Flood Warning — Calhoun County, IL, Lincoln County, MO 1:00 a. m. Flood Warning — Calhoun County, IL, Pike County, MO 3:24 p. m.

Calhoun County, Illinois, United States

Last updated: 8:29 p. m. CDT  ·  Refresh
18°C
Feels like 16°
Mostly Clear
▲ 21°  /  ▼ 12°
Wind
9 mph NNE
Humidity
68%
Dew Point
12°
Pressure
29,56 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
25%
Sunrise
6:50 a. m.
Sunset
6:59 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calhoun County is currently mostly clear at 18°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:50A. M. · Sunset: 6:59P. M..

34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
11%
9 p. m.
17°
14%
10 p. m.
16°
7%
11 p. m.
16°
7%
12 a. m.
16°
3%
1 a. m.
14°
3%
2 a. m.
14°
3%
3 a. m.
13°
3%
4 a. m.
13°
3%
5 a. m.
12°
3%
6 a. m.
12°
3%
7 a. m.
12°
3%
8 a. m.
14°
3%
9 a. m.
16°
3%
10 a. m.
17°
3%
11 a. m.
18°
3%
12 p. m.
19°
3%
1 p. m.
22°
3%
2 p. m.
22°
3%
3 p. m.
25°
3%
4 p. m.
24°
3%
5 p. m.
22°
3%
6 p. m.
22°
3%
7 p. m.
21°
3%
7-Day Forecast
Tonight
21° 12°
Mostly Clear.
Wed
26° 12°
Partly Cloudy.
Thu
25° 14°
Mostly Cloudy.
Fri
27° 16°
Partly Cloudy with a 31% chance of rain.
Sat
26° 15°
Clear with a 35% chance of rain.
Sun
29° 14°
Clear with a 60% chance of rain.
Mon
28° 15°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 18° Mostly Clear 11% 9 mph NNE 68%
9 p. m. 17° Partly Cloudy 14% 10 mph NE 71%
10 p. m. 16° Partly Cloudy 7% 10 mph NE 73%
11 p. m. 16° Partly Cloudy 7% 8 mph NE 76%
12 a. m. 16° Partly Cloudy 3% 7 mph NE 80%
1 a. m. 14° Mostly Clear 3% 6 mph NE 85%
2 a. m. 14° Clear 3% 6 mph NNE 86%
3 a. m. 13° Clear 3% 5 mph NNE 89%
4 a. m. 13° Clear 3% 4 mph N 91%
5 a. m. 12° Clear 3% 4 mph N 92%
6 a. m. 12° Clear 3% 5 mph N 94%
7 a. m. 12° Mostly Clear 3% 6 mph N 92%
8 a. m. 14° Partly Cloudy 3% 7 mph NNE 86%
9 a. m. 16° Mostly Cloudy 3% 7 mph NNE 79%
10 a. m. 17° Overcast 3% 8 mph NNE 72%
11 a. m. 18° Mostly Cloudy 3% 8 mph NNE 65%
12 p. m. 19° Partly Cloudy 3% 9 mph NNE 59%
1 p. m. 22° Partly Cloudy 3% 10 mph NNE 57%
2 p. m. 22° Partly Cloudy 3% 10 mph NNE 56%
3 p. m. 25° Partly Cloudy 3% 11 mph NE 55%
4 p. m. 24° Partly Cloudy 3% 10 mph NE 57%
5 p. m. 22° Partly Cloudy 3% 10 mph NE 60%
6 p. m. 22° Partly Cloudy 3% 9 mph NE 64%
7 p. m. 21° Mostly Cloudy 3% 9 mph NE 68%
15-Day Forecast
Today
9/22
Mostly Clear
11%
12°
21°
Wed
9/23
Partly Cloudy
3%
12°
26°
Thu
9/24
Mostly Cloudy
19%
14°
25°
Fri
9/25
Partly Cloudy
31%
16°
27°
Sat
9/26
Clear
35%
15°
26°
Sun
9/27
Clear
60%
14°
29°
Mon
9/28
Clear
31%
15°
28°
Tue
9/29
Drizzle
63%
15°
31°
Wed
9/30
Rain
90%
13°
24°
Thu
10/1
Drizzle
44%
12°
26°
Fri
10/2
Drizzle
60%
11°
27°
Sat
10/3
Drizzle
60%
14°
29°
Sun
10/4
Drizzle
60%
12°
26°
Mon
10/5
Drizzle
60%
11°
26°
Tue
10/6
Drizzle
60%
12°
27°
34
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
32 AQI 5.9 µg/m³
O3
Ground-level ozone
Dominant
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 34 32
Thu 33 Good 31 33
Fri 32 Good 32 27
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid mar. sept. 22, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE6 J/kg
MUCAPE0 J/kg
SBCIN
MLCIN0 J/kg
Lifted Index7.8
Kinematics
0–6 km Shear27 kt
0–1 km Shear8 kt
Eff. Shear
0–1 km SRH11
0–3 km SRH106
Eff. SRH
Storm Motion350° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index19.6
Thermo & Levels
PWAT1.07 in
0–3 km LR4.3 °C/km
700–500 LR6.0 °C/km
Total Totals39.5
LCL918 hPa
LFC
EL
Freezing Lvl12,785 ft