Severe Thunderstorm Watch 10:00 PM

Rock Island County, Illinois, United States

Last updated: 9:13 PM CDT  ·  Refresh
23°C
Feels like 26°
Mostly Clear
▲ 29°  /  ▼ 16°
Wind
5 mph WNW
Humidity
91%
Dew Point
22°
Pressure
29.25 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
25%
Sunrise
6:17 AM
Sunset
7:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Rock Island County is currently mostly clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2097 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 7:52PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
21%
10 PM
22°
14%
11 PM
21°
14%
12 AM
20°
14%
1 AM
19°
3%
2 AM
18°
3%
3 AM
18°
3%
4 AM
17°
3%
5 AM
17°
3%
6 AM
16°
3%
7 AM
17°
3%
8 AM
19°
3%
9 AM
22°
3%
10 AM
24°
5%
11 AM
25°
5%
12 PM
26°
5%
1 PM
28°
16%
2 PM
28°
8%
3 PM
28°
16%
4 PM
29°
13%
5 PM
28°
3%
6 PM
27°
3%
7 PM
26°
3%
8 PM
25°
3%
7-Day Forecast
Tonight
29° 16°
Mostly Clear with a 21% chance of rain.
Sat
29° 16°
Clear.
Sun
26° 13°
Clear.
Mon
24° 14°
Drizzle, 54% chance.
Tue
27° 14°
Clear with a 51% chance of rain.
Wed
30° 18°
Rain, 51% chance.
Thu
28° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 21% 5 mph WNW 91%
10 PM 22° Clear 14% 6 mph NW 90%
11 PM 21° Clear 14% 5 mph NW 89%
12 AM 20° Clear 14% 6 mph NW 89%
1 AM 19° Clear 3% 6 mph NW 90%
2 AM 18° Clear 3% 5 mph NW 90%
3 AM 18° Clear 3% 5 mph NW 90%
4 AM 17° Clear 3% 5 mph NW 90%
5 AM 17° Clear 3% 5 mph NW 90%
6 AM 16° Clear 3% 4 mph WNW 90%
7 AM 17° Clear 3% 4 mph WNW 89%
8 AM 19° Clear 3% 5 mph WNW 83%
9 AM 22° Clear 3% 6 mph WNW 76%
10 AM 24° Clear 5% 8 mph WNW 70%
11 AM 25° Clear 5% 9 mph WNW 64%
12 PM 26° Clear 5% 11 mph NW 59%
1 PM 28° Clear 16% 12 mph NW 55%
2 PM 28° Clear 8% 12 mph NW 56%
3 PM 28° Clear 16% 12 mph NW 56%
4 PM 29° Clear 13% 12 mph NW 55%
5 PM 28° Clear 3% 11 mph NW 59%
6 PM 27° Clear 3% 10 mph NW 63%
7 PM 26° Clear 3% 9 mph NW 64%
8 PM 25° Clear 3% 9 mph NW 67%
15-Day Forecast
Today
8/21
Mostly Clear
21%
16°
29°
Sat
8/22
Clear
16%
16°
29°
Sun
8/23
Clear
3%
13°
26°
Mon
8/24
Drizzle
54%
14°
24°
Tue
8/25
Clear
51%
14°
27°
Wed
8/26
Rain
51%
18°
30°
Thu
8/27
Clear
17%
17°
28°
Fri
8/28
Clear
17%
17°
28°
Sat
8/29
Rain
68%
17°
31°
Sun
8/30
Rain
90%
20°
31°
Mon
8/31
Drizzle
60%
19°
33°
Tue
9/1
Drizzle
60%
20°
32°
Wed
9/2
Drizzle
60%
19°
30°
Thu
9/3
Drizzle
60%
19°
29°
Fri
9/4
Drizzle
60%
18°
30°
37
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
27 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 37 Good 37 27
Sun 33 Good 33 27
Mon 30 Good 30 7
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 Sat Aug 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2216 J/kg
MLCAPE2109 J/kg
MUCAPE2909 J/kg
SBCIN-107 J/kg
MLCIN-41 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear22 kt
0–1 km Shear19 kt
Eff. Shear22 kt
0–1 km SRH67
0–3 km SRH99
Eff. SRH99
Storm Motion341° @ 26 kt
0–1 km EHI0.9
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell3.3
K-Index19.9
Thermo & Levels
PWAT1.34 in
0–3 km LR5.1 °C/km
700–500 LR6.8 °C/km
Total Totals49.8
LCL973 hPa
LFC851 hPa
EL215 hPa
Freezing Lvl13,045 ft