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

Iron County, Missouri, United States

Last updated: 5:13 AM CDT  ·  Refresh
23°C
Feels like 25°
Clear
▲ 36°  /  ▼ 24°
Wind
7 mph SSW
Humidity
78%
Dew Point
20°
Pressure
28.72 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:15 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Iron County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2680 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 8:00PM.

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
23°
7%
6 AM
21°
21%
7 AM
22°
20%
8 AM
23°
20%
9 AM
26°
20%
10 AM
28°
14%
11 AM
29°
14%
12 PM
31°
14%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
5%
9 PM
28°
5%
10 PM
28°
8%
11 PM
27°
8%
12 AM
26°
8%
1 AM
26°
14%
2 AM
26°
24%
3 AM
26°
24%
4 AM
25°
26%
7-Day Forecast
Today
36° 24°
Clear with a 20% chance of rain.
Wed
38° 24°
Mostly Clear with a 36% chance of rain.
Thu
38° 24°
Mostly Clear with a 25% chance of rain.
Fri
36° 23°
Clear.
Sat
39° 23°
Clear.
Sun
41° 23°
Partly Cloudy with a 21% chance of rain.
Mon
36° 21°
Mostly Cloudy with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 7% 7 mph SSW 78%
6 AM 21° Clear 21% 8 mph SW 77%
7 AM 22° Clear 20% 8 mph SW 76%
8 AM 23° Clear 20% 8 mph SW 71%
9 AM 26° Clear 20% 9 mph SW 65%
10 AM 28° Clear 14% 9 mph SW 59%
11 AM 29° Clear 14% 9 mph SW 55%
12 PM 31° Clear 14% 9 mph SW 50%
1 PM 33° Clear 3% 9 mph SW 46%
2 PM 34° Mostly Clear 3% 9 mph SW 45%
3 PM 34° Mostly Clear 3% 9 mph SW 44%
4 PM 34° Clear 3% 8 mph SW 43%
5 PM 34° Clear 3% 7 mph SW 48%
6 PM 33° Mostly Clear 3% 6 mph SW 53%
7 PM 32° Mostly Clear 3% 5 mph SSW 58%
8 PM 31° Mostly Clear 5% 5 mph SSW 60%
9 PM 28° Mostly Clear 5% 5 mph SSW 62%
10 PM 28° Mostly Clear 8% 6 mph SSW 65%
11 PM 27° Mostly Clear 8% 6 mph SSW 66%
12 AM 26° Mostly Clear 8% 6 mph SSW 68%
1 AM 26° Clear 14% 7 mph SSW 69%
2 AM 26° Clear 24% 7 mph SSW 69%
3 AM 26° Clear 24% 7 mph SW 69%
4 AM 25° Clear 26% 7 mph SW 69%
15-Day Forecast
Today
8/11
Clear
20%
24°
36°
Wed
8/12
Mostly Clear
36%
24°
38°
Thu
8/13
Mostly Clear
25%
24°
38°
Fri
8/14
Clear
15%
23°
36°
Sat
8/15
Clear
15%
23°
39°
Sun
8/16
Partly Cloudy
21%
23°
41°
Mon
8/17
Mostly Cloudy
30%
21°
36°
Tue
8/18
Rain
53%
19°
38°
Wed
8/19
Mostly Clear
35%
22°
39°
Thu
8/20
Drizzle
45%
23°
38°
Fri
8/21
Clear
25%
20°
37°
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°
33°
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 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 34 39
Wed 31 Good 31 19
Thu 34 Good 34 25
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE813 J/kg
MLCAPE1148 J/kg
MUCAPE1309 J/kg
SBCIN-529 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear11 kt
0–1 km Shear16 kt
Eff. Shear16 kt
0–1 km SRH114
0–3 km SRH59
Eff. SRH-35
Storm Motion333° @ 12 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.2
Thermo & Levels
PWAT1.46 in
0–3 km LR4.1 °C/km
700–500 LR8.1 °C/km
Total Totals53.2
LCL924 hPa
LFC619 hPa
EL223 hPa
Freezing Lvl14,154 ft