Heat Advisory — Boone, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Gasconade, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 7:00 PM

Warren County, Missouri, United States

Last updated: 3:47 AM CDT  ·  Refresh
24°C
Feels like 28°
Mostly Cloudy
▲ 32°  /  ▼ 22°
Wind
3 mph W
Humidity
89%
Dew Point
23°
Pressure
29.11 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
67%
Sunrise
5:55 AM
Sunset
8:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Warren County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 74% around 5 PM. Atmospheric instability is elevated (CAPE up to 2250 J/kg) — isolated convective development possible. Sunrise: 5:55AM · Sunset: 8:26PM.

Alerts

Heat Advisory
Boone, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Gasconade, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 7:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
8%
4 AM
24°
15%
5 AM
22°
15%
6 AM
23°
15%
7 AM
24°
38%
8 AM
26°
49%
9 AM
29°
39%
10 AM
30°
48%
11 AM
31°
53%
12 PM
31°
58%
1 PM
32°
58%
2 PM
32°
59%
3 PM
32°
57%
4 PM
32°
61%
5 PM
31°
73%
6 PM
30°
53%
7 PM
29°
53%
8 PM
28°
39%
9 PM
26°
38%
10 PM
25°
29%
11 PM
24°
15%
12 AM
24°
7%
1 AM
24°
7%
2 AM
24°
9%
7-Day Forecast
Today
32° 22°
Partly Cloudy with a 58% chance of rain.
Mon
36° 22°
Mostly Clear.
Tue
37° 20°
Mostly Clear.
Wed
28° 17°
Clear with a 37% chance of rain.
Thu
29° 16°
Clear with a 51% chance of rain.
Fri
31° 17°
Heavy Rain, 90% chance.
Sat
31° 16°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 8% 3 mph W 89%
4 AM 24° Partly Cloudy 15% 3 mph W 90%
5 AM 22° Mostly Clear 15% 3 mph W 90%
6 AM 23° Mostly Clear 15% 3 mph W 90%
7 AM 24° Mostly Clear 38% 3 mph WNW 85%
8 AM 26° Mostly Clear 49% 4 mph NW 80%
9 AM 29° Clear 39% 3 mph NNW 74%
10 AM 30° Mostly Clear 48% 4 mph NNW 72%
11 AM 31° Partly Cloudy 53% 4 mph NNW 70%
12 PM 31° Mostly Cloudy 58% 5 mph NNW 68%
1 PM 32° Mostly Cloudy 58% 5 mph N 68%
2 PM 32° Mostly Cloudy 59% 5 mph N 67%
3 PM 32° Rain 57% 5 mph NNE 67%
4 PM 32° Rain 61% 4 mph NE 71%
5 PM 31° Mostly Cloudy 73% 5 mph ENE 76%
6 PM 30° Partly Cloudy 53% 5 mph ENE 81%
7 PM 29° Partly Cloudy 53% 5 mph E 84%
8 PM 28° Partly Cloudy 39% 4 mph E 87%
9 PM 26° Partly Cloudy 38% 4 mph E 90%
10 PM 25° Partly Cloudy 29% 4 mph E 92%
11 PM 24° Mostly Clear 15% 4 mph E 93%
12 AM 24° Mostly Clear 7% 4 mph E 94%
1 AM 24° Mostly Clear 7% 4 mph E 94%
2 AM 24° Mostly Clear 9% 4 mph E 94%
15-Day Forecast
Today
7/19
Partly Cloudy
58%
22°
32°
Mon
7/20
Mostly Clear
10%
22°
36°
Tue
7/21
Mostly Clear
10%
20°
37°
Wed
7/22
Clear
37%
17°
28°
Thu
7/23
Clear
51%
16°
29°
Fri
7/24
Heavy Rain
90%
17°
31°
Sat
7/25
Drizzle
63%
16°
31°
Sun
7/26
Clear
18%
17°
35°
Mon
7/27
Thunderstorm
44%
18°
38°
Tue
7/28
Clear
44%
22°
38°
Wed
7/29
Rain
90%
21°
36°
Thu
7/30
Drizzle
60%
21°
36°
Fri
7/31
Drizzle
60%
22°
37°
Sat
8/1
Drizzle
60%
22°
37°
Sun
8/2
Clear
60%
21°
36°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.6 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 28 52
Mon 63 Moderate 38 63
Tue 89 Moderate 31 89
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Jul 19, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1162 J/kg
MLCAPE1105 J/kg
MUCAPE1162 J/kg
SBCIN-81 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear7 kt
0–1 km Shear12 kt
Eff. Shear8 kt
0–1 km SRH1
0–3 km SRH-15
Eff. SRH-15
Storm Motion293° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.6
Thermo & Levels
PWAT2.08 in
0–3 km LR5.0 °C/km
700–500 LR5.4 °C/km
Total Totals45.3
LCL966 hPa
LFC833 hPa
EL195 hPa
Freezing Lvl15,928 ft