Live Weather & Forecast

Weather in Machesney Park

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

Flag of United States
Light rain
16°C
Feels like 16°C
60°F / Feels 60°F
Light rain
Machesney Park, Illinois
🌙 Nighttime
Updated: 2026-04-13 00:15
💧
Humidity
93%
💨
Wind
27.4 km/h SW
🌬️
Wind Gust
39.6 km/h
🌡️
Pressure
1009 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
14°C
🌐
Wind Degree
234°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
149.9 μg/m³
NO₂
2.9 μg/m³
O₃
82 μg/m³
SO₂
1.4 μg/m³
PM 2.5
4.1 μg/m³
PM 10
4.2 μg/m³

Weather Alerts 2

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 · Moderate · Expected
Special Weather Statement issued April 12 at 1:25PM CDT by NWS Quad Cities IA IL

Strong south-southwesterly winds will continue this afternoon through the early evening hours, with occasional gusts as high as 45 mph. There are also some developing showers and a few isolated thunderstorms this afternoon that could help generate stronger wind gusts up to 50 mph. If traveling on east-to-west oriented roads, be prepared for gusty crosswinds, especially in high profile vehicles. S...

Effective: 2026-04-12T13:25:00-05:00  ·  Expires: 2026-04-12T20:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Machesney Park, Illinois

12 AM
Clear
16°
Clear
💧 90% 💨 27 km/h
1 AM
Light rain
16°
Light rain
💧 93% 💨 27.4 km/h
2 AM
Partly Cloudy
16°
Partly Cloudy
💧 93% 💨 26.6 km/h
3 AM
Partly Cloudy
16°
Partly Cloudy
💧 92% 💨 27.7 km/h
4 AM
Overcast
16°
Overcast
💧 93% 💨 25.6 km/h
5 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 94% 💨 22.3 km/h 🌧️ 70%
6 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 94% 💨 21.6 km/h 🌧️ 87%
7 AM
Mist
17°
Mist
💧 94% 💨 18 km/h
8 AM
Overcast
18°
Overcast
💧 94% 💨 15.5 km/h
9 AM
Overcast
18°
Overcast
💧 95% 💨 16.9 km/h
10 AM
Overcast
19°
Overcast
💧 94% 💨 19.1 km/h
11 AM
Overcast
20°
Overcast
💧 92% 💨 20.9 km/h
12 PM
Overcast
20°
Overcast
💧 92% 💨 21.6 km/h
1 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 93% 💨 23.8 km/h
2 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 90% 💨 20.9 km/h
3 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 91% 💨 20.2 km/h
4 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 94% 💨 20.2 km/h
5 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 93% 💨 23 km/h
6 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 96% 💨 25.9 km/h
7 PM
Thundery outbreaks in nearby
21°
Thundery outbreaks in nearby
💧 93% 💨 25.6 km/h
8 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 90% 💨 27.4 km/h
9 PM
Thundery outbreaks in nearby
20°
Thundery outbreaks in nearby
💧 94% 💨 28.8 km/h
10 PM
Overcast
20°
Overcast
💧 95% 💨 29.2 km/h
11 PM
Overcast
19°
Overcast
💧 96% 💨 29.5 km/h

3-Day Forecast

Daily overview for Machesney Park, Illinois

Today
Thundery outbreaks in nearby
Thundery outbreaks in nearby
21° / 15°
🌧️ 0% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
24° / 18°
🌧️ 79% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 6.41 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
Heavy rain
24° / 18°
🌧️ 84% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 35.61 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Machesney Park

Plan your trip to Machesney Park, 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 Machesney Park 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Machesney Park?
Current conditions in Machesney Park: Light rain, temperature 16°C, humidity 93%.
What is the best time to visit Machesney Park?
The best time to visit Machesney Park is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Machesney Park?
Machesney Park is located at approximately 42.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Machesney Park?
The wettest period in Machesney Park is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Machesney Park?
For visits to Machesney Park during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Machesney Park in?
Machesney Park is located in United States, in the state of Illinois.
What are the public holidays in Machesney Park in 2026?
View the 2026 public holidays for Machesney Park on our Holidays page.
What are the GPS coordinates used for the weather forecast in Machesney Park?
The weather forecast for Machesney Park uses coordinates 42.3472, -89.039.