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

Iron County, Missouri, United States

Last updated: 7:44 AM CDT  ·  Refresh
26°C
Feels like 30°
Mostly Clear
▲ 37°  /  ▼ 23°
Wind
4 mph W
Humidity
87%
Dew Point
24°
Pressure
28.67 inHg
Visibility
7 mi
UV Index
4.7
Cloud Cover
17%
Sunrise
6:01 AM
Sunset
8:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Iron County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3850 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:16PM.

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
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
30%
8 AM
27°
34%
9 AM
29°
25%
10 AM
31°
25%
11 AM
32°
25%
12 PM
32°
24%
1 PM
34°
24%
2 PM
34°
29%
3 PM
34°
29%
4 PM
34°
29%
5 PM
34°
29%
6 PM
32°
29%
7 PM
31°
29%
8 PM
31°
17%
9 PM
29°
8%
10 PM
28°
8%
11 PM
27°
8%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
24°
3%
7-Day Forecast
Today
37° 23°
Partly Cloudy with a 30% chance of rain.
Mon
39° 24°
Mostly Clear.
Tue
39° 24°
Mostly Clear.
Wed
33° 19°
Partly Cloudy.
Thu
34° 18°
Rain, 30% chance.
Fri
31° 19°
Rain, 64% chance.
Sat
32° 18°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 30% 4 mph W 87%
8 AM 27° Partly Cloudy 34% 5 mph WNW 79%
9 AM 29° Partly Cloudy 25% 5 mph WNW 73%
10 AM 31° Partly Cloudy 25% 5 mph WNW 67%
11 AM 32° Partly Cloudy 25% 6 mph WNW 62%
12 PM 32° Mostly Clear 24% 6 mph W 57%
1 PM 34° Partly Cloudy 24% 5 mph W 56%
2 PM 34° Partly Cloudy 29% 6 mph W 56%
3 PM 34° Partly Cloudy 29% 6 mph WSW 56%
4 PM 34° Partly Cloudy 29% 6 mph W 58%
5 PM 34° Partly Cloudy 29% 7 mph WNW 61%
6 PM 32° Partly Cloudy 29% 8 mph NNW 64%
7 PM 31° Partly Cloudy 29% 6 mph N 66%
8 PM 31° Partly Cloudy 17% 5 mph WSW 65%
9 PM 29° Partly Cloudy 8% 5 mph SSE 64%
10 PM 28° Partly Cloudy 8% 5 mph SSE 66%
11 PM 27° Mostly Clear 8% 4 mph S 68%
12 AM 27° Partly Cloudy 3% 4 mph SSW 70%
1 AM 26° Mostly Clear 3% 5 mph SSW 71%
2 AM 26° Mostly Clear 3% 5 mph SW 72%
3 AM 25° Clear 3% 5 mph SW 73%
4 AM 25° Mostly Clear 3% 4 mph SW 74%
5 AM 24° Mostly Clear 3% 4 mph SW 75%
6 AM 24° Mostly Clear 3% 4 mph WSW 76%
15-Day Forecast
Today
7/26
Partly Cloudy
30%
23°
37°
Mon
7/27
Mostly Clear
6%
24°
39°
Tue
7/28
Mostly Clear
14%
24°
39°
Wed
7/29
Partly Cloudy
14%
19°
33°
Thu
7/30
Rain
30%
18°
34°
Fri
7/31
Rain
64%
19°
31°
Sat
8/1
Drizzle
53%
18°
32°
Sun
8/2
Drizzle
42%
19°
32°
Mon
8/3
Drizzle
44%
19°
33°
Tue
8/4
Drizzle
51%
20°
34°
Wed
8/5
Drizzle
60%
21°
35°
Thu
8/6
Drizzle
60%
21°
34°
Fri
8/7
Drizzle
60%
20°
34°
Sat
8/8
Drizzle
60%
20°
34°
Sun
8/9
Drizzle
60%
21°
35°
46
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
46 AQI 8.3 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 46 Good 35 46
Tue 41 Good 31 41
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
SBCAPE2221 J/kg
MLCAPE1708 J/kg
MUCAPE2221 J/kg
SBCIN-179 J/kg
MLCIN0 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear11 kt
0–1 km Shear14 kt
Eff. Shear14 kt
0–1 km SRH3
0–3 km SRH-50
Eff. SRH-50
Storm Motion316° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.5
Thermo & Levels
PWAT1.37 in
0–3 km LR5.2 °C/km
700–500 LR5.6 °C/km
Total Totals43.8
LCL943 hPa
LFC725 hPa
EL166 hPa
Freezing Lvl16,411 ft