Extreme Heat Warning — Clinton, IL, Washington, IL, Randolph, IL, Madison, IL, St. Clair, IL, Monroe, IL, 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 8:00 PM Heat Advisory — Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Marion, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, 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, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 8:00 PM

Ste. Genevieve County, Missouri, United States

Last updated: 5:17 AM CDT  ·  Refresh
26°C
Feels like 27°
Mostly Clear
▲ 37°  /  ▼ 25°
Wind
8 mph SW
Humidity
72%
Dew Point
21°
Pressure
29.27 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
12%
Sunrise
6:12 AM
Sunset
7:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ste. Genevieve County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2498 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 7:58PM.

Alerts

Extreme Heat Warning
Clinton, IL, Washington, IL, Randolph, IL, Madison, IL, St. Clair, IL, Monroe, IL, 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
Expires 8:00 PM
Heat Advisory
Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Marion, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, 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, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 8:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
7%
6 AM
23°
23%
7 AM
24°
20%
8 AM
26°
20%
9 AM
28°
20%
10 AM
30°
20%
11 AM
31°
14%
12 PM
32°
14%
1 PM
36°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
5%
9 PM
29°
8%
10 PM
29°
14%
11 PM
28°
14%
12 AM
27°
14%
1 AM
27°
14%
2 AM
27°
14%
3 AM
27°
15%
4 AM
26°
15%
7-Day Forecast
Today
37° 25°
Mostly Clear with a 20% chance of rain.
Wed
39° 25°
Mostly Clear with a 46% chance of rain.
Thu
39° 24°
Mostly Clear with a 28% chance of rain.
Fri
36° 23°
Clear.
Sat
40° 23°
Clear.
Sun
41° 23°
Mostly Clear with a 28% chance of rain.
Mon
35° 21°
Mostly Cloudy with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 7% 8 mph SW 72%
6 AM 23° Clear 23% 9 mph SW 70%
7 AM 24° Clear 20% 10 mph SW 69%
8 AM 26° Clear 20% 10 mph SW 64%
9 AM 28° Clear 20% 11 mph SW 59%
10 AM 30° Clear 20% 11 mph SW 55%
11 AM 31° Mostly Clear 14% 11 mph SW 52%
12 PM 32° Mostly Clear 14% 11 mph SW 47%
1 PM 36° Mostly Clear 3% 10 mph SW 44%
2 PM 36° Mostly Clear 3% 10 mph SW 42%
3 PM 36° Mostly Clear 3% 10 mph SW 41%
4 PM 36° Mostly Clear 3% 9 mph SW 41%
5 PM 36° Partly Cloudy 3% 8 mph SW 45%
6 PM 34° Mostly Clear 3% 7 mph SW 49%
7 PM 33° Mostly Clear 3% 6 mph SSW 54%
8 PM 32° Partly Cloudy 5% 6 mph SSW 57%
9 PM 29° Partly Cloudy 8% 6 mph SSW 60%
10 PM 29° Partly Cloudy 14% 7 mph SSW 63%
11 PM 28° Partly Cloudy 14% 7 mph SSW 64%
12 AM 27° Partly Cloudy 14% 7 mph SSW 65%
1 AM 27° Partly Cloudy 14% 8 mph SW 66%
2 AM 27° Partly Cloudy 14% 8 mph SW 66%
3 AM 27° Mostly Clear 15% 7 mph SW 66%
4 AM 26° Mostly Clear 15% 7 mph SW 67%
15-Day Forecast
Today
8/11
Mostly Clear
20%
25°
37°
Wed
8/12
Mostly Clear
46%
25°
39°
Thu
8/13
Mostly Clear
28%
24°
39°
Fri
8/14
Clear
15%
23°
36°
Sat
8/15
Clear
15%
23°
40°
Sun
8/16
Mostly Clear
28%
23°
41°
Mon
8/17
Mostly Cloudy
25%
21°
35°
Tue
8/18
Rain
53%
19°
38°
Wed
8/19
Mostly Clear
35%
22°
39°
Thu
8/20
Clear
35%
23°
39°
Fri
8/21
Clear
60%
21°
38°
Sat
8/22
Drizzle
60%
21°
36°
Sun
8/23
Clear
60%
21°
36°
Mon
8/24
Drizzle
60%
20°
34°
Tue
8/25
Drizzle
60%
19°
34°
39
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
39 AQI 7.0 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 34 39
Wed 30 Good 30 19
Thu 33 Good 33 24
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 Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1028 J/kg
MLCAPE1053 J/kg
MUCAPE1269 J/kg
SBCIN-473 J/kg
MLCIN0 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear15 kt
0–1 km Shear14 kt
Eff. Shear19 kt
0–1 km SRH119
0–3 km SRH96
Eff. SRH-22
Storm Motion332° @ 13 kt
0–1 km EHI0.8
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.4
Thermo & Levels
PWAT1.65 in
0–3 km LR4.4 °C/km
700–500 LR8.0 °C/km
Total Totals55.3
LCL929 hPa
LFC637 hPa
EL211 hPa
Freezing Lvl14,551 ft