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

Callaway 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
91%
Dew Point
22°
Pressure
29.11 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
67%
Sunrise
5:58 AM
Sunset
8:29 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Callaway County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 73% around 4 PM. Atmospheric instability is elevated (CAPE up to 2184 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:29PM.

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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
16%
4 AM
23°
15%
5 AM
22°
15%
6 AM
22°
15%
7 AM
23°
33%
8 AM
25°
45%
9 AM
28°
39%
10 AM
29°
45%
11 AM
30°
58%
12 PM
31°
62%
1 PM
32°
72%
2 PM
32°
72%
3 PM
32°
64%
4 PM
31°
73%
5 PM
29°
60%
6 PM
28°
49%
7 PM
28°
49%
8 PM
27°
49%
9 PM
26°
40%
10 PM
25°
29%
11 PM
24°
25%
12 AM
24°
13%
1 AM
24°
7%
2 AM
23°
7%
7-Day Forecast
Today
32° 22°
Partly Cloudy with a 64% chance of rain.
Mon
35° 22°
Haze.
Tue
36° 21°
Clear.
Wed
28° 17°
Mostly Clear with a 53% chance of rain.
Thu
29° 16°
Clear with a 70% chance of rain.
Fri
31° 17°
Heavy Rain, 90% chance.
Sat
31° 15°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 16% 3 mph W 91%
4 AM 23° Partly Cloudy 15% 2 mph W 93%
5 AM 22° Mostly Clear 15% 3 mph WSW 93%
6 AM 22° Clear 15% 2 mph W 93%
7 AM 23° Clear 33% 3 mph WNW 88%
8 AM 25° Clear 45% 3 mph NW 83%
9 AM 28° Clear 39% 3 mph NNW 77%
10 AM 29° Mostly Clear 45% 3 mph NNW 72%
11 AM 30° Mostly Clear 58% 4 mph NNW 68%
12 PM 31° Partly Cloudy 62% 5 mph NNW 65%
1 PM 32° Partly Cloudy 72% 5 mph NNW 67%
2 PM 32° Partly Cloudy 72% 5 mph N 68%
3 PM 32° Partly Cloudy 64% 5 mph N 70%
4 PM 31° Partly Cloudy 73% 5 mph NNE 73%
5 PM 29° Mostly Cloudy 60% 6 mph NE 77%
6 PM 28° Partly Cloudy 49% 6 mph NE 80%
7 PM 28° Partly Cloudy 49% 6 mph NE 83%
8 PM 27° Partly Cloudy 49% 4 mph ENE 86%
9 PM 26° Partly Cloudy 40% 4 mph E 88%
10 PM 25° Partly Cloudy 29% 4 mph E 90%
11 PM 24° Partly Cloudy 25% 4 mph E 91%
12 AM 24° Mostly Clear 13% 4 mph E 92%
1 AM 24° Mostly Clear 7% 4 mph E 93%
2 AM 23° Mostly Clear 7% 4 mph E 94%
15-Day Forecast
Today
7/19
Partly Cloudy
64%
22°
32°
Mon
7/20
Haze
7%
22°
35°
Tue
7/21
Clear
7%
21°
36°
Wed
7/22
Mostly Clear
53%
17°
28°
Thu
7/23
Clear
70%
16°
29°
Fri
7/24
Heavy Rain
90%
17°
31°
Sat
7/25
Drizzle
63%
15°
31°
Sun
7/26
Clear
18%
18°
34°
Mon
7/27
Rain
44%
19°
37°
Tue
7/28
Clear
44%
22°
38°
Wed
7/29
Drizzle
60%
21°
35°
Thu
7/30
Drizzle
60%
21°
35°
Fri
7/31
Drizzle
60%
22°
37°
Sat
8/1
Clear
60%
22°
36°
Sun
8/2
Clear
25%
21°
36°
54
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
54 AQI 10.7 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 31 54
Mon 55 Moderate 38 55
Tue 56 Moderate 37 56
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
SBCAPE672 J/kg
MLCAPE1132 J/kg
MUCAPE1451 J/kg
SBCIN-130 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear7 kt
0–1 km Shear10 kt
Eff. Shear9 kt
0–1 km SRH0
0–3 km SRH-15
Eff. SRH-15
Storm Motion294° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.0
Thermo & Levels
PWAT2.10 in
0–3 km LR4.7 °C/km
700–500 LR5.5 °C/km
Total Totals45.8
LCL964 hPa
LFC793 hPa
EL215 hPa
Freezing Lvl15,883 ft