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

Saint Francois County, Missouri, United States

Last updated: 7:44 AM CDT  ·  Refresh
26°C
Feels like 30°
Partly Cloudy
▲ 37°  /  ▼ 23°
Wind
4 mph W
Humidity
86%
Dew Point
24°
Pressure
28.95 inHg
Visibility
6 mi
UV Index
4.6
Cloud Cover
34%
Sunrise
6:00 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Francois County is currently partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3843 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 8:15PM.

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
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
11%
8 AM
28°
33%
9 AM
30°
25%
10 AM
32°
25%
11 AM
33°
25%
12 PM
33°
14%
1 PM
35°
24%
2 PM
36°
24%
3 PM
36°
24%
4 PM
35°
24%
5 PM
35°
29%
6 PM
33°
29%
7 PM
31°
29%
8 PM
30°
17%
9 PM
28°
17%
10 PM
27°
17%
11 PM
27°
8%
12 AM
26°
3%
1 AM
25°
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
37° 23°
Partly Cloudy with a 29% chance of rain.
Mon
39° 24°
Clear.
Tue
39° 23°
Partly Cloudy with a 48% chance of rain.
Wed
33° 19°
Mostly Cloudy with a 44% chance of rain.
Thu
34° 18°
Rain, 43% chance.
Fri
31° 19°
Rain, 64% chance.
Sat
32° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 11% 4 mph W 86%
8 AM 28° Partly Cloudy 33% 5 mph W 78%
9 AM 30° Partly Cloudy 25% 5 mph WNW 72%
10 AM 32° Partly Cloudy 25% 6 mph W 67%
11 AM 33° Mostly Clear 25% 6 mph W 62%
12 PM 33° Mostly Clear 14% 6 mph W 57%
1 PM 35° Partly Cloudy 24% 6 mph W 56%
2 PM 36° Partly Cloudy 24% 6 mph W 55%
3 PM 36° Partly Cloudy 24% 8 mph WSW 54%
4 PM 35° Partly Cloudy 24% 7 mph WSW 56%
5 PM 35° Partly Cloudy 29% 8 mph WNW 60%
6 PM 33° Mostly Cloudy 29% 8 mph NNW 64%
7 PM 31° Mostly Cloudy 29% 6 mph NNW 67%
8 PM 30° Mostly Cloudy 17% 5 mph WSW 68%
9 PM 28° Partly Cloudy 17% 5 mph S 68%
10 PM 27° Partly Cloudy 17% 5 mph S 69%
11 PM 27° Mostly Clear 8% 5 mph SSW 71%
12 AM 26° Mostly Clear 3% 5 mph SSW 73%
1 AM 25° Mostly Clear 3% 5 mph SSW 72%
2 AM 26° Mostly Clear 3% 5 mph SW 72%
3 AM 26° Clear 3% 5 mph SW 72%
4 AM 26° Clear 3% 5 mph SW 72%
5 AM 25° Mostly Clear 3% 5 mph SW 74%
6 AM 25° Mostly Clear 3% 5 mph SW 75%
15-Day Forecast
Today
7/26
Partly Cloudy
29%
23°
37°
Mon
7/27
Clear
6%
24°
39°
Tue
7/28
Partly Cloudy
48%
23°
39°
Wed
7/29
Mostly Cloudy
44%
19°
33°
Thu
7/30
Rain
43%
18°
34°
Fri
7/31
Rain
64%
19°
31°
Sat
8/1
Clear
52%
18°
32°
Sun
8/2
Clear
18%
19°
31°
Mon
8/3
Drizzle
44%
19°
33°
Tue
8/4
Drizzle
51%
21°
34°
Wed
8/5
Drizzle
60%
22°
35°
Thu
8/6
Drizzle
60%
21°
34°
Fri
8/7
Drizzle
60%
21°
34°
Sat
8/8
Drizzle
60%
20°
34°
Sun
8/9
Drizzle
60%
21°
35°
45
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
45 AQI 8.2 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 45 Good 35 45
Tue 39 Good 28 39
Wed 58 Moderate 58 29
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
SBCAPE1944 J/kg
MLCAPE1785 J/kg
MUCAPE2069 J/kg
SBCIN-220 J/kg
MLCIN0 J/kg
Lifted Index-3.4
Kinematics
0–6 km Shear12 kt
0–1 km Shear15 kt
Eff. Shear14 kt
0–1 km SRH5
0–3 km SRH-38
Eff. SRH-38
Storm Motion315° @ 22 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.7
Thermo & Levels
PWAT1.51 in
0–3 km LR5.0 °C/km
700–500 LR5.6 °C/km
Total Totals44.9
LCL948 hPa
LFC716 hPa
EL176 hPa
Freezing Lvl16,670 ft