Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM

Ogle County, Illinois, United States

Last updated: 9:12 PM CDT  ·  Refresh
20°C
Feels like 22°
Haze
▲ 24°  /  ▼ 14°
Wind
7 mph W
Humidity
95%
Dew Point
20°
Pressure
29.10 inHg
Visibility
2 mi
UV Index
0.0
Cloud Cover
53%
Sunrise
6:11 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ogle County is currently haze at 20°C. Precipitation is likely — peak probability 54% around 9 PM. Atmospheric instability is elevated (CAPE up to 1230 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 7:48PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
53%
10 PM
20°
25%
11 PM
19°
23%
12 AM
19°
16%
1 AM
18°
3%
2 AM
17°
3%
3 AM
17°
4%
4 AM
16°
4%
5 AM
14°
4%
6 AM
14°
5%
7 AM
14°
5%
8 AM
17°
8%
9 AM
19°
8%
10 AM
21°
8%
11 AM
22°
11%
12 PM
24°
19%
1 PM
26°
20%
2 PM
26°
20%
3 PM
26°
20%
4 PM
27°
10%
5 PM
26°
5%
6 PM
25°
5%
7 PM
24°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
24° 14°
Haze with a 53% chance of rain.
Sat
27° 14°
Mostly Clear with a 20% chance of rain.
Sun
23° 11°
Mostly Clear.
Mon
22° 11°
Overcast with a 44% chance of rain.
Tue
23° 12°
Drizzle, 64% chance.
Wed
27° 15°
Rain, 64% chance.
Thu
26° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Haze 53% 7 mph W 95%
10 PM 20° Partly Cloudy 25% 6 mph WSW 95%
11 PM 19° Mostly Clear 23% 6 mph W 95%
12 AM 19° Mostly Clear 16% 6 mph WNW 94%
1 AM 18° Mostly Clear 3% 7 mph NW 93%
2 AM 17° Mostly Clear 3% 8 mph NW 93%
3 AM 17° Mostly Clear 4% 8 mph NW 94%
4 AM 16° Partly Cloudy 4% 8 mph NW 94%
5 AM 14° Partly Cloudy 4% 7 mph NW 94%
6 AM 14° Partly Cloudy 5% 7 mph NW 94%
7 AM 14° Partly Cloudy 5% 7 mph NW 93%
8 AM 17° Mostly Clear 8% 7 mph NW 88%
9 AM 19° Mostly Clear 8% 7 mph NW 84%
10 AM 21° Mostly Clear 8% 8 mph NW 78%
11 AM 22° Mostly Clear 11% 10 mph NW 72%
12 PM 24° Mostly Clear 19% 12 mph NW 66%
1 PM 26° Mostly Clear 20% 13 mph NW 62%
2 PM 26° Clear 20% 14 mph NW 60%
3 PM 26° Clear 20% 14 mph NW 58%
4 PM 27° Clear 10% 14 mph NW 56%
5 PM 26° Mostly Clear 5% 12 mph NW 60%
6 PM 25° Mostly Clear 5% 11 mph NW 64%
7 PM 24° Mostly Clear 3% 10 mph NW 63%
8 PM 23° Mostly Clear 3% 10 mph NW 67%
15-Day Forecast
Today
8/21
Haze
53%
14°
24°
Sat
8/22
Mostly Clear
20%
14°
27°
Sun
8/23
Mostly Clear
3%
11°
23°
Mon
8/24
Overcast
44%
11°
22°
Tue
8/25
Drizzle
64%
12°
23°
Wed
8/26
Rain
64%
15°
27°
Thu
8/27
Clear
17%
16°
26°
Fri
8/28
Clear
17%
16°
26°
Sat
8/29
Drizzle
68%
15°
27°
Sun
8/30
Drizzle
68%
18°
27°
Mon
8/31
Drizzle
60%
18°
29°
Tue
9/1
Drizzle
60%
18°
29°
Wed
9/2
Drizzle
60%
17°
26°
Thu
9/3
Drizzle
60%
16°
26°
Fri
9/4
Drizzle
60%
16°
26°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 34 39
Sun 25 Good 25 22
Mon 22 Good 22 14
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 Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE885 J/kg
MLCAPE2029 J/kg
MUCAPE2519 J/kg
SBCIN-141 J/kg
MLCIN-32 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear28 kt
0–1 km Shear15 kt
Eff. Shear27 kt
0–1 km SRH70
0–3 km SRH70
Eff. SRH70
Storm Motion337° @ 20 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.5
Supercell2.5
K-Index41.1
Thermo & Levels
PWAT1.80 in
0–3 km LR5.2 °C/km
700–500 LR6.2 °C/km
Total Totals52.8
LCL975 hPa
LFC770 hPa
EL235 hPa
Freezing Lvl12,254 ft