Live Weather & Forecast

Weather in Crest Hill

Illinois, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
27°C
Feels like 27°C
80°F / Feels 81°F
Overcast
Crest Hill, Illinois
🌞 Daytime
Updated: 2026-04-12 13:30
💧
Humidity
45%
💨
Wind
32 km/h SSW
🌬️
Wind Gust
41.5 km/h
🌡️
Pressure
1013 mb
👁️
Visibility
16 km
☀️
UV Index
4.1 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
15.7°C
🌐
Wind Degree
213°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
165.9 μg/m³
NO₂
8.2 μg/m³
O₃
103 μg/m³
SO₂
3 μg/m³
PM 2.5
8.8 μg/m³
PM 10
9.3 μg/m³

Weather Alerts 4

Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00
Met · Severe · Immediate
Flood Warning issued April 12 at 10:46AM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-12T10:46:00-05:00  ·  Expires: 2026-04-13T05:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 14 at 1:00AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00
Met · Severe · Immediate
Flood Warning issued April 12 at 10:22AM CDT until April 14 at 1:00AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Indiana... Kankakee River at Dunns Bridge affecting Porter and Jasper Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. For the Kankakee River...including Dunns Bridge...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near I-65 and...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-12T10:22:00-05:00  ·  Expires: 2026-04-13T04:30:00-05:00

Today's Hourly Forecast

24-hour breakdown for Crest Hill, Illinois

12 AM
Clear
12°
Clear
💧 65% 💨 17.3 km/h
1 AM
Clear
11°
Clear
💧 62% 💨 16.2 km/h
2 AM
Clear
11°
Clear
💧 65% 💨 16.6 km/h
3 AM
Clear
12°
Clear
💧 71% 💨 18.4 km/h
4 AM
Clear
12°
Clear
💧 77% 💨 19.4 km/h
5 AM
Clear
12°
Clear
💧 82% 💨 20.5 km/h
6 AM
Clear
13°
Clear
💧 85% 💨 22.3 km/h
7 AM
Sunny
14°
Sunny
💧 85% 💨 23.8 km/h
8 AM
Sunny
16°
Sunny
💧 81% 💨 25.2 km/h
9 AM
Sunny
18°
Sunny
💧 76% 💨 26.3 km/h
10 AM
Sunny
22°
Sunny
💧 69% 💨 29.2 km/h
11 AM
Sunny
25°
Sunny
💧 61% 💨 30.2 km/h
12 PM
Sunny
27°
Sunny
💧 52% 💨 31.3 km/h
1 PM
Overcast
27°
Overcast
💧 45% 💨 32 km/h
2 PM
Sunny
29°
Sunny
💧 40% 💨 32 km/h
3 PM
Sunny
30°
Sunny
💧 40% 💨 30.2 km/h
4 PM
Sunny
26°
Sunny
💧 40% 💨 27 km/h
5 PM
Overcast
24°
Overcast
💧 62% 💨 21.2 km/h
6 PM
Overcast
22°
Overcast
💧 67% 💨 15.5 km/h
7 PM
Overcast
22°
Overcast
💧 75% 💨 24.1 km/h
8 PM
Cloudy
21°
Cloudy
💧 66% 💨 32 km/h
9 PM
Overcast
19°
Overcast
💧 66% 💨 27.7 km/h
10 PM
Overcast
19°
Overcast
💧 87% 💨 27.7 km/h
11 PM
Overcast
18°
Overcast
💧 89% 💨 32.4 km/h

3-Day Forecast

Daily overview for Crest Hill, Illinois

Today
Sunny
Sunny
30° / 11°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 32.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Heavy rain
Heavy rain
23° / 16°
🌧️ 81% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 21.73 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
Thundery outbreaks in nearby
26° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 41.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Crest Hill

Plan your trip to Crest Hill, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Crest Hill 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Crest Hill?
Current conditions in Crest Hill: Overcast, temperature 27°C, humidity 45%.
What is the best time to visit Crest Hill?
The best time to visit Crest Hill is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Crest Hill?
Crest Hill is located at approximately 41.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Crest Hill?
The wettest period in Crest Hill is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Crest Hill?
For visits to Crest Hill during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Crest Hill in?
Crest Hill is located in United States, in the state of Illinois.
What are the public holidays in Crest Hill in 2026?
View the 2026 public holidays for Crest Hill on our Holidays page.
What are the GPS coordinates used for the weather forecast in Crest Hill?
The weather forecast for Crest Hill uses coordinates 41.5548, -88.0987.