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

Iron County, Missouri, United States

Last updated: 3:48 AM CDT  ·  Refresh
23°C
Feels like 26°
Mostly Clear
▲ 33°  /  ▼ 21°
Wind
5 mph WSW
Humidity
88%
Dew Point
21°
Pressure
28.66 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
23%
Sunrise
5:56 AM
Sunset
8:21 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Iron County is currently mostly clear at 23°C. Precipitation is likely — peak probability 77% around 1 PM. Atmospheric instability is elevated (CAPE up to 2191 J/kg) — isolated convective development possible. Sunrise: 5:56AM · 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
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
11%
4 AM
23°
25%
5 AM
22°
60%
6 AM
22°
43%
7 AM
23°
51%
8 AM
24°
40%
9 AM
28°
42%
10 AM
28°
58%
11 AM
29°
59%
12 PM
30°
63%
1 PM
32°
76%
2 PM
32°
72%
3 PM
31°
67%
4 PM
30°
67%
5 PM
28°
67%
6 PM
27°
54%
7 PM
27°
41%
8 PM
26°
41%
9 PM
24°
27%
10 PM
23°
12%
11 PM
23°
22%
12 AM
23°
18%
1 AM
23°
22%
2 AM
23°
23%
7-Day Forecast
Today
33° 21°
Mostly Cloudy with a 67% chance of rain.
Mon
35° 21°
Fog with a 38% chance of rain.
Tue
40° 21°
Partly Cloudy with a 28% chance of rain.
Wed
31° 16°
Mostly Clear.
Thu
32° 15°
Clear with a 30% chance of rain.
Fri
32° 16°
Heavy Rain, 82% chance.
Sat
31° 16°
Drizzle, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 11% 5 mph WSW 88%
4 AM 23° Partly Cloudy 25% 5 mph W 86%
5 AM 22° Mostly Cloudy 60% 5 mph W 86%
6 AM 22° Mostly Cloudy 43% 5 mph W 86%
7 AM 23° Partly Cloudy 51% 6 mph WNW 82%
8 AM 24° Partly Cloudy 40% 6 mph WNW 78%
9 AM 28° Mostly Clear 42% 6 mph WNW 74%
10 AM 28° Mostly Clear 58% 5 mph WNW 71%
11 AM 29° Partly Cloudy 59% 5 mph WNW 68%
12 PM 30° Partly Cloudy 63% 5 mph WNW 65%
1 PM 32° Partly Cloudy 76% 4 mph WNW 67%
2 PM 32° Partly Cloudy 72% 4 mph NW 70%
3 PM 31° Mostly Cloudy 67% 5 mph NNW 73%
4 PM 30° Mostly Cloudy 67% 5 mph N 78%
5 PM 28° Overcast 67% 4 mph NNE 83%
6 PM 27° Rain 54% 3 mph NNE 87%
7 PM 27° Rain 41% 2 mph NNE 90%
8 PM 26° Mostly Cloudy 41% 3 mph NNE 93%
9 PM 24° Mostly Cloudy 27% 3 mph N 96%
10 PM 23° Mostly Cloudy 12% 3 mph N 96%
11 PM 23° Mostly Cloudy 22% 2 mph NNE 96%
12 AM 23° Haze 18% 2 mph NNE 95%
1 AM 23° Fog 22% 2 mph NE 96%
2 AM 23° Fog 23% 2 mph NNE 96%
15-Day Forecast
Today
7/19
Mostly Cloudy
67%
21°
33°
Mon
7/20
Fog
38%
21°
35°
Tue
7/21
Partly Cloudy
28%
21°
40°
Wed
7/22
Mostly Clear
19%
16°
31°
Thu
7/23
Clear
30%
15°
32°
Fri
7/24
Heavy Rain
82%
16°
32°
Sat
7/25
Drizzle
82%
16°
31°
Sun
7/26
Drizzle
42%
17°
35°
Mon
7/27
Clear
44%
18°
37°
Tue
7/28
Clear
36%
22°
38°
Wed
7/29
Clear
60%
21°
36°
Thu
7/30
Clear
60%
21°
36°
Fri
7/31
Drizzle
60%
21°
37°
Sat
8/1
Rain
90%
22°
37°
Sun
8/2
Drizzle
60%
21°
37°
50
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
50 AQI 9.0 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 26 50
Mon 48 Good 30 48
Tue 50 Good 26 50
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
SBCAPE343 J/kg
MLCAPE467 J/kg
MUCAPE629 J/kg
SBCIN-140 J/kg
MLCIN0 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear9 kt
0–1 km Shear15 kt
Eff. Shear9 kt
0–1 km SRH4
0–3 km SRH7
Eff. SRH7
Storm Motion290° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.7
Thermo & Levels
PWAT1.80 in
0–3 km LR4.9 °C/km
700–500 LR5.4 °C/km
Total Totals45.1
LCL941 hPa
LFC789 hPa
EL237 hPa
Freezing Lvl14,888 ft