Excessive Heat Watch 12:00 AM Heat Advisory — Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Crawford, MO, Washington, MO, St. Francois, MO, Iron, MO, Madison, MO, Reynolds, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Ste. Genevieve, MO 10:00 PM Excessive Heat Warning — 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, Ste. Genevieve, MO, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Audrain, MO, Lincoln, MO, Crawford, MO, Washington, MO, St. Francois, MO, Iron, MO, Madison, MO, Reynolds, MO 8:00 PM

Montgomery County, Missouri, United States

Last updated: 7:05 PM CDT  ·  Refresh
31°C
Feels like 37°
Partly Cloudy
▲ 34°  /  ▼ 22°
Wind
7 mph SSW
Humidity
68%
Dew Point
24°
Pressure
29.15 inHg
Visibility
10 mi
UV Index
3.6
Cloud Cover
41%
Sunrise
5:44 AM
Sunset
8:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montgomery County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3265 J/kg) — isolated convective development possible. Sunrise: 5:44AM · Sunset: 8:35PM.

Alerts

Excessive Heat Watch
Expires 12:00 AM
Heat Advisory
Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Crawford, MO, Washington, MO, St. Francois, MO, Iron, MO, Madison, MO, Reynolds, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Ste. Genevieve, MO
Expires 10:00 PM
Excessive Heat Warning
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, Ste. Genevieve, MO, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Audrain, MO, Lincoln, MO, Crawford, MO, Washington, MO, St. Francois, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 8:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
32%
7 PM
31°
48%
8 PM
28°
47%
9 PM
26°
47%
10 PM
26°
32%
11 PM
25°
31%
12 AM
25°
8%
1 AM
24°
4%
2 AM
24°
8%
3 AM
24°
8%
4 AM
24°
8%
5 AM
22°
8%
6 AM
23°
8%
7 AM
24°
14%
8 AM
26°
25%
9 AM
28°
33%
10 AM
29°
45%
11 AM
30°
45%
12 PM
31°
41%
1 PM
32°
41%
2 PM
32°
41%
3 PM
32°
33%
4 PM
32°
30%
5 PM
31°
31%
7-Day Forecast
Tonight
34° 22°
Partly Cloudy with a 47% chance of rain.
Fri
34° 22°
Mostly Clear with a 41% chance of rain.
Sat
34° 22°
Mostly Clear with a 36% chance of rain.
Sun
31° 19°
Mostly Cloudy with a 65% chance of rain.
Mon
32° 19°
Thunderstorm, 58% chance.
Tue
31° 19°
Drizzle, 51% chance.
Wed
33° 20°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 32% 7 mph SSW 67%
7 PM 31° Partly Cloudy 48% 5 mph S 74%
8 PM 28° Partly Cloudy 47% 7 mph SSE 80%
9 PM 26° Partly Cloudy 47% 9 mph SE 85%
10 PM 26° Partly Cloudy 32% 8 mph SSE 86%
11 PM 25° Partly Cloudy 31% 6 mph S 87%
12 AM 25° Partly Cloudy 8% 7 mph SSW 89%
1 AM 24° Mostly Clear 4% 7 mph SSW 90%
2 AM 24° Partly Cloudy 8% 7 mph SSW 91%
3 AM 24° Mostly Clear 8% 7 mph SSW 92%
4 AM 24° Mostly Clear 8% 6 mph SSW 90%
5 AM 22° Mostly Clear 8% 6 mph SSW 90%
6 AM 23° Clear 8% 6 mph SSW 89%
7 AM 24° Clear 14% 8 mph SSW 84%
8 AM 26° Mostly Clear 25% 8 mph SSW 79%
9 AM 28° Mostly Clear 33% 8 mph SSW 74%
10 AM 29° Mostly Clear 45% 7 mph SW 70%
11 AM 30° Partly Cloudy 45% 7 mph SW 66%
12 PM 31° Partly Cloudy 41% 8 mph SW 62%
1 PM 32° Partly Cloudy 41% 7 mph SW 63%
2 PM 32° Partly Cloudy 41% 6 mph SW 64%
3 PM 32° Partly Cloudy 33% 7 mph SSW 65%
4 PM 32° Partly Cloudy 30% 6 mph SSW 66%
5 PM 31° Partly Cloudy 31% 6 mph SW 67%
15-Day Forecast
Today
7/2
Partly Cloudy
47%
22°
34°
Fri
7/3
Mostly Clear
41%
22°
34°
Sat
7/4
Mostly Clear
36%
22°
34°
Sun
7/5
Mostly Cloudy
65%
19°
31°
Mon
7/6
Thunderstorm
58%
19°
32°
Tue
7/7
Drizzle
51%
19°
31°
Wed
7/8
Drizzle
52%
20°
33°
Thu
7/9
Partly Cloudy
28%
21°
33°
Fri
7/10
Thunderstorm
63%
21°
31°
Sat
7/11
Overcast
44%
20°
32°
Sun
7/12
Drizzle
64%
19°
29°
Mon
7/13
Clear
60%
19°
30°
Tue
7/14
Clear
25%
18°
31°
Wed
7/15
Drizzle
60%
18°
31°
Thu
7/16
Drizzle
60%
20°
32°
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 10.6 µg/m³
O3
Ground-level ozone
27 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 27 54
Sat 56 Moderate 30 56
Sun 57 Moderate 30 57
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 Thu Jul 2, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3889 J/kg
MLCAPE3007 J/kg
MUCAPE3889 J/kg
SBCIN-43 J/kg
MLCIN0 J/kg
Lifted Index-8.5
Kinematics
0–6 km Shear19 kt
0–1 km Shear10 kt
Eff. Shear19 kt
0–1 km SRH14
0–3 km SRH-30
Eff. SRH-30
Storm Motion193° @ 29 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index35.3
Thermo & Levels
PWAT2.07 in
0–3 km LR6.7 °C/km
700–500 LR6.6 °C/km
Total Totals51.2
LCL892 hPa
LFC857 hPa
EL138 hPa
Freezing Lvl15,243 ft