Heat Advisory — 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, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 7:00 PM

Saint Francois County, Missouri, United States

Last updated: 3:47 AM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Clear
▲ 33°  /  ▼ 22°
Wind
4 mph WSW
Humidity
85%
Dew Point
21°
Pressure
28.94 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
23%
Sunrise
5:55 AM
Sunset
8:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Francois County is currently mostly clear at 24°C. Precipitation is likely — peak probability 77% around 3 PM. Atmospheric instability is elevated (CAPE up to 2230 J/kg) — isolated convective development possible. Sunrise: 5:55AM · Sunset: 8:21PM.

Alerts

Heat Advisory
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, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO
Expires 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
8%
4 AM
23°
15%
5 AM
22°
31%
6 AM
22°
33%
7 AM
24°
32%
8 AM
26°
39%
9 AM
29°
40%
10 AM
29°
55%
11 AM
30°
58%
12 PM
31°
59%
1 PM
32°
68%
2 PM
32°
73%
3 PM
31°
77%
4 PM
30°
68%
5 PM
28°
66%
6 PM
27°
54%
7 PM
26°
46%
8 PM
26°
47%
9 PM
24°
33%
10 PM
23°
19%
11 PM
23°
19%
12 AM
23°
9%
1 AM
23°
13%
2 AM
23°
20%
7-Day Forecast
Today
33° 22°
Mostly Cloudy with a 77% chance of rain.
Mon
35° 22°
Partly Cloudy with a 21% chance of rain.
Tue
40° 21°
Mostly Clear with a 28% chance of rain.
Wed
30° 16°
Mostly Clear.
Thu
31° 15°
Clear.
Fri
31° 16°
Heavy Rain, 82% chance.
Sat
31° 16°
Drizzle, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 8% 4 mph WSW 85%
4 AM 23° Mostly Clear 15% 5 mph WSW 85%
5 AM 22° Partly Cloudy 31% 5 mph W 86%
6 AM 22° Mostly Cloudy 33% 5 mph W 86%
7 AM 24° Mostly Clear 32% 6 mph WNW 81%
8 AM 26° Mostly Clear 39% 6 mph WNW 76%
9 AM 29° Mostly Clear 40% 5 mph WNW 71%
10 AM 29° Partly Cloudy 55% 5 mph WNW 68%
11 AM 30° Partly Cloudy 58% 4 mph WNW 66%
12 PM 31° Mostly Cloudy 59% 4 mph W 64%
1 PM 32° Overcast 68% 5 mph W 67%
2 PM 32° Overcast 73% 4 mph NW 70%
3 PM 31° Overcast 77% 5 mph NNW 75%
4 PM 30° Overcast 68% 5 mph N 80%
5 PM 28° Rain 66% 4 mph N 87%
6 PM 27° Rain 54% 5 mph NNE 94%
7 PM 26° Rain 46% 4 mph NE 96%
8 PM 26° Drizzle 47% 4 mph NNE 96%
9 PM 24° Mostly Cloudy 33% 3 mph NNW 97%
10 PM 23° Mostly Cloudy 19% 3 mph N 97%
11 PM 23° Haze 19% 2 mph NNE 96%
12 AM 23° Fog 9% 2 mph NE 96%
1 AM 23° Fog 13% 2 mph ENE 96%
2 AM 23° Fog 20% 2 mph ENE 97%
15-Day Forecast
Today
7/19
Mostly Cloudy
77%
22°
33°
Mon
7/20
Partly Cloudy
21%
22°
35°
Tue
7/21
Mostly Clear
28%
21°
40°
Wed
7/22
Mostly Clear
16%
16°
30°
Thu
7/23
Clear
16%
15°
31°
Fri
7/24
Heavy Rain
82%
16°
31°
Sat
7/25
Drizzle
82%
16°
31°
Sun
7/26
Drizzle
42%
17°
34°
Mon
7/27
Thunderstorm
44%
18°
37°
Tue
7/28
Clear
36%
22°
37°
Wed
7/29
Drizzle
60%
21°
36°
Thu
7/30
Clear
60%
21°
36°
Fri
7/31
Drizzle
60%
21°
37°
Sat
8/1
Drizzle
60%
22°
36°
Sun
8/2
Clear
60%
21°
36°
51
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
51 AQI 9.3 µg/m³
O3
Ground-level ozone
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 23 51
Mon 52 Moderate 33 52
Tue 61 Moderate 25 61
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 19, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE351 J/kg
MLCAPE481 J/kg
MUCAPE763 J/kg
SBCIN-169 J/kg
MLCIN0 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear9 kt
0–1 km Shear15 kt
Eff. Shear10 kt
0–1 km SRH9
0–3 km SRH11
Eff. SRH11
Storm Motion295° @ 25 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.2
Thermo & Levels
PWAT1.78 in
0–3 km LR4.9 °C/km
700–500 LR5.5 °C/km
Total Totals44.2
LCL947 hPa
LFC781 hPa
EL240 hPa
Freezing Lvl15,253 ft