Live Weather & Forecast

Weather in Harvey

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

Flag of United States
Partly cloudy
23°C
Feels like 25°C
74°F / Feels 76°F
Partly cloudy
Harvey, Illinois
🌞 Daytime
Updated: 2026-04-12 19:00
💧
Humidity
43%
💨
Wind
30.2 km/h SSW
🌬️
Wind Gust
46.2 km/h
🌡️
Pressure
1011 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
50%
💦
Dew Point
12.9°C
🌐
Wind Degree
203°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
153.9 μg/m³
NO₂
7.1 μg/m³
O₃
91 μg/m³
SO₂
2.8 μg/m³
PM 2.5
7.9 μg/m³
PM 10
8.2 μg/m³

Weather Alerts 5

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
Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 12 at 10:00PM 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 10:22AM CDT until April 12 at 10:00PM 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 US-421 south o...

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: 2026-04-12T22:00:00-05:00
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

Today's Hourly Forecast

24-hour breakdown for Harvey, Illinois

12 AM
Clear
11°
Clear
💧 68% 💨 14.8 km/h
1 AM
Clear
10°
Clear
💧 67% 💨 16.2 km/h
2 AM
Clear
11°
Clear
💧 68% 💨 16.6 km/h
3 AM
Clear
11°
Clear
💧 69% 💨 17.3 km/h
4 AM
Clear
11°
Clear
💧 71% 💨 18.4 km/h
5 AM
Clear
12°
Clear
💧 77% 💨 19.1 km/h
6 AM
Clear
13°
Clear
💧 81% 💨 20.5 km/h
7 AM
Sunny
14°
Sunny
💧 82% 💨 22 km/h
8 AM
Sunny
16°
Sunny
💧 76% 💨 23.4 km/h
9 AM
Sunny
18°
Sunny
💧 69% 💨 24.5 km/h
10 AM
Sunny
22°
Sunny
💧 62% 💨 25.9 km/h
11 AM
Sunny
25°
Sunny
💧 55% 💨 26.6 km/h
12 PM
Sunny
26°
Sunny
💧 49% 💨 28.8 km/h
1 PM
Partly Cloudy
28°
Partly Cloudy
💧 43% 💨 29.9 km/h
2 PM
Sunny
29°
Sunny
💧 44% 💨 31 km/h
3 PM
Sunny
28°
Sunny
💧 40% 💨 29.5 km/h
4 PM
Cloudy
28°
Cloudy
💧 41% 💨 27.4 km/h
5 PM
Sunny
27°
Sunny
💧 43% 💨 29.9 km/h
6 PM
Sunny
27°
Sunny
💧 41% 💨 29.5 km/h
7 PM
Partly cloudy
23°
Partly cloudy
💧 43% 💨 30.2 km/h
8 PM
Clear
22°
Clear
💧 46% 💨 32.4 km/h
9 PM
Patchy rain nearby
20°
Patchy rain nearby
💧 64% 💨 28.1 km/h 🌧️ 100%
10 PM
Moderate rain at times
19°
Moderate rain at times
💧 68% 💨 25.2 km/h 🌧️ 100%
11 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 73% 💨 30.2 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Harvey, Illinois

Today
Patchy rain nearby
Patchy rain nearby
30° / 10°
🌧️ 86% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 32.4 km/h
🌧️ Total precip: 1.02 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:28 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
Moderate rain
24° / 17°
🌧️ 88% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 5.56 mm
☀️ UV Index: 1
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
26° / 19°
🌧️ 75% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 0.88 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Harvey

Plan your trip to Harvey, 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 Harvey 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Harvey?
Current conditions in Harvey: Partly cloudy, temperature 23°C, humidity 43%.
What is the best time to visit Harvey?
The best time to visit Harvey is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Harvey?
Harvey is located at approximately 41.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Harvey?
The wettest period in Harvey is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Harvey?
For visits to Harvey during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Harvey in?
Harvey is located in United States, in the state of Illinois.
What are the public holidays in Harvey in 2026?
View the 2026 public holidays for Harvey on our Holidays page.
What are the GPS coordinates used for the weather forecast in Harvey?
The weather forecast for Harvey uses coordinates 41.61, -87.6467.