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

Montgomery County, Missouri, United States

Last updated: 3:49 AM CDT  ·  Refresh
24°C
Feels like 27°
Partly Cloudy
▲ 32°  /  ▼ 22°
Wind
4 mph W
Humidity
92%
Dew Point
22°
Pressure
29.11 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
57%
Sunrise
5:55 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montgomery County is currently partly cloudy at 24°C. Precipitation is likely — peak probability 66% around 6 PM. Atmospheric instability is elevated (CAPE up to 2195 J/kg) — isolated convective development possible. Sunrise: 5:55AM · Sunset: 8:28PM.

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
23°
15%
5 AM
22°
15%
6 AM
22°
21%
7 AM
23°
45%
8 AM
25°
49%
9 AM
28°
38%
10 AM
29°
45%
11 AM
29°
62%
12 PM
30°
54%
1 PM
32°
55%
2 PM
32°
57%
3 PM
32°
52%
4 PM
31°
57%
5 PM
30°
57%
6 PM
29°
65%
7 PM
28°
58%
8 PM
27°
62%
9 PM
25°
55%
10 PM
24°
34%
11 PM
24°
34%
12 AM
24°
22%
1 AM
23°
15%
2 AM
23°
15%
7-Day Forecast
Today
32° 22°
Mostly Clear with a 65% chance of rain.
Mon
35° 22°
Mostly Clear.
Tue
36° 19°
Mostly Clear.
Wed
28° 17°
Clear with a 37% chance of rain.
Thu
28° 16°
Clear with a 64% chance of rain.
Fri
30° 17°
Rain, 90% chance.
Sat
31° 15°
Clear with a 63% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 8% 4 mph W 92%
4 AM 23° Mostly Clear 15% 3 mph W 93%
5 AM 22° Mostly Clear 15% 3 mph W 93%
6 AM 22° Clear 21% 2 mph WNW 92%
7 AM 23° Clear 45% 3 mph NW 88%
8 AM 25° Clear 49% 4 mph NNW 84%
9 AM 28° Clear 38% 3 mph N 80%
10 AM 29° Mostly Clear 45% 4 mph N 76%
11 AM 29° Mostly Clear 62% 5 mph N 72%
12 PM 30° Mostly Clear 54% 6 mph N 68%
1 PM 32° Mostly Clear 55% 6 mph N 69%
2 PM 32° Partly Cloudy 57% 6 mph NNE 70%
3 PM 32° Partly Cloudy 52% 6 mph NNE 70%
4 PM 31° Partly Cloudy 57% 6 mph NNE 73%
5 PM 30° Partly Cloudy 57% 6 mph NNE 77%
6 PM 29° Partly Cloudy 65% 8 mph NNE 81%
7 PM 28° Partly Cloudy 58% 7 mph NNE 84%
8 PM 27° Partly Cloudy 62% 6 mph NE 88%
9 PM 25° Partly Cloudy 55% 5 mph ENE 91%
10 PM 24° Partly Cloudy 34% 5 mph E 93%
11 PM 24° Mostly Clear 34% 5 mph E 93%
12 AM 24° Clear 22% 5 mph E 94%
1 AM 23° Mostly Clear 15% 5 mph E 94%
2 AM 23° Mostly Clear 15% 5 mph E 94%
15-Day Forecast
Today
7/19
Mostly Clear
65%
22°
32°
Mon
7/20
Mostly Clear
16%
22°
35°
Tue
7/21
Mostly Clear
10%
19°
36°
Wed
7/22
Clear
37%
17°
28°
Thu
7/23
Clear
64%
16°
28°
Fri
7/24
Rain
90%
17°
30°
Sat
7/25
Clear
63%
15°
31°
Sun
7/26
Clear
18%
17°
34°
Mon
7/27
Thunderstorm
44%
19°
37°
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%
21°
37°
Sun
8/2
Clear
25%
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 9.9 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 31 52
Mon 63 Moderate 37 63
Tue 82 Moderate 33 82
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
SBCAPE735 J/kg
MLCAPE1078 J/kg
MUCAPE1210 J/kg
SBCIN-114 J/kg
MLCIN0 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear7 kt
0–1 km Shear11 kt
Eff. Shear8 kt
0–1 km SRH-0
0–3 km SRH-22
Eff. SRH-22
Storm Motion297° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.5
Thermo & Levels
PWAT2.20 in
0–3 km LR4.9 °C/km
700–500 LR5.3 °C/km
Total Totals45.8
LCL968 hPa
LFC778 hPa
EL213 hPa
Freezing Lvl15,928 ft