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Weather in McHenry

Illinois · 26 657 inhabitants · Sunday, September 20 · updated 09h35

Heavy rain
18°
Heavy rain
Feels like 18°C
Wind
14 km/h
Gusts
31 km/h
Humidity
99 %
Pressure
1014 hPa
Clouds
100 %
Storm
No
Rise 06h37 Set 18h55 Day 12h18 UV 2 · Low

Detailed forecast

Trend
Morning
Heavy rain
Heavy rain
18°17°
Feels like 18°
Wind NE 18 km/h
Gusts 33 km/h
Humidity 99 %
💧 33.8 mm
Afternoon
Rain
Rain
18°17°
Feels like 18°
Wind NE 23 km/h
Gusts 38 km/h
Humidity 92 %
💧 7.8 mm
Evening
Light rain
Light rain
18°16°
Feels like 18°
Wind NE 19 km/h
Gusts 46 km/h
Humidity 84 %
💧 2 mm
10h
Light rain
17°
3.9mm
NE 18
13h
Rain
18°
5.9mm
NE 20
16h
Light rain
17°
1.9mm
NE 23

Weather charts for McHenry · 7 days

Temperatures over 7 days

Temperatures close to seasonal normals
Highs Lows Seasonal normal (1991-2020 average)
12°16°19°23°Auj.LunMarMerJeuVenSam21°10°Dim 20 sept. : max 19° · min 17° · normale 15,9°Lun 21 sept. : max 18° · min 14° · normale 15,7°Mar 22 sept. : max 15° · min 13° · normale 15,4°Mer 23 sept. : max 16° · min 10° · normale 15,2°Jeu 24 sept. : max 18° · min 11° · normale 15°Ven 25 sept. : max 20° · min 11° · normale 14,8°Sam 26 sept. : max 21° · min 10° · normale 14,6°

Hourly detail

DimLunMarMerJeuVenSamDim16°23°21°10°030
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in McHenry

2/6
Moyen
European Air Quality Index (EAQI) · CAMS source
PM2.511µg/m³
PM1011µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in McHenry: live radar and next-hour forecast

Will it rain in McHenry? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for McHenry

First quarter
65 % illuminated · 8,8 days
Rise 13h56 Set 23h07
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon
Sun 27/9 99%
Mon 28/9 95%
Tue 29/9 90%
Wed 30/9 83%
Thu 1/10 74%
Fri 2/10 64%

Rise and set in local time (America/Chicago) · phases and illumination computed by SkiesAtlas (synodic model).

Weather history for McHenry

What was the weather in McHenry on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in McHenry

Find the full weather for McHenry, Illinois: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “heavy rain” with 18 °C (feels like 18 °C) and wind at 14 km/h.

Today, temperatures range from 17 °C to 19 °C, with about 56 mm of rain. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms.

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