Excessive Heat Watch 7:00 PM

Monroe County, Illinois, United States

Last updated: 10:18 AM CDT  ·  Refresh
31°C
Feels like 38°
Partly Cloudy
▲ 38°  /  ▼ 24°
Wind
5 mph WSW
Humidity
73%
Dew Point
26°
Pressure
29.29 inHg
Visibility
10 mi
UV Index
7.9
Cloud Cover
40%
Sunrise
5:58 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Monroe County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3785 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:15PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
11 AM
32°
21%
12 PM
34°
21%
1 PM
36°
23%
2 PM
37°
26%
3 PM
37°
26%
4 PM
37°
34%
5 PM
38°
34%
6 PM
36°
28%
7 PM
34°
21%
8 PM
33°
21%
9 PM
31°
22%
10 PM
30°
13%
11 PM
29°
14%
12 AM
28°
5%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
25°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
30°
3%
7-Day Forecast
Today
38° 24°
Mostly Clear with a 34% chance of rain.
Mon
39° 25°
Clear with a 35% chance of rain.
Tue
36° 22°
Clear with a 25% chance of rain.
Wed
31° 19°
Clear with a 43% chance of rain.
Thu
32° 18°
Rain, 64% chance.
Fri
28° 20°
Drizzle, 64% chance.
Sat
31° 18°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 3% 5 mph WSW 73%
11 AM 32° Mostly Cloudy 21% 6 mph WSW 65%
12 PM 34° Partly Cloudy 21% 6 mph WSW 58%
1 PM 36° Mostly Clear 23% 5 mph W 53%
2 PM 37° Mostly Clear 26% 5 mph W 51%
3 PM 37° Partly Cloudy 26% 5 mph WNW 49%
4 PM 37° Mostly Clear 34% 6 mph WNW 49%
5 PM 38° Mostly Clear 34% 6 mph WNW 51%
6 PM 36° Partly Cloudy 28% 6 mph WSW 55%
7 PM 34° Mostly Clear 21% 8 mph SW 59%
8 PM 33° Partly Cloudy 21% 5 mph W 61%
9 PM 31° Mostly Cloudy 22% 6 mph NW 62%
10 PM 30° Partly Cloudy 13% 6 mph NW 65%
11 PM 29° Partly Cloudy 14% 5 mph W 70%
12 AM 28° Partly Cloudy 5% 5 mph SSW 74%
1 AM 27° Partly Cloudy 3% 6 mph SSW 78%
2 AM 26° Partly Cloudy 3% 5 mph SSW 79%
3 AM 26° Partly Cloudy 3% 5 mph SSW 80%
4 AM 26° Mostly Clear 3% 6 mph SSW 81%
5 AM 25° Mostly Clear 3% 6 mph SSW 82%
6 AM 25° Mostly Clear 3% 6 mph SSW 83%
7 AM 26° Clear 3% 6 mph SSW 82%
8 AM 27° Clear 3% 6 mph SSW 76%
9 AM 30° Clear 3% 6 mph SSW 70%
15-Day Forecast
Today
7/26
Mostly Clear
34%
24°
38°
Mon
7/27
Clear
35%
25°
39°
Tue
7/28
Clear
25%
22°
36°
Wed
7/29
Clear
43%
19°
31°
Thu
7/30
Rain
64%
18°
32°
Fri
7/31
Drizzle
64%
20°
28°
Sat
8/1
Drizzle
52%
18°
31°
Sun
8/2
Drizzle
42%
19°
31°
Mon
8/3
Drizzle
44%
19°
33°
Tue
8/4
Drizzle
51%
21°
36°
Wed
8/5
Drizzle
60%
22°
35°
Thu
8/6
Drizzle
60%
21°
33°
Fri
8/7
Drizzle
60%
21°
32°
Sat
8/8
Drizzle
60%
21°
34°
Sun
8/9
Drizzle
60%
22°
34°
48
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
48 AQI 8.8 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 48 Good 39 48
Tue 42 Good 36 42
Wed 46 Good 46 33
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, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4651 J/kg
MLCAPE3761 J/kg
MUCAPE4651 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.3
Kinematics
0–6 km Shear16 kt
0–1 km Shear7 kt
Eff. Shear22 kt
0–1 km SRH-16
0–3 km SRH-55
Eff. SRH-55
Storm Motion284° @ 19 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.9
Thermo & Levels
PWAT1.94 in
0–3 km LR6.3 °C/km
700–500 LR5.9 °C/km
Total Totals50.0
LCL928 hPa
LFC992 hPa
EL133 hPa
Freezing Lvl16,837 ft