Chance Rain Showers
Mon11/245% chance of precipitationLow High 75°
Monday: A chance of rain showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Chance Rain Showers
Model blend
Tue11/3Model blend40% chance of precipitationLow 51°High 70°
Tuesday: Chance of rain. High near 70°. Low that night near 51°. About 0.33 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend24% chance of precipitationLow 48°High 67°
Wednesday: Partly cloudy, slight chance of rain. High near 67°. Low that night near 48°. About 0.03 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 38.800, -90.318 from the NWS LSX office, updated 10/26/2026, 6:01 PM CDT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KSTL (St Louis/Lambert Intl, 4 mi), model run 10/26/2026, 3:00 PM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

Now63°Clear0%3 mph
10 PM61°Mostly Clear0%3 mph
11 PM60°Partly Cloudy0%3 mph
12 AM59°Partly Cloudy0%3 mph
1 AM58°Partly Cloudy1%3 mph
2 AM57°Partly Cloudy1%2 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Line: temperature °F. Bars: chance of precipitation.

MonNow63° 0% Sky 5%3
10 PM61° 0% Sky 21%3
11 PM60° 0% Sky 41%3
Tue 10/2712 AM59° 0% Sky 45%3
1 AM58° 1% Sky 48%3
2 AM57° 1% Sky 41%2
3 AM57° 1% Sky 46%2
4 AM56° 1% Sky 61%2
5 AM55° 1% Sky 53%2
6 AM55° 1% Sky 55%2
7 AM54° 1% Sky 55%2
8 AM55° 1% Sky 70%3
9 AM58° 1% Sky 70%5
10 AM64° 1% Sky 75%5
11 AM67° 1% Sky 87%6
12 PM70° 1% Sky 91%6
1 PM72° 1% Sky 85%7g12
2 PM73° 1% Sky 75%7g12
3 PM74° 0% Sky 75%7g12
4 PM75° 0% Sky 81%7
5 PM73° 1% Sky 77%6
6 PM72° 1% Sky 87%5
7 PM69° 0% Sky 94%5
8 PM65° 0% Sky 70%5
9 PM63° 0% Sky 61%5
10 PM62° 0% Sky 63%5
11 PM61° 0% Sky 65%5
Wed 10/2812 AM60° 0% Sky 68%3
1 AM59° 0% Sky 57%3
2 AM59° 0% Sky 48%3
3 AM58° 0% Sky 43%3
4 AM57° 0% Sky 38%2
5 AM57° 0% Sky 48%2
6 AM56° 1% Sky 52%2
7 AM55° 2% Sky 44%3
8 AM56° 2% Sky 52%3
9 AM60° 2% Sky 47%3
10 AM65° 2% Sky 42%5
11 AM69° 2% Sky 36%6
12 PM73° 2% Sky 30%6
1 PM76° 0% Sky 24%7g12
2 PM78° 0% Sky 22%8g13
3 PM79° 0% Sky 19%8g13
4 PM79° 0% Sky 17%8g13
5 PM77° 0% Sky 14%8
6 PM75° 0% Sky 11%7g12
7 PM72° 0% Sky 8%7
8 PM70° 0% Sky 7%7
9 PM68° 0% Sky 6%7g12
10 PM66° 0% Sky 5%7g12
11 PM65° 0% Sky 5%7g12
Thu 10/2912 AM64° 0% Sky 6%6
1 AM63° 1% Sky 6%6
2 AM62° 1% Sky 7%6
3 AM61° 1% Sky 8%6
4 AM60° 1% Sky 9%6
5 AM58° 1% Sky 9%6
6 AM58° 1% Sky 9%6
7 AM58° 5% Sky 9%6
8 AM61° 5% Sky 12%6
9 AM65° 5% Sky 15%7g12
10 AM69° 5% Sky 18%7g12
11 AM73° 5% Sky 20%7g12
12 PM77° 5% Sky 21%7g12
1 PM80° 1% Sky 23%7g12
2 PM82° 1% Sky 24%7g12
3 PM83° 1% Sky 26%6g12
4 PM83° 1% Sky 27%6
5 PM81° 1% Sky 29%5
6 PM78° 1% Sky 32%3
7 PM75° 9% Sky 34%3
8 PM72° 9% Sky 34%5
9 PM70° 9% Sky 34%5
10 PM68° 9% Sky 34%5
11 PM66° 9% Sky 34%3
Fri 10/3012 AM65° 9% Sky 34%3
1 AM64° 1% Sky 60%2
2 AM63° 1% Sky 60%2
3 AM62° 1% Sky 60%2
4 AM61° 1% Sky 60%2
5 AM60° 1% Sky 60%2
6 AM59° 1% Sky 60%3
7 AM59° 5% Sky 58%3
8 AM61° 5% Sky 58%3
9 AM64° 5% Sky 58%5
10 AM68° 5% Sky 58%5
11 AM72° 5% Sky 58%5
12 PM76° 5% Sky 58%6
1 PM79° 3% Sky 66%6
2 PM81° 3% Sky 66%6
3 PM81° 3% Sky 66%6
4 PM80° 3% Sky 66%6
5 PM79° 3% Sky 66%6
6 PM76° 3% Sky 66%6
7 PM74° 4% Sky 75%6
8 PM72° 4% Sky 75%6
9 PM70° 4% Sky 75%5
10 PM68° 4% Sky 75%5
11 PM67° 4% Sky 75%5
Sat 10/3112 AM66° 4% Sky 75%3
1 AM65° 7% Sky 81%3
2 AM64° 7% Sky 81%3
3 AM63° 7% Sky 81%2
4 AM62° 7% Sky 81%2
5 AM61° 7% Sky 81%2
6 AM60° 7% Sky 81%2
7 AM60° 20% Sky 80%2
8 AM62° 20% Sky 80%3
9 AM64° 20% Sky 80%3
10 AM67° 20% Sky 80%5
11 AM70° 20% Sky 80%5
12 PM72° 20% Sky 80%6
1 PM74° 34%0.01"Sky 78%6
2 PM75° 34%0.01"Sky 78%6
3 PM75° 34%0.01"Sky 78%6
4 PM75° 34%0.01"Sky 78%6
5 PM74° 34%0.01"Sky 78%6
6 PM72° 34%0.01"Sky 78%6
7 PM70° 38% Sky 74%6
8 PM68° 38% Sky 74%6
9 PM66° 38% Sky 74%5
10 PM65° 38% Sky 74%5
11 PM64° 38% Sky 74%5
Sun 11/112 AM64° 38% Sky 74%3
1 AM63° 39%0.02"Sky 78%3
1 AM62° 39%0.02"Sky 78%3
2 AM62° 39%0.02"Sky 78%3
3 AM61° 39%0.02"Sky 78%3
4 AM60° 39%0.02"Sky 78%3
5 AM60° 39%0.02"Sky 78%3
6 AM60° 24% Sky 67%3
7 AM62° 24% Sky 67%3
8 AM64° 24% Sky 67%5
9 AM67° 24% Sky 67%5
10 AM70° 24% Sky 67%5
11 AM72° 24% Sky 67%6
12 PM74° 16% Sky 64%6
1 PM75° 16% Sky 64%6
2 PM76° 16% Sky 64%5
3 PM76° 16% Sky 64%5
4 PM75° 16% Sky 64%5
5 PM72° 16% Sky 64%3
6 PM70° 15% Sky 71%3
7 PM68° 15% Sky 71%3
8 PM67° 15% Sky 71%3
9 PM66° 15% Sky 71%3
10 PM65° 15% Sky 71%3
11 PM64° 15% Sky 71%3
Mon 11/212 AM63° 31%0.02"Sky 80%3
1 AM63° 31%0.02"Sky 80%3
2 AM62° 31%0.02"Sky 80%3
3 AM62° 31%0.02"Sky 80%3
4 AM61° 31%0.02"Sky 80%3
5 AM61° 31%0.02"Sky 80%3g8
6 AM61° 42%0.03"Sky 74%5

Temperature °F · chance of precipitation · amount in inches (T = trace) · sky cover · wind and gusts (g) in mph

NWS hourly forecast updated 10/26/2026, 6:01 PM CDT

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

Missouri hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
River gauges within 40 miles at or above flood stage: None reported
Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

UV index today (Florissant): 3Moderate

UV index guide · Air quality

Drought

By county

St. Louis County, week of 10/20/2026

100% of the county is abnormally dry. No drought.

Frequently asked questions

What is the weather in Florissant, MO right now?: The latest observation from St. Louis Lambert International Airport was 61°F and clear, reported at 10/26/2026, 8:50 PM CDT.
Will it rain in Florissant, MO in the next 24 hours?: The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Florissant, MO?: The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 67°F to 70°F and up to a 40% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Florissant, MO today?: Sunrise is about 7:22 AM CDT and sunset is about 6:08 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Florissant, MO?: At St Louis Lambert INTL AP, the 1991 to 2020 normal high in October is 69°F and the normal low is 49°F.

Sun and moon

Local time, center of the area

Sunrise: 7:22 AM
Sunset: 6:08 PM
Daylight: 10 hr 46 min
Moon: Full Moon 99% lit

First light (civil dawn): 6:54 AM
Last light (civil dusk): 6:35 PM
Moonrise: 6:04 PM
Moonset: 7:58 AM

Normal October weather

Climate

Normal October high 69°, low 49°, precipitation 3.15 in for the month. 1991 to 2020 normals at St Louis Lambert INTL AP, 4 mi away.

Other places nearby

Data sources

National Weather Service APINOAA
National Blend of Models (NBM) text guidanceNOAA National Weather Service
Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
National Water Prediction ServiceNOAA National Weather Service
WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
AirNowU.S. Environmental Protection Agency
NWS HeatRisk (experimental)NOAA National Weather Service
U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research

See something wrong? Request a correction

About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an error Read the full disclaimer