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: 6:02 PM CDT  ·  Refresh
32°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 22°
Wind
10 mph SSW
Humidity
64%
Dew Point
24°
Pressure
29.24 inHg
Visibility
10 mi
UV Index
5.6
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 3544 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°
29%
7 PM
33°
45%
8 PM
31°
31%
9 PM
29°
31%
10 PM
28°
19%
11 PM
27°
19%
12 AM
26°
19%
1 AM
26°
7%
2 AM
25°
8%
3 AM
24°
8%
4 AM
24°
16%
5 AM
24°
17%
6 AM
22°
17%
7 AM
23°
17%
8 AM
25°
17%
9 AM
27°
18%
10 AM
28°
18%
11 AM
29°
18%
12 PM
30°
18%
1 PM
32°
15%
2 PM
32°
15%
3 PM
32°
15%
4 PM
32°
5%
5 PM
32°
5%
7-Day Forecast
Tonight
33° 22°
Partly Cloudy with a 31% chance of rain.
Fri
33° 22°
Partly Cloudy.
Sat
32° 22°
Partly Cloudy with a 65% chance of rain.
Sun
31° 20°
Mostly Cloudy with a 77% chance of rain.
Mon
29° 19°
Clear with a 30% chance of rain.
Tue
29° 19°
Rain, 70% chance.
Wed
31° 19°
Thunderstorm, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 29% 10 mph SSW 64%
7 PM 33° Partly Cloudy 45% 8 mph S 69%
8 PM 31° Partly Cloudy 31% 7 mph S 74%
9 PM 29° Partly Cloudy 31% 8 mph S 78%
10 PM 28° Partly Cloudy 19% 8 mph S 81%
11 PM 27° Partly Cloudy 19% 8 mph S 83%
12 AM 26° Mostly Clear 19% 7 mph S 84%
1 AM 26° Mostly Clear 7% 6 mph SSW 85%
2 AM 25° Mostly Clear 8% 6 mph SSW 86%
3 AM 24° Mostly Clear 8% 6 mph SSW 88%
4 AM 24° Clear 16% 6 mph SSW 91%
5 AM 24° Mostly Clear 17% 6 mph SSW 90%
6 AM 22° Partly Cloudy 17% 6 mph SSW 88%
7 AM 23° Partly Cloudy 17% 6 mph SSW 86%
8 AM 25° Partly Cloudy 17% 8 mph SSW 81%
9 AM 27° Partly Cloudy 18% 9 mph SW 76%
10 AM 28° Mostly Cloudy 18% 9 mph SW 70%
11 AM 29° Mostly Cloudy 18% 9 mph SW 67%
12 PM 30° Partly Cloudy 18% 8 mph SW 63%
1 PM 32° Partly Cloudy 15% 8 mph SW 61%
2 PM 32° Partly Cloudy 15% 8 mph SW 60%
3 PM 32° Mostly Cloudy 15% 9 mph SSW 59%
4 PM 32° Mostly Cloudy 5% 9 mph SSW 58%
5 PM 32° Partly Cloudy 5% 8 mph SSW 62%
15-Day Forecast
Today
7/2
Partly Cloudy
31%
22°
33°
Fri
7/3
Partly Cloudy
19%
22°
33°
Sat
7/4
Partly Cloudy
65%
22°
32°
Sun
7/5
Mostly Cloudy
77%
20°
31°
Mon
7/6
Clear
30%
19°
29°
Tue
7/7
Rain
70%
19°
29°
Wed
7/8
Thunderstorm
52%
19°
31°
Thu
7/9
Thunderstorm
80%
22°
31°
Fri
7/10
Thunderstorm
90%
20°
31°
Sat
7/11
Rain
68%
20°
29°
Sun
7/12
Rain
64%
19°
29°
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3781 J/kg
MLCAPE2775 J/kg
MUCAPE3781 J/kg
SBCIN-21 J/kg
MLCIN0 J/kg
Lifted Index-8.5
Kinematics
0–6 km Shear23 kt
0–1 km Shear6 kt
Eff. Shear25 kt
0–1 km SRH5
0–3 km SRH-47
Eff. SRH-47
Storm Motion195° @ 31 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT2.00 in
0–3 km LR7.3 °C/km
700–500 LR6.4 °C/km
Total Totals51.4
LCL873 hPa
LFC849 hPa
EL141 hPa
Freezing Lvl14,964 ft