Excessive Heat Warning — Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Clinton, IL, Marion, IL, Washington, IL, Randolph, 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, 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 9:00 PM Excessive Heat Watch 7:00 PM

Ste. Genevieve County, Missouri, United States

Last updated: 7:44 AM CDT  ·  Refresh
27°C
Feels like 31°
Partly Cloudy
▲ 38°  /  ▼ 24°
Wind
4 mph W
Humidity
86%
Dew Point
24°
Pressure
29.24 inHg
Visibility
5 mi
UV Index
4.0
Cloud Cover
59%
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 partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3899 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:14PM.

Alerts

Excessive Heat Warning
Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Clinton, IL, Marion, IL, Washington, IL, Randolph, 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, 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
Expires 9:00 PM
Excessive Heat Watch
Expires 7:00 PM
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
8 AM
28°
29%
9 AM
31°
21%
10 AM
32°
31%
11 AM
33°
31%
12 PM
34°
30%
1 PM
36°
35%
2 PM
37°
35%
3 PM
37°
35%
4 PM
36°
36%
5 PM
36°
32%
6 PM
32°
42%
7 PM
31°
42%
8 PM
30°
17%
9 PM
28°
17%
10 PM
27°
8%
11 PM
27°
8%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
25°
3%
7-Day Forecast
Today
38° 24°
Partly Cloudy with a 42% chance of rain.
Mon
39° 24°
Mostly Clear with a 21% chance of rain.
Tue
38° 23°
Partly Cloudy with a 42% chance of rain.
Wed
32° 19°
Mostly Cloudy with a 44% chance of rain.
Thu
32° 18°
Rain, 29% chance.
Fri
29° 19°
Rain, 64% chance.
Sat
31° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 11% 4 mph W 86%
8 AM 28° Mostly Cloudy 29% 4 mph W 78%
9 AM 31° Mostly Cloudy 21% 4 mph WNW 72%
10 AM 32° Partly Cloudy 31% 4 mph W 67%
11 AM 33° Partly Cloudy 31% 4 mph W 63%
12 PM 34° Partly Cloudy 30% 5 mph W 58%
1 PM 36° Partly Cloudy 35% 5 mph W 55%
2 PM 37° Partly Cloudy 35% 5 mph W 53%
3 PM 37° Partly Cloudy 35% 6 mph WSW 50%
4 PM 36° Partly Cloudy 36% 6 mph W 53%
5 PM 36° Drizzle 32% 7 mph W 58%
6 PM 32° Rain 42% 9 mph NW 64%
7 PM 31° Overcast 42% 6 mph WNW 68%
8 PM 30° Mostly Cloudy 17% 4 mph WSW 71%
9 PM 28° Mostly Cloudy 17% 5 mph SSW 73%
10 PM 27° Partly Cloudy 8% 6 mph SSW 73%
11 PM 27° Partly Cloudy 8% 6 mph SW 72%
12 AM 27° Mostly Clear 3% 6 mph SW 71%
1 AM 26° Mostly Clear 3% 6 mph SW 72%
2 AM 26° Mostly Clear 3% 6 mph SW 72%
3 AM 26° Mostly Clear 3% 6 mph SW 73%
4 AM 26° Mostly Clear 3% 5 mph SW 74%
5 AM 25° Mostly Clear 3% 5 mph SW 76%
6 AM 25° Mostly Clear 3% 5 mph SSW 77%
15-Day Forecast
Today
7/26
Partly Cloudy
42%
24°
38°
Mon
7/27
Mostly Clear
21%
24°
39°
Tue
7/28
Partly Cloudy
42%
23°
38°
Wed
7/29
Mostly Cloudy
44%
19°
32°
Thu
7/30
Rain
29%
18°
32°
Fri
7/31
Rain
64%
19°
29°
Sat
8/1
Clear
52%
18°
31°
Sun
8/2
Clear
18%
19°
31°
Mon
8/3
Drizzle
44%
19°
32°
Tue
8/4
Drizzle
51%
21°
34°
Wed
8/5
Drizzle
60%
22°
34°
Thu
8/6
Drizzle
60%
21°
33°
Fri
8/7
Drizzle
60%
21°
33°
Sat
8/8
Drizzle
60%
21°
33°
Sun
8/9
Drizzle
60%
22°
34°
43
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
43 AQI 7.9 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 43 Good 35 43
Tue 41 Good 30 41
Wed 49 Good 49 31
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 Sun Jul 26, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2038 J/kg
MLCAPE1723 J/kg
MUCAPE2038 J/kg
SBCIN-213 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear13 kt
0–1 km Shear13 kt
Eff. Shear15 kt
0–1 km SRH8
0–3 km SRH-26
Eff. SRH-26
Storm Motion315° @ 23 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.6
Thermo & Levels
PWAT1.60 in
0–3 km LR4.9 °C/km
700–500 LR5.6 °C/km
Total Totals45.2
LCL957 hPa
LFC719 hPa
EL175 hPa
Freezing Lvl16,893 ft