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

Monroe County, Missouri, United States

Last updated: 6:51 PM CDT  ·  Refresh
32°C
Feels like 38°
Partly Cloudy
▲ 33°  /  ▼ 23°
Wind
10 mph S
Humidity
66%
Dew Point
24°
Pressure
29.22 inHg
Visibility
10 mi
UV Index
4.2
Cloud Cover
30%
Sunrise
5:45 AM
Sunset
8:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Monroe County is currently partly cloudy at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3451 J/kg) — isolated convective development possible. Sunrise: 5:45AM · Sunset: 8:38PM.

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
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
13%
7 PM
31°
31%
8 PM
29°
31%
9 PM
28°
19%
10 PM
27°
19%
11 PM
26°
19%
12 AM
26°
12%
1 AM
25°
7%
2 AM
25°
8%
3 AM
24°
8%
4 AM
24°
8%
5 AM
23°
8%
6 AM
23°
8%
7 AM
24°
8%
8 AM
26°
8%
9 AM
28°
8%
10 AM
29°
15%
11 AM
30°
18%
12 PM
31°
14%
1 PM
32°
14%
2 PM
32°
14%
3 PM
32°
14%
4 PM
32°
14%
5 PM
32°
11%
7-Day Forecast
Tonight
33° 23°
Partly Cloudy.
Fri
33° 23°
Partly Cloudy.
Sat
32° 22°
Partly Cloudy with a 65% chance of rain.
Sun
31° 20°
Mostly Cloudy with a 62% chance of rain.
Mon
30° 19°
Clear.
Tue
29° 19°
Rain, 70% chance.
Wed
31° 21°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 13% 10 mph S 66%
7 PM 31° Partly Cloudy 31% 8 mph S 71%
8 PM 29° Partly Cloudy 31% 8 mph S 75%
9 PM 28° Partly Cloudy 19% 8 mph S 78%
10 PM 27° Partly Cloudy 19% 8 mph S 80%
11 PM 26° Partly Cloudy 19% 7 mph S 83%
12 AM 26° Mostly Clear 12% 6 mph SSW 85%
1 AM 25° Mostly Clear 7% 6 mph SSW 86%
2 AM 25° Mostly Clear 8% 6 mph SSW 88%
3 AM 24° Clear 8% 6 mph SSW 91%
4 AM 24° Clear 8% 6 mph SSW 90%
5 AM 23° Mostly Clear 8% 6 mph SSW 89%
6 AM 23° Partly Cloudy 8% 6 mph SSW 87%
7 AM 24° Partly Cloudy 8% 8 mph SSW 82%
8 AM 26° Partly Cloudy 8% 8 mph SW 77%
9 AM 28° Partly Cloudy 8% 9 mph SW 71%
10 AM 29° Partly Cloudy 15% 8 mph SW 67%
11 AM 30° Partly Cloudy 18% 8 mph SW 64%
12 PM 31° Partly Cloudy 14% 8 mph SW 61%
1 PM 32° Partly Cloudy 14% 8 mph SW 60%
2 PM 32° Partly Cloudy 14% 8 mph SSW 59%
3 PM 32° Partly Cloudy 14% 9 mph SSW 58%
4 PM 32° Partly Cloudy 14% 8 mph SSW 61%
5 PM 32° Partly Cloudy 11% 8 mph SSW 65%
15-Day Forecast
Today
7/2
Partly Cloudy
19%
23°
33°
Fri
7/3
Partly Cloudy
14%
23°
33°
Sat
7/4
Partly Cloudy
65%
22°
32°
Sun
7/5
Mostly Cloudy
62%
20°
31°
Mon
7/6
Clear
16%
19°
30°
Tue
7/7
Rain
70%
19°
29°
Wed
7/8
Clear
30%
21°
31°
Thu
7/9
Thunderstorm
82%
21°
31°
Fri
7/10
Rain
90%
21°
30°
Sat
7/11
Thunderstorm
68%
20°
32°
Sun
7/12
Drizzle
64%
19°
28°
Mon
7/13
Drizzle
60%
19°
29°
Tue
7/14
Drizzle
60%
18°
29°
Wed
7/15
Drizzle
60%
19°
29°
Thu
7/16
Drizzle
60%
20°
31°
49
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
49 AQI 8.9 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 49 Good 30 49
Sat 58 Moderate 31 58
Sun 58 Moderate 29 58
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
SBCAPE3703 J/kg
MLCAPE3092 J/kg
MUCAPE3703 J/kg
SBCIN-37 J/kg
MLCIN0 J/kg
Lifted Index-8.4
Kinematics
0–6 km Shear24 kt
0–1 km Shear8 kt
Eff. Shear26 kt
0–1 km SRH14
0–3 km SRH-45
Eff. SRH-45
Storm Motion199° @ 32 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT2.00 in
0–3 km LR7.0 °C/km
700–500 LR6.6 °C/km
Total Totals51.2
LCL880 hPa
LFC847 hPa
EL140 hPa
Freezing Lvl14,918 ft