Excessive Heat Warning — 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, Warren, MO, Franklin, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO, St. Charles, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO 9:00 PM Excessive Heat Watch 7:00 PM

Ste. Genevieve County, Missouri, United States

Last updated: 1:33 PM CDT  ·  Refresh
35°C
Feels like 38°
Clear
▲ 39°  /  ▼ 24°
Wind
9 mph WSW
Humidity
44%
Dew Point
22°
Pressure
29.14 inHg
Visibility
10 mi
UV Index
9.6
Cloud Cover
0%
Sunrise
5:59 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ste. Genevieve County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2487 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:14PM.

Alerts

Excessive Heat Warning
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, Warren, MO, Franklin, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO, St. Charles, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO
Expires 9:00 PM
Excessive Heat Watch
Expires 7:00 PM
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
3%
2 PM
38°
21%
3 PM
38°
21%
4 PM
38°
21%
5 PM
37°
21%
6 PM
36°
14%
7 PM
34°
15%
8 PM
33°
17%
9 PM
31°
17%
10 PM
30°
26%
11 PM
29°
26%
12 AM
29°
22%
1 AM
28°
17%
2 AM
28°
17%
3 AM
28°
17%
4 AM
28°
5%
5 AM
25°
5%
6 AM
24°
5%
7 AM
26°
9%
8 AM
28°
9%
9 AM
30°
9%
10 AM
31°
19%
11 AM
33°
21%
12 PM
36°
24%
7-Day Forecast
Today
39° 24°
Clear with a 26% chance of rain.
Tue
38° 22°
Partly Cloudy with a 25% chance of rain.
Wed
33° 19°
Mostly Clear.
Thu
34° 18°
Mostly Clear with a 47% chance of rain.
Fri
28° 19°
Rain, 90% chance.
Sat
29° 19°
Rain, 64% chance.
Sun
32° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Clear 3% 9 mph WSW 44%
2 PM 38° Mostly Clear 21% 10 mph WSW 38%
3 PM 38° Clear 21% 10 mph WSW 37%
4 PM 38° Clear 21% 10 mph WSW 38%
5 PM 37° Mostly Clear 21% 9 mph WSW 42%
6 PM 36° Mostly Clear 14% 8 mph WSW 46%
7 PM 34° Mostly Clear 15% 6 mph SW 50%
8 PM 33° Clear 17% 6 mph SW 53%
9 PM 31° Clear 17% 6 mph SW 55%
10 PM 30° Clear 26% 6 mph SW 57%
11 PM 29° Clear 26% 7 mph SW 58%
12 AM 29° Clear 22% 8 mph WSW 60%
1 AM 28° Clear 17% 8 mph WSW 60%
2 AM 28° Clear 17% 8 mph WSW 61%
3 AM 28° Mostly Clear 17% 7 mph W 62%
4 AM 28° Mostly Clear 5% 7 mph W 64%
5 AM 25° Clear 5% 7 mph W 65%
6 AM 24° Clear 5% 7 mph W 67%
7 AM 26° Clear 9% 7 mph W 66%
8 AM 28° Clear 9% 7 mph WNW 62%
9 AM 30° Clear 9% 8 mph WNW 58%
10 AM 31° Mostly Clear 19% 8 mph NW 55%
11 AM 33° Mostly Clear 21% 8 mph NNW 52%
12 PM 36° Partly Cloudy 24% 9 mph N 47%
15-Day Forecast
Today
7/27
Clear
26%
24°
39°
Tue
7/28
Partly Cloudy
25%
22°
38°
Wed
7/29
Mostly Clear
12%
19°
33°
Thu
7/30
Mostly Clear
47%
18°
34°
Fri
7/31
Rain
90%
19°
28°
Sat
8/1
Rain
64%
19°
29°
Sun
8/2
Clear
17%
18°
32°
Mon
8/3
Drizzle
42%
19°
33°
Tue
8/4
Drizzle
44%
19°
36°
Wed
8/5
Thunderstorm
64%
21°
37°
Thu
8/6
Drizzle
64%
22°
36°
Fri
8/7
Drizzle
60%
21°
35°
Sat
8/8
Drizzle
60%
21°
35°
Sun
8/9
Drizzle
60%
21°
35°
Mon
8/10
Drizzle
60%
21°
36°
37
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
37 AQI 6.7 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 37 Good 35 37
Wed 49 Good 49 34
Thu 46 Good 46 43
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 Mon Jul 27, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2567 J/kg
MLCAPE2218 J/kg
MUCAPE2894 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear24 kt
0–1 km Shear10 kt
Eff. Shear27 kt
0–1 km SRH26
0–3 km SRH7
Eff. SRH7
Storm Motion274° @ 25 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.3
K-Index22.6
Thermo & Levels
PWAT1.51 in
0–3 km LR7.4 °C/km
700–500 LR6.0 °C/km
Total Totals41.9
LCL824 hPa
LFC987 hPa
EL152 hPa
Freezing Lvl15,689 ft