Excessive Heat Watch 12:00 AM Heat Advisory — Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Crawford, MO, Washington, MO, St. Francois, MO, Iron, MO, Madison, MO, Reynolds, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Ste. Genevieve, MO 10:00 PM Excessive Heat Warning — 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, Ste. Genevieve, MO, 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, Iron, MO, Madison, MO, Reynolds, MO 8:00 PM

Iron County, Missouri, United States

Last updated: 7:52 PM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 34°  /  ▼ 21°
Wind
8 mph SSE
Humidity
72%
Dew Point
22°
Pressure
28.71 inHg
Visibility
10 mi
UV Index
1.7
Cloud Cover
8%
Sunrise
5:45 AM
Sunset
8:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Iron County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2594 J/kg) — isolated convective development possible. Sunrise: 5:45AM · Sunset: 8:27PM.

Alerts

Excessive Heat Watch
Expires 12:00 AM
Heat Advisory
Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Crawford, MO, Washington, MO, St. Francois, MO, Iron, MO, Madison, MO, Reynolds, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Ste. Genevieve, MO
Expires 10:00 PM
Excessive Heat Warning
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, Ste. Genevieve, MO, 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, Iron, MO, Madison, MO, Reynolds, MO
Expires 8:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
11%
8 PM
27°
31%
9 PM
25°
16%
10 PM
24°
16%
11 PM
24°
16%
12 AM
24°
9%
1 AM
23°
7%
2 AM
23°
7%
3 AM
23°
8%
4 AM
23°
8%
5 AM
21°
8%
6 AM
21°
8%
7 AM
23°
13%
8 AM
25°
14%
9 AM
27°
14%
10 AM
28°
14%
11 AM
29°
20%
12 PM
31°
18%
1 PM
33°
18%
2 PM
34°
21%
3 PM
34°
11%
4 PM
33°
11%
5 PM
32°
12%
6 PM
31°
5%
7-Day Forecast
Tonight
34° 21°
Clear.
Fri
34° 21°
Mostly Clear.
Sat
35° 22°
Partly Cloudy with a 31% chance of rain.
Sun
33° 21°
Rain, 68% chance.
Mon
34° 19°
Thunderstorm, 64% chance.
Tue
34° 18°
Thunderstorm, 70% chance.
Wed
34° 19°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 11% 8 mph SSE 72%
8 PM 27° Clear 31% 8 mph SSE 75%
9 PM 25° Clear 16% 7 mph SSE 78%
10 PM 24° Clear 16% 6 mph S 81%
11 PM 24° Clear 16% 5 mph S 84%
12 AM 24° Mostly Clear 9% 6 mph SSW 88%
1 AM 23° Mostly Clear 7% 6 mph SW 87%
2 AM 23° Clear 7% 5 mph SW 86%
3 AM 23° Clear 8% 5 mph SW 85%
4 AM 23° Clear 8% 3 mph SW 85%
5 AM 21° Clear 8% 3 mph SSW 86%
6 AM 21° Clear 8% 3 mph SSW 87%
7 AM 23° Clear 13% 3 mph SSW 81%
8 AM 25° Clear 14% 4 mph SSW 74%
9 AM 27° Mostly Clear 14% 5 mph SSW 67%
10 AM 28° Mostly Clear 14% 6 mph SSW 62%
11 AM 29° Partly Cloudy 20% 6 mph SSW 57%
12 PM 31° Partly Cloudy 18% 6 mph SSW 52%
1 PM 33° Partly Cloudy 18% 6 mph SSW 50%
2 PM 34° Partly Cloudy 21% 7 mph S 49%
3 PM 34° Partly Cloudy 11% 7 mph S 48%
4 PM 33° Partly Cloudy 11% 7 mph S 52%
5 PM 32° Partly Cloudy 12% 6 mph SSW 56%
6 PM 31° Mostly Clear 5% 6 mph SSW 60%
15-Day Forecast
Today
7/2
Clear
16%
21°
34°
Fri
7/3
Mostly Clear
18%
21°
34°
Sat
7/4
Partly Cloudy
31%
22°
35°
Sun
7/5
Rain
68%
21°
33°
Mon
7/6
Thunderstorm
64%
19°
34°
Tue
7/7
Thunderstorm
70%
18°
34°
Wed
7/8
Drizzle
52%
19°
34°
Thu
7/9
Rain
63%
19°
34°
Fri
7/10
Rain
69%
20°
36°
Sat
7/11
Thunderstorm
51%
21°
37°
Sun
7/12
Rain
68%
19°
31°
Mon
7/13
Drizzle
60%
19°
33°
Tue
7/14
Drizzle
60%
19°
33°
Wed
7/15
Drizzle
60%
19°
33°
Thu
7/16
Drizzle
60%
19°
34°
57
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
57 AQI 12.6 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 33 57
Sat 55 Moderate 28 55
Sun 56 Moderate 29 56
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 Thu Jul 2, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2165 J/kg
MLCAPE2459 J/kg
MUCAPE3187 J/kg
SBCIN-143 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear3 kt
0–1 km Shear10 kt
Eff. Shear1 kt
0–1 km SRH-40
0–3 km SRH-26
Eff. SRH-26
Storm Motion167° @ 25 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.4
Thermo & Levels
PWAT1.57 in
0–3 km LR6.2 °C/km
700–500 LR6.4 °C/km
Total Totals48.4
LCL882 hPa
LFC748 hPa
EL159 hPa
Freezing Lvl14,547 ft