Weather StoryAlmanac, microseasons, and the day's weather story.

Ellisville, Missouri Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Ellisville weather forecast — hour by hour, 7-day outlook, NOAA radar

Ellisville, MO
Saturday, July 4 at 3:22 PM
91
°
Overcast
Feels like
97°
Humidity
55%
Wind
14 mph
Sunrise
12:43 AM
Sunset
3:30 PM
Ellisville, MO
Hour by hour · 24h
24-Hour ForecastEllisville, MO: 24-hour forecast. Temperatures range from 73 to 91 degrees Fahrenheit with a 24% chance of precipitation at 10 PM.
L 73°H 91°
Ellisville, MO
7-day forecast
  1. Today
    Jul 4
    Overcast
    24%
    91°76°
  2. Sunday
    Jul 5
    Showers
    21%
    0.11″
    81°73°-10°
  3. Monday
    Jul 6
    Overcast
    84°69°+3°
  4. Tuesday
    Jul 7
    Clear
    88°67°+4°
  5. Wednesday
    Jul 8
    Mostly Clear
    10%
    94°67°+6°
  6. Thursday
    Jul 9
    Overcast
    31%
    96°76°+2°
  7. Friday
    Jul 10
    Overcast
    42%
    96°78°
Ellisville, MO
Anemometer · 24h winds · from true
NESW
From · True
WNW
297° · veering 62°
Direction
WNW
297°
Sustained
14
mph
Gust
20
mph
Peak 24h
20
avg 5
Beaufort · 4 · MOD BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 20
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 177SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the wnw-bound air across the harbor.
Ellisville, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.7
-2.5 mb in 3h · falling rapidly · 29.17 inHg
Now
987.7
mb
3h
-2.5
mb
12h
-2.6
mb
24h
-2.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW990.4987.4987.4
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Ellisville, MO
Air quality
46
AQI
Good
0 in 6h

AQI 46 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 71 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
11.8μg/m³
PM 10Good
13μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
120μg/m³
UV IndexHigh
5.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 71 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 71
UV peak
4.8 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 71

PM × Wind × Precip

PM2.5 at 11.8 µg/m³, PM10 at 13.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.91
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Ellisville, MO
Sky cover · visibility · 24h
Cloud cover
81%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
65.6mi
UNLIMITED
71 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
20:22 UTC · Ellisville, MO · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
20:22 UTC · Ellisville, MO · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Ellisville, MO
Satellite · infrared · animated
Ellisville, MO
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Ellisville, MO
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:12 AM
Sunrise
12:43 AM
Daylight
14h 47m
Sunset
3:30 PM
Civil dusk
9:03 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Ellisville, MO
The moon
Waning Gibbous
79% illuminated
Moonrise
10:55 PM
Moonset
10:10 AM
In sign
♓︎ Pisces
Ellisville, MO
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Ellisville at a glance

  • Today vs. normal: 18°F above the seasonal normal for this latitude
  • Last frost: April 8 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Ellisville

  1. Sat91°76°24%
  2. Sun81°72°21%
  3. Mon84°69°9%
  4. Tue88°67°5%
  5. Wed94°67°10%
  6. Thu96°76°31%
  7. Fri96°78°42%
  8. Sat81°68°22%
  9. Sun80°62°7%
  10. Mon83°62°7%
  11. Tue82°63°10%
  12. Wed90°62°11%
  13. Thu93°67°19%
  14. Fri95°72°19%
  15. Sat80°67°23%
  16. Sun76°67°29%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Ellisville

SPC has placed Ellisville in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Ellisville

  • 63021
  • 63011

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.