Temperature
50 F at 6 AM; 81 F at its warmest, 3 PM Thursday, and 50 F at its coolest, 6 AM.
- Now
- 50F
- 6 AM
- Highest
- 81F
- 3 PM Thursday
- Lowest
- 50F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Spirit of St Louis Airport, Missouri
Medium airport in St. Louis County, Missouri49°
57°/41°
Clear·
Feels like 43°·Moderate breeze 15 mph NW
Now. Spirit of St Louis Airport is 49° and clear at 7 AM. With the wind it feels like 43°. The dew point is 41°, so the air feels dry and comfortable. Moderate breeze from the northwest at 15 mph.
Today and tonight. It warms to about 57° by 3 PM. Tonight falls to about 38° by 7 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 79°, and the coolest tomorrow, near 60°. The days ahead look dry. Frost is possible tomorrow morning, a low of 36°.
The sky tonight. The sun sets at 6:23 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:23 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The day is 11 hours 11 minutes long, 2 minutes shorter than yesterday.
0UV Low
23Air quality
71%Humidity
2%Cloud
Now
7:00 AM
49feels43
15mph
Today
Oct 16
5741
17%
18mph
Sat
Oct 17
6036
UV 6
Sun
Oct 18
6633
UV 6
Mon
Oct 19
7236
overcast
Tue
Oct 20
7438
overcast
Wed
Oct 21
7740
overcast
Thu
Oct 22
7945
overcast
49°
57°41°
60°36°
66°33°
72°36°
74°38°
77°40°
79°45°
As of 7:00 AM in Spirit of St Louis Airport, Missouri.
Air quality
The air at Spirit of St Louis Airport
Index 23, good, led by fine particles. Read at 7 AM from its reporting area, Saint Louis (MO), 4 miles off.
23Good
- Fine particles (PM2.5)23Good20 mi
- Ozone21Good16 ppb10 mi
- Coarse particles (PM10)21Good20 mi
- Nitrogen dioxide1Good1.6 ppb12.6 mi
- Sulfur dioxide0Good0.2 ppb12.6 mi
- Carbon monoxide-0.1 ppm20 mi
The days ahead
Yesterday measured 40, good.
GoodModerate
- 40YesterdayOct 15
Smoke, the next 43 hours
No smoke near the ground through Sun 1 AM.
Precipitation
What has fallen at Spirit of St Louis Airport
0.67 in in the last 24 hours, 1.45 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.67in
- Last 3 days
- 1.45in
3 days agoLast 24 hours 46%
Visibility
How far you can see at Spirit of St Louis Airport, the next 43 hours
Visibility stays 9 miles or more through Sun 1 AM, lowest 9 miles Fri 7 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- SUS
- ICAO
- KSUS
- IATA
- SUS
- Field elevation
- 463 ft
- Serves
- St Louis
- Kind
- Medium airport
- Scheduled service
- No
- Its own instrument
- SUS
- Wind now
- From 300° at 15 mph, read 16 Oct, 06:54
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 08L / 26R | 5,000 ft | 75 ft | Asphalt | 78° / 258° | 11 mph head, on 26R | 10 mph from the right |
| 08R / 26L | 7,486 ft | 150 ft | Concrete | 78° / 258° | 11 mph head, on 26L | 10 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from St. Louis/Spirit (SUS), Spirit of St Louis Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 41 F, the air 71% saturated; the humidity ran from 60% at 4 PM Thursday to 95% at 9 AM Thursday.
- Dew point now
- 41F
- 6 AM
- Humidity now
- 71%
- Humidity, range
- 60 to 95%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
15 mph from the northwest at 7 AM; at its strongest 17 mph, 10 PM Thursday, with a gust of 32 mph at 9 PM Thursday.
- Now
- 15mph
- from the northwest
- Strongest
- 17mph
- 10 PM Thursday
- Highest gust
- 32mph
- 9 PM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.20 inHg at 7 AM, rising 0.05 inHg over 3 hours; 0.21 inHg higher than a day before.
- Now
- 30.20inHg
- 7 AM
- 3 hours
- +0.05inHg
- rising
- 24 hours
- +0.21inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.8 miles at 11 AM Thursday, under a mile for 1 hour; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 0.8mi
- 11 AM Thursday
- Hours under a mile
- 1
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 500 ft at 8 AM Thursday; a base was reported in 22 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 500ft
- 8 AM Thursday
- Hours with a base reported
- 22
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.30 in measured in the gauge, the most, 0.16 in, in the hour to 8 AM Thursday.
- Last 24 hours
- 0.30in
- Wettest hour
- 0.16in
- 8 AM Thursday
- Hours with some
- 9
How it is measured: ASOS, Field Book FB-INS-002
St. Louis/Spirit: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Spirit of St Louis Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.
measured now3 instruments
At an airfield/0.4 mi away/463 ft/level with here
temp, wind, gust, visibility, precip, pressure
St. CharlesSCLM7
At a river or reservoir gauge/13.1 mi away/443 ft/20 ft below here
temp, wind, gust, humidity, pressure
Shaw Nature ReserveS2227
At a soil climate station/15.2 mi away/623 ft/160 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
St Louis NWSLSX
At a cooperative observer's station/3.0 mi away/610 ft/147 ft above here
snowfall, snow depth, precip, high, low
Weldon Spring Heights 0.3 SSEMO-SS-8
In a volunteer observer's own ground/3.1 mi away/594 ft/131 ft above here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at St Louis NWS (LSX), 3.0 miles from here, read 16 Oct, 06:00. measured daily
Elsewhere in Missouri
24 places, each with its own forecast and its own instruments.
BransoncityCape GirardeaucityColumbiacityHannibalcityHidden Valleyski areaIndependencecityJefferson CitycityJoplincityKansas CitycityKirksvillecityLake of the OzarksfeatureMark Twain National ForestfeatureMaryvillecityPoplar BluffcityRollacitySedaliacitySikestoncitySnow Creekski areaSpringfieldcitySt CharlescitySt JosephcitySt LouiscityTable Rock LakefeatureWest Plainscity
Near Spirit of St Louis Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Weldon Spring Heightstown, 3 mi
- Weldon Springcity, 4 mi
- Clarkson Valleycity, 4 mi
- Wildwoodcity, 5 mi
- Chesterfieldcity, 6 mi
- Ellisvillecity, 6 mi
- Cottlevillecity, 6 mi
- Ballwincity, 7 mi
- Defiancecommunity, 7 mi
- Dardenne Prairiecity, 8 mi
- St. Peterscity, 8 mi
- Winchestercity, 8 mi
Airports near Spirit of St Louis Airport
- St. Louis Lambert International AirportSTL, 16 mi
- Washington Regional AirportFYG, 19 mi
- St Charles County Regional Airport/Smartt FieldSET, 22 mi
- Sullivan Regional AirportUUV, 41 mi
- Farmington Regional AirportFAM, 63 mi
- Perryville Regional AirportPCD, 70 mi
- Rolla National AirportVIH, 71 mi
- Mexico Memorial AirportMYJ, 71 mi