Live Weather & Forecast

Weather in Plano

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

Flag of United States
Overcast
24°C
Feels like 25°C
76°F / Feels 77°F
Overcast
Plano, Illinois
🌞 Daytime
Updated: 2026-04-12 19:00
💧
Humidity
47%
💨
Wind
26.3 km/h SSW
🌬️
Wind Gust
41.7 km/h
🌡️
Pressure
1009 mb
👁️
Visibility
13 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
10.2°C
🌐
Wind Degree
207°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
157.9 μg/m³
NO₂
4.9 μg/m³
O₃
93 μg/m³
SO₂
2.5 μg/m³
PM 2.5
6.6 μg/m³
PM 10
6.9 μg/m³

Weather Alerts 2

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...

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...

Today's Hourly Forecast

24-hour breakdown for Plano, Illinois

12 AM
Clear
11°
Clear
💧 71% 💨 15.8 km/h
1 AM
Clear
11°
Clear
💧 71% 💨 15.5 km/h
2 AM
Clear
11°
Clear
💧 74% 💨 17.6 km/h
3 AM
Clear
11°
Clear
💧 75% 💨 17.6 km/h
4 AM
Clear
11°
Clear
💧 80% 💨 18 km/h
5 AM
Clear
11°
Clear
💧 84% 💨 19.4 km/h
6 AM
Clear
11°
Clear
💧 87% 💨 22.3 km/h
7 AM
Sunny
13°
Sunny
💧 88% 💨 23.4 km/h
8 AM
Sunny
15°
Sunny
💧 84% 💨 24.8 km/h
9 AM
Sunny
18°
Sunny
💧 77% 💨 25.6 km/h
10 AM
Sunny
21°
Sunny
💧 72% 💨 30.2 km/h
11 AM
Sunny
24°
Sunny
💧 65% 💨 31.7 km/h
12 PM
Sunny
26°
Sunny
💧 56% 💨 33.5 km/h
1 PM
Sunny
28°
Sunny
💧 47% 💨 34.6 km/h
2 PM
Sunny
28°
Sunny
💧 45% 💨 34.9 km/h
3 PM
Sunny
28°
Sunny
💧 43% 💨 34.9 km/h
4 PM
Sunny
28°
Sunny
💧 44% 💨 32 km/h
5 PM
Sunny
26°
Sunny
💧 43% 💨 35.6 km/h
6 PM
Partly Cloudy
25°
Partly Cloudy
💧 41% 💨 35.6 km/h
7 PM
Overcast
24°
Overcast
💧 47% 💨 26.3 km/h
8 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 58% 💨 37.4 km/h 🌧️ 100%
9 PM
Moderate rain at times
19°
Moderate rain at times
💧 85% 💨 31.3 km/h 🌧️ 100%
10 PM
Heavy rain at times
18°
Heavy rain at times
💧 90% 💨 29.9 km/h 🌧️ 100%
11 PM
Moderate rain at times
17°
Moderate rain at times
💧 92% 💨 31.7 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Plano, Illinois

Today
Moderate rain
Moderate rain
30° / 11°
🌧️ 86% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 37.4 km/h
🌧️ Total precip: 5.83 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
Patchy rain nearby
22° / 16°
🌧️ 86% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 3.87 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:33 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: 89%
💨 Max wind: 34.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Plano

Plan your trip to Plano, 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 Plano 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Plano?
Current conditions in Plano: Overcast, temperature 24°C, humidity 47%.
What is the best time to visit Plano?
The best time to visit Plano is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Plano?
Plano is located at approximately 41.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Plano?
The wettest period in Plano is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Plano?
For visits to Plano during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Plano in?
Plano is located in United States, in the state of Illinois.
What are the public holidays in Plano in 2026?
View the 2026 public holidays for Plano on our Holidays page.
What are the GPS coordinates used for the weather forecast in Plano?
The weather forecast for Plano uses coordinates 41.6629, -88.5367.