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

Callaway County, Missouri, United States

Last updated: 5:12 AM CDT  ·  Refresh
24°C
Feels like 26°
Mostly Clear
▲ 34°  /  ▼ 24°
Wind
7 mph SSW
Humidity
74%
Dew Point
21°
Pressure
29.12 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
6:17 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Callaway County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4186 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 8:07PM.

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
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
6 AM
23°
19%
7 AM
23°
20%
8 AM
24°
14%
9 AM
25°
14%
10 AM
27°
14%
11 AM
28°
14%
12 PM
29°
14%
1 PM
32°
3%
2 PM
32°
4%
3 PM
33°
4%
4 PM
33°
4%
5 PM
34°
5%
6 PM
33°
8%
7 PM
32°
8%
8 PM
31°
8%
9 PM
29°
8%
10 PM
28°
8%
11 PM
28°
8%
12 AM
27°
8%
1 AM
27°
8%
2 AM
26°
9%
3 AM
26°
15%
4 AM
25°
16%
7-Day Forecast
Today
34° 24°
Partly Cloudy.
Wed
36° 24°
Partly Cloudy with a 40% chance of rain.
Thu
34° 23°
Partly Cloudy with a 35% chance of rain.
Fri
34° 21°
Clear with a 25% chance of rain.
Sat
38° 23°
Mostly Clear.
Sun
35° 22°
Drizzle, 47% chance.
Mon
32° 19°
Mostly Clear with a 47% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 3% 7 mph SSW 74%
6 AM 23° Mostly Clear 19% 8 mph SSW 75%
7 AM 23° Mostly Clear 20% 8 mph SW 76%
8 AM 24° Partly Cloudy 14% 9 mph SW 73%
9 AM 25° Partly Cloudy 14% 11 mph SW 68%
10 AM 27° Partly Cloudy 14% 12 mph SW 64%
11 AM 28° Mostly Clear 14% 12 mph SW 60%
12 PM 29° Mostly Clear 14% 12 mph SW 57%
1 PM 32° Mostly Clear 3% 11 mph SW 54%
2 PM 32° Mostly Clear 4% 10 mph SW 52%
3 PM 33° Partly Cloudy 4% 9 mph SW 51%
4 PM 33° Mostly Cloudy 4% 9 mph SW 51%
5 PM 34° Mostly Cloudy 5% 7 mph SW 56%
6 PM 33° Mostly Cloudy 8% 6 mph SW 60%
7 PM 32° Partly Cloudy 8% 5 mph SSW 64%
8 PM 31° Partly Cloudy 8% 6 mph SSW 64%
9 PM 29° Partly Cloudy 8% 6 mph SSW 64%
10 PM 28° Partly Cloudy 8% 7 mph S 64%
11 PM 28° Partly Cloudy 8% 7 mph S 66%
12 AM 27° Mostly Clear 8% 7 mph SSW 67%
1 AM 27° Mostly Clear 8% 7 mph SSW 68%
2 AM 26° Partly Cloudy 9% 7 mph SSW 68%
3 AM 26° Partly Cloudy 15% 7 mph SSW 68%
4 AM 25° Partly Cloudy 16% 7 mph SSW 68%
15-Day Forecast
Today
8/11
Partly Cloudy
14%
24°
34°
Wed
8/12
Partly Cloudy
40%
24°
36°
Thu
8/13
Partly Cloudy
35%
23°
34°
Fri
8/14
Clear
25%
21°
34°
Sat
8/15
Mostly Clear
15%
23°
38°
Sun
8/16
Drizzle
47%
22°
35°
Mon
8/17
Mostly Clear
47%
19°
32°
Tue
8/18
Rain
53%
21°
37°
Wed
8/19
Mostly Cloudy
35%
22°
37°
Thu
8/20
Partly Cloudy
35%
23°
38°
Fri
8/21
Clear
60%
21°
38°
Sat
8/22
Drizzle
60%
21°
34°
Sun
8/23
Clear
60%
21°
34°
Mon
8/24
Drizzle
60%
20°
32°
Tue
8/25
Drizzle
60%
19°
31°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 35 42
Wed 33 Good 33 24
Thu 41 Good 32 41
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
SBCAPE1106 J/kg
MLCAPE1518 J/kg
MUCAPE1962 J/kg
SBCIN-630 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear15 kt
0–1 km Shear23 kt
Eff. Shear—
0–1 km SRH143
0–3 km SRH107
Eff. SRH—
Storm Motion308° @ 18 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index23.2
Thermo & Levels
PWAT1.38 in
0–3 km LR3.8 °C/km
700–500 LR8.0 °C/km
Total Totals51.5
LCL937 hPa
LFC632 hPa
EL202 hPa
Freezing Lvl14,409 ft