Live Weather & Forecast

Weather in Lyons

Q: What is the current weather in Lyons?

Current conditions in Lyons: Overcast, temperature 11°C, humidity 52%.

Q: What is the best time to visit Lyons?

The best time to visit Lyons is typically June – September. Warm, dry summers — ideal for outdoor activities.

Q: What are the GPS coordinates used for the weather forecast in Lyons?

The weather forecast for Lyons uses coordinates 41.8111, -87.8233.

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

11^°C

Feels like 10°C

51°F / Feels 49°F

Overcast

Lyons, Illinois

🌞 Daytime

Updated: 2026-04-11 19:15

💧

Humidity

52%

💨

Wind

9 km/h ESE

🌬️

Wind Gust

12.9 km/h

🌡️

Pressure

1024 mb

👁️

Visibility

16 km

☀️

UV Index

0 (Low)

🌧️

Precipitation

0 mm

☁️

Cloud Cover

100%

💦

Dew Point

3.3°C

🌐

Wind Degree

119°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)

243.9 μg/m³

NO₂

19.5 μg/m³

O₃

74 μg/m³

SO₂

4.7 μg/m³

PM 2.5

9.9 μg/m³

PM 10

10.2 μg/m³

Weather Alerts 5

Met · Severe · Immediate

Flood Warning issued April 10 at 9:04PM CDT by NWS Chicago IL

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

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: 2026-04-10T21:04:00-05:00 · Expires: 2026-04-11T15:15:00-05:00

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...

Effective: 2026-04-11T10:46:00-05:00 · Expires: 2026-04-12T05:00:00-05:00

Met · Severe · Immediate

Flood Warning issued April 10 at 8:58PM CDT until April 14 at 1:00AM CDT by NWS Chicago IL

...The Flood Warning is extended 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, Shelby...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Kankakee River from Near...

Effective: 2026-04-10T20:58:00-05:00 · Expires: 2026-04-11T15:00:00-05:00

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...

Effective: 2026-04-11T10:50:00-05:00 · Expires: 2026-04-12T05:00:00-05:00

Met · Severe · Immediate

Flood Warning issued April 10 at 9:02PM CDT until April 12 at 7:00AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. For the Des Plaines River...including Russell, Gurnee...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstre...

Effective: 2026-04-10T21:02:00-05:00 · Expires: 2026-04-11T15:15:00-05:00

Today's Hourly Forecast

24-hour breakdown for Lyons, Illinois

12 AM

4°

Clear

💧 91% 💨 6.8 km/h

1 AM

4°

Clear

💧 91% 💨 6.5 km/h

2 AM

3°

Clear

💧 92% 💨 6.1 km/h

3 AM

3°

Partly Cloudy

💧 92% 💨 6.1 km/h

4 AM

3°

Partly Cloudy

💧 93% 💨 4.7 km/h

5 AM

2°

Clear

💧 93% 💨 5 km/h

6 AM

2°

Mist

💧 94% 💨 5.4 km/h

7 AM

3°

Mist

💧 97% 💨 5.4 km/h

8 AM

5°

Sunny

💧 91% 💨 7.9 km/h

9 AM

7°

Sunny

💧 81% 💨 9.7 km/h

10 AM

8°

Sunny

💧 73% 💨 11.5 km/h

11 AM

11°

Sunny

💧 69% 💨 11.5 km/h

12 PM

13°

Sunny

💧 42% 💨 10.8 km/h

1 PM

13°

Sunny

💧 43% 💨 9.7 km/h

2 PM

14°

Sunny

💧 47% 💨 11.2 km/h

3 PM

14°

Sunny

💧 47% 💨 11.9 km/h

4 PM

15°

Sunny

💧 45% 💨 12.2 km/h

5 PM

14°

Sunny

💧 45% 💨 11.2 km/h

6 PM

14°

Sunny

💧 45% 💨 10.4 km/h

7 PM

11°

Overcast

💧 52% 💨 9 km/h

8 PM

11°

Clear

💧 59% 💨 8.6 km/h

9 PM

10°

Patchy rain nearby

💧 67% 💨 8.6 km/h 🌧️ 100%

10 PM

10°

Clear

💧 71% 💨 10.4 km/h

11 PM

10°

Patchy rain nearby

💧 76% 💨 8.6 km/h 🌧️ 68%

3-Day Forecast

Daily overview for Lyons, Illinois

Today

Patchy rain nearby

15° / 2°

🌧️ 68% chance of rain

💧 Avg. humidity: 70%

💨 Max wind: 12.2 km/h

🌧️ Total precip: 0.25 mm

☀️ UV Index: 1.4

🌅 Sunrise: 06:17 AM

🌇 Sunset: 07:28 PM

🌙 Waning Crescent

🌑 Moon: 42% lit

Sun, Apr 12

Patchy rain nearby

26° / 10°

🌧️ 83% chance of rain

💧 Avg. humidity: 79%

💨 Max wind: 27 km/h

🌧️ Total precip: 0.71 mm

☀️ UV Index: 1.1

🌅 Sunrise: 06:15 AM

🌇 Sunset: 07:29 PM

🌙 Waning Crescent

🌑 Moon: 33% lit

Mon, Apr 13

Heavy rain

26° / 16°

🌧️ 86% chance of rain

💧 Avg. humidity: 82%

💨 Max wind: 25.2 km/h

🌧️ Total precip: 32 mm

☀️ UV Index: 1.2

🌅 Sunrise: 06:14 AM

🌇 Sunset: 07:30 PM

🌙 Waning Crescent

🌑 Moon: 23% lit

Best Time to Visit Lyons

Plan your trip to Lyons, 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 Lyons 🗓 View Holidays 2026

Frequently Asked Questions

People also ask — answers optimized for search engines and voice queries.

What is the current weather in Lyons?

Current conditions in Lyons: Overcast, temperature 11°C, humidity 52%.

What is the best time to visit Lyons?

The best time to visit Lyons is typically June – September. Warm, dry summers — ideal for outdoor activities.

What is the climate like in Lyons?

Lyons is located at approximately 41.8° latitude. It has a temperate climate with warm summers and cold winters.

Does it rain a lot in Lyons?

The wettest period in Lyons is typically during November – March. Cooler temperatures; some regions may experience rain or snow.

What should I pack for a trip to Lyons?

For visits to Lyons during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.

What country is Lyons in?

Lyons is located in United States, in the state of Illinois.

What are the public holidays in Lyons in 2026?

View the 2026 public holidays for Lyons on our Holidays page.

What are the GPS coordinates used for the weather forecast in Lyons?

The weather forecast for Lyons uses coordinates 41.8111, -87.8233.