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

Franklin County, Missouri, United States

Last updated: 7:44 AM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Cloudy
▲ 37°  /  ▼ 24°
Wind
5 mph WSW
Humidity
86%
Dew Point
25°
Pressure
29.21 inHg
Visibility
7 mi
UV Index
3.5
Cloud Cover
69%
Sunrise
6:01 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Franklin County is currently mostly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3990 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:19PM.

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
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
8 AM
28°
29%
9 AM
30°
21%
10 AM
32°
21%
11 AM
33°
21%
12 PM
34°
21%
1 PM
36°
35%
2 PM
37°
35%
3 PM
37°
35%
4 PM
36°
29%
5 PM
36°
29%
6 PM
34°
29%
7 PM
33°
21%
8 PM
32°
8%
9 PM
30°
8%
10 PM
29°
8%
11 PM
29°
8%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
26°
3%
6 AM
26°
3%
7-Day Forecast
Today
37° 24°
Partly Cloudy with a 35% chance of rain.
Mon
39° 26°
Mostly Clear with a 30% chance of rain.
Tue
38° 23°
Partly Cloudy with a 22% chance of rain.
Wed
34° 19°
Partly Cloudy with a 36% chance of rain.
Thu
35° 19°
Rain, 43% chance.
Fri
32° 20°
Rain, 82% chance.
Sat
33° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 11% 5 mph WSW 86%
8 AM 28° Partly Cloudy 29% 6 mph WSW 78%
9 AM 30° Partly Cloudy 21% 6 mph W 71%
10 AM 32° Mostly Clear 21% 6 mph W 65%
11 AM 33° Mostly Clear 21% 6 mph W 60%
12 PM 34° Mostly Clear 21% 6 mph W 55%
1 PM 36° Partly Cloudy 35% 7 mph W 52%
2 PM 37° Partly Cloudy 35% 8 mph WSW 49%
3 PM 37° Mostly Clear 35% 8 mph WSW 46%
4 PM 36° Partly Cloudy 29% 7 mph WSW 50%
5 PM 36° Partly Cloudy 29% 7 mph SW 56%
6 PM 34° Mostly Cloudy 29% 8 mph SW 63%
7 PM 33° Mostly Cloudy 21% 6 mph SW 65%
8 PM 32° Partly Cloudy 8% 4 mph S 64%
9 PM 30° Mostly Clear 8% 4 mph SSE 62%
10 PM 29° Partly Cloudy 8% 5 mph S 64%
11 PM 29° Partly Cloudy 8% 5 mph SSW 66%
12 AM 28° Mostly Cloudy 3% 5 mph SSW 68%
1 AM 27° Partly Cloudy 3% 5 mph SSW 69%
2 AM 27° Partly Cloudy 3% 5 mph SSW 70%
3 AM 27° Partly Cloudy 3% 6 mph SSW 71%
4 AM 27° Partly Cloudy 3% 6 mph SSW 72%
5 AM 26° Partly Cloudy 3% 6 mph SW 73%
6 AM 26° Partly Cloudy 3% 6 mph SW 74%
15-Day Forecast
Today
7/26
Partly Cloudy
35%
24°
37°
Mon
7/27
Mostly Clear
30%
26°
39°
Tue
7/28
Partly Cloudy
22%
23°
38°
Wed
7/29
Partly Cloudy
36%
19°
34°
Thu
7/30
Rain
43%
19°
35°
Fri
7/31
Rain
82%
20°
32°
Sat
8/1
Clear
52%
18°
33°
Sun
8/2
Drizzle
42%
19°
33°
Mon
8/3
Drizzle
44%
19°
34°
Tue
8/4
Drizzle
51%
21°
36°
Wed
8/5
Drizzle
60%
22°
36°
Thu
8/6
Rain
90%
21°
36°
Fri
8/7
Drizzle
60%
21°
35°
Sat
8/8
Drizzle
60%
21°
36°
Sun
8/9
Drizzle
60%
22°
37°
49
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
49 AQI 8.9 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 49 Good 34 49
Tue 35 Good 35 34
Wed 61 Moderate 61 32
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
SBCAPE2547 J/kg
MLCAPE2267 J/kg
MUCAPE2547 J/kg
SBCIN-198 J/kg
MLCIN0 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear11 kt
0–1 km Shear15 kt
Eff. Shear19 kt
0–1 km SRH-3
0–3 km SRH-13
Eff. SRH-13
Storm Motion303° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.6
Thermo & Levels
PWAT1.65 in
0–3 km LR5.0 °C/km
700–500 LR5.8 °C/km
Total Totals45.3
LCL956 hPa
LFC724 hPa
EL163 hPa
Freezing Lvl16,742 ft