Live Weather & Forecast

Weather in Oak Forest

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

Flag of United States
Sunny
14°C
Feels like 12°C
57°F / Feels 53°F
Sunny
Oak Forest, Illinois
🌞 Daytime
Updated: 2026-04-12 07:45
💧
Humidity
77%
💨
Wind
22.3 km/h S
🌬️
Wind Gust
36.4 km/h
🌡️
Pressure
1018 mb
👁️
Visibility
16 km
☀️
UV Index
0.1 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
10.5°C
🌐
Wind Degree
183°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
174.9 μg/m³
NO₂
5.4 μg/m³
O₃
102 μg/m³
SO₂
4 μg/m³
PM 2.5
8.1 μg/m³
PM 10
8.4 μg/m³

Weather Alerts 5

Met · Severe · Immediate
Flood Warning issued April 11 at 10:50AM 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 Jasper and Porter Counties. Kankakee River at Shelby affecting Lake IN and Newton 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: 2026-04-11T10:50:00-05:00  ·  Expires: 2026-04-12T05:00:00-05:00
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 11 at 10:50AM 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 Jasper and Porter Counties. Kankakee River at Shelby affecting Lake IN and Newton 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: 2026-04-11T10:50:00-05:00  ·  Expires: 2026-04-12T05:00:00-05:00
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 11 at 10:46AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry 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: 2026-04-11T10:46:00-05:00  ·  Expires: 2026-04-12T05:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Oak Forest, Illinois

12 AM
Clear
12°
Clear
💧 55% 💨 15.5 km/h
1 AM
Clear
12°
Clear
💧 57% 💨 15.8 km/h
2 AM
Clear
12°
Clear
💧 58% 💨 16.2 km/h
3 AM
Clear
12°
Clear
💧 61% 💨 17.6 km/h
4 AM
Clear
12°
Clear
💧 69% 💨 18.4 km/h
5 AM
Clear
13°
Clear
💧 76% 💨 19.4 km/h
6 AM
Clear
13°
Clear
💧 81% 💨 21.2 km/h
7 AM
Sunny
14°
Sunny
💧 77% 💨 22.3 km/h
8 AM
Sunny
17°
Sunny
💧 74% 💨 23.8 km/h
9 AM
Sunny
19°
Sunny
💧 66% 💨 24.8 km/h
10 AM
Sunny
23°
Sunny
💧 59% 💨 27.4 km/h
11 AM
Sunny
26°
Sunny
💧 51% 💨 28.4 km/h
12 PM
Sunny
28°
Sunny
💧 46% 💨 29.2 km/h
1 PM
Sunny
28°
Sunny
💧 40% 💨 30.6 km/h
2 PM
Sunny
28°
Sunny
💧 39% 💨 29.2 km/h
3 PM
Sunny
29°
Sunny
💧 37% 💨 29.2 km/h
4 PM
Sunny
27°
Sunny
💧 38% 💨 25.2 km/h
5 PM
Overcast
25°
Overcast
💧 61% 💨 23 km/h
6 PM
Overcast
23°
Overcast
💧 68% 💨 15.8 km/h
7 PM
Overcast
22°
Overcast
💧 73% 💨 20.9 km/h
8 PM
Partly Cloudy
22°
Partly Cloudy
💧 67% 💨 29.5 km/h
9 PM
Overcast
20°
Overcast
💧 66% 💨 26.3 km/h
10 PM
Overcast
19°
Overcast
💧 78% 💨 27 km/h
11 PM
Overcast
18°
Overcast
💧 87% 💨 31.3 km/h

3-Day Forecast

Daily overview for Oak Forest, Illinois

Today
Sunny
Sunny
30° / 12°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:29 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Heavy rain
Heavy rain
24° / 16°
🌧️ 89% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 22.82 mm
☀️ UV Index: 1
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:30 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: 87%
💨 Max wind: 37.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Oak Forest

Plan your trip to Oak Forest, 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 Oak Forest 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Oak Forest?
Current conditions in Oak Forest: Sunny, temperature 14°C, humidity 77%.
What is the best time to visit Oak Forest?
The best time to visit Oak Forest is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Oak Forest?
Oak Forest is located at approximately 41.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Oak Forest?
The wettest period in Oak Forest is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Oak Forest?
For visits to Oak Forest during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Oak Forest in?
Oak Forest is located in United States, in the state of Illinois.
What are the public holidays in Oak Forest in 2026?
View the 2026 public holidays for Oak Forest on our Holidays page.
What are the GPS coordinates used for the weather forecast in Oak Forest?
The weather forecast for Oak Forest uses coordinates 41.6028, -87.7439.