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

Ste. Genevieve County, Missouri, United States

Last updated: 7:07 PM CDT  ·  Refresh
31°C
Feels like 37°
Mostly Clear
▲ 34°  /  ▼ 22°
Wind
10 mph SSE
Humidity
70%
Dew Point
22°
Pressure
29.32 inHg
Visibility
10 mi
UV Index
3.4
Cloud Cover
21%
Sunrise
5:42 AM
Sunset
8:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ste. Genevieve County is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2900 J/kg) — isolated convective development possible. Sunrise: 5:42AM · Sunset: 8:26PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
30%
8 PM
30°
46%
9 PM
29°
34%
10 PM
27°
23%
11 PM
26°
23%
12 AM
25°
16%
1 AM
24°
7%
2 AM
24°
7%
3 AM
24°
8%
4 AM
24°
8%
5 AM
24°
8%
6 AM
22°
8%
7 AM
23°
8%
8 AM
25°
14%
9 AM
27°
14%
10 AM
29°
23%
11 AM
30°
23%
12 PM
31°
20%
1 PM
32°
18%
2 PM
35°
18%
3 PM
34°
19%
4 PM
34°
19%
5 PM
34°
9%
6 PM
33°
10%
7-Day Forecast
Tonight
34° 22°
Mostly Clear with a 30% chance of rain.
Fri
36° 22°
Mostly Clear with a 23% chance of rain.
Sat
36° 22°
Partly Cloudy with a 64% chance of rain.
Sun
33° 20°
Mostly Cloudy with a 50% chance of rain.
Mon
33° 20°
Thunderstorm, 64% chance.
Tue
33° 19°
Thunderstorm, 51% chance.
Wed
34° 19°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 30% 11 mph SSE 69%
8 PM 30° Partly Cloudy 46% 8 mph SSE 73%
9 PM 29° Mostly Clear 34% 6 mph SSE 77%
10 PM 27° Mostly Clear 23% 5 mph SSW 80%
11 PM 26° Mostly Clear 23% 4 mph SSW 82%
12 AM 25° Partly Cloudy 16% 4 mph SSW 84%
1 AM 24° Partly Cloudy 7% 4 mph SSW 86%
2 AM 24° Partly Cloudy 7% 4 mph SSW 86%
3 AM 24° Partly Cloudy 8% 3 mph SSW 86%
4 AM 24° Partly Cloudy 8% 3 mph SW 86%
5 AM 24° Mostly Clear 8% 3 mph SSW 86%
6 AM 22° Mostly Clear 8% 3 mph S 87%
7 AM 23° Clear 8% 3 mph S 86%
8 AM 25° Clear 14% 4 mph SSW 78%
9 AM 27° Mostly Clear 14% 4 mph S 71%
10 AM 29° Mostly Clear 23% 5 mph SSW 63%
11 AM 30° Partly Cloudy 23% 6 mph S 58%
12 PM 31° Partly Cloudy 20% 6 mph S 54%
1 PM 32° Partly Cloudy 18% 6 mph S 49%
2 PM 35° Partly Cloudy 18% 6 mph S 50%
3 PM 34° Partly Cloudy 19% 7 mph S 50%
4 PM 34° Partly Cloudy 19% 7 mph S 51%
5 PM 34° Partly Cloudy 9% 6 mph S 55%
6 PM 33° Mostly Clear 10% 6 mph S 58%
15-Day Forecast
Today
7/2
Mostly Clear
30%
22°
34°
Fri
7/3
Mostly Clear
23%
22°
36°
Sat
7/4
Partly Cloudy
64%
22°
36°
Sun
7/5
Mostly Cloudy
50%
20°
33°
Mon
7/6
Thunderstorm
64%
20°
33°
Tue
7/7
Thunderstorm
51%
19°
33°
Wed
7/8
Rain
63%
19°
34°
Thu
7/9
Rain
63%
22°
33°
Fri
7/10
Rain
68%
22°
34°
Sat
7/11
Thunderstorm
51%
21°
34°
Sun
7/12
Rain
68%
20°
31°
Mon
7/13
Drizzle
60%
19°
32°
Tue
7/14
Drizzle
60%
19°
32°
Wed
7/15
Drizzle
60%
19°
32°
Thu
7/16
Drizzle
60%
20°
33°
58
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
58 AQI 13.2 µg/m³
O3
Ground-level ozone
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 32 58
Sat 56 Moderate 32 56
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
SBCAPE2064 J/kg
MLCAPE2536 J/kg
MUCAPE2805 J/kg
SBCIN-161 J/kg
MLCIN0 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear6 kt
0–1 km Shear7 kt
Eff. Shear2 kt
0–1 km SRH-22
0–3 km SRH-35
Eff. SRH-35
Storm Motion180° @ 26 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.8
Thermo & Levels
PWAT1.75 in
0–3 km LR6.6 °C/km
700–500 LR6.3 °C/km
Total Totals49.3
LCL872 hPa
LFC746 hPa
EL159 hPa
Freezing Lvl15,118 ft