Home › United States › Illinois › Illiopolis

Weather in Illiopolis

Illinois · 880 inhabitants · Sunday, September 13 · updated 17h22

Raining now Air : Bon Very hot · 2 j Moderate storm risk · Wed, Thu, Sun
Mainly clear
28°
Mainly clear
Feels like 28°C
Wind
22 km/h
Gusts
22 km/h
Humidity
30 %
Pressure
1017 hPa
Clouds
24 %
Storm
No
Rise 06h35 Set 19h10 Day 12h35 UV 7 · High

Detailed forecast

Trend
Afternoon
Mainly clear
Mainly clear
28°26°
Feels like 28°
Wind ↑ NNE 22 km/h
Humidity 30 %
Evening
Mainly clear
Mainly clear
23°18°
Feels like 25°
Wind ↑ NE 13 km/h
Gusts 30 km/h
Humidity 45 %

Weather charts for Illiopolis · 7 days

Temperatures over 7 days

▲ +7.2° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
13°20°26°33°39°Auj.LunMarMerJeuVenSam37°22°Dim 13 sept. : max 28° · min 19° · normale 19°Lun 14 sept. : max 30° · min 15° · normale 18,9°Mar 15 sept. : max 36° · min 21° · normale 18,8°Mer 16 sept. : max 31° · min 21° · normale 18,5°Jeu 17 sept. : max 30° · min 18° · normale 18,3°Ven 18 sept. : max 33° · min 20° · normale 18,1°Sam 19 sept. : max 37° · min 22° · normale 17,9°

Hourly detail

DimLunMarMerJeuVenSamDim14°26°38°37°15°05
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Illiopolis

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.57µg/m³
PM107µg/m³

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

Rain in Illiopolis: live radar and next-hour forecast

Will it rain in Illiopolis? 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 Illiopolis

New moon
4 % illuminated · 1,8 days
Rise 07h18 Set 18h16
Mon 14/9 9%
Tue 15/9 16%
Wed 16/9 24%
Thu 17/9 34%
Fri 18/9 44%
Sat 19/9 55% First quarter
Sun 20/9 65%
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%

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

Weather history for Illiopolis

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

The weather in Illiopolis

Find the full weather for Illiopolis, Illinois: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “mainly clear” with 28 °C (feels like 28 °C) and wind at 22 km/h.

Today, temperatures range from 19 °C to 28 °C, with no significant precipitation, with a storm risk to watch, under strong heat. 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.

Nearby cities

Springfield 35 km Decatur 25 km 34° Lincoln 34 km Chatham 44 km Taylorville 34 km 35° Clinton 41 km 33° Mount Zion 33 km 34° Pana 54 km 35° Auburn 52 km Sherman 31 km Rochester 27 km Forsyth 26 km 33°

Need this data in your app?

Access weather, tides, air quality and more via our REST API. Free API key, no credit card required.

Get API key