Weather forecast for today
Lanark, IL

Weather forecast for today

Friday, Apr 18.

Isolated Thunderstorms
6:11 am

7:45 pm
CDT
Isolated Thunderstorms
73°F / 46°F
  • Wind: 16mph SW
  • Humidity: 73%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • UV index: 3
On Friday, in Lanark, occasional rumbles of thunder may accompany passing rain showers.
Minimal precipitation is forecasted for today. Day and night temperatures will sharply contrast, oscillating between a warm 73.4°F and a chilly 46.4°F.
An unusual warmer pattern is expected, as the day’s high matches May's typical max of 68.5°F.
Sunrise was at 6:11 am and sunset will be at 7:45 pm; the daylight will last for 13h and 34min.

Current condition

Cloudy
9:18 am CDT
Cloudy
  • 64°F
  • Feels like: 63°F
  • Wind: 13mph S
  • Humidity: 79%
  • Dewpoint: 57°F
  • Pressure: 29.59"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 1
At the moment, a thick, uninterrupted layer of clouds is hanging overhead.
The temperature is a comfortable 64.4°F, the real-feel temperature is nearly identical at 62.6°F. The current temperature is a few degrees off the maximum of 73.4°F for today.

Frequently asked questions

What is the temperature now?
At 9:18 am CDT, the temperature is 64.4°F.
What is the weather forecast for Lanark for today?
Today, isolated storm cells will bring brief downpours and thunder.
Will it rain today in Lanark?
Today, there is a low probability of minimal rainfall in Lanark.
What will be the maximum temperature today?
Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 46.4°F.
The highest temperature will be notably higher than the average maximum of 56.5°F in April. The lowest temperature will be a few degrees higher than the average low of 39.9°F.
When are sunrise and sunset today?
On Friday, in Lanark, sunrise was at 6:11 am and sunset will be at 7:45 pm (CDT).
How many hours of daylight will Lanark have today?
Today, the daylight will last for 13h and 34min.

Hourly weather forecast

10 am
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Wind: 14mph SSW
  • Pressure: 29.59"Hg
  • Humidity: 78%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 68°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Wind: 16mph SSW
  • Pressure: 29.56"Hg
  • Humidity: 75%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 70°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Wind: 16mph SW
  • Pressure: 29.56"Hg
  • Humidity: 71%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 16mph SW
  • Pressure: 29.56"Hg
  • Humidity: 68%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 16mph SW
  • Pressure: 29.59"Hg
  • Humidity: 68%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 15mph SW
  • Pressure: 29.59"Hg
  • Humidity: 69%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 16mph WSW
  • Pressure: 29.59"Hg
  • Humidity: 69%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 70°F
  • Feels like:
    70°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 14mph WSW
  • Pressure: 29.62"Hg
  • Humidity: 72%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 68°F
  • Feels like:
    68°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 14mph W
  • Pressure: 29.65"Hg
  • Humidity: 73%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Visibility: 7mi
7 pm
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Wind: 13mph WNW
  • Pressure: 29.71"Hg
  • Humidity: 77%
  • Precip. probability: 21%
  • Precipitation: 0"
  • Visibility: 7mi
Sunset: 7:45 pm
8 pm
  • 61°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Wind: 12mph WNW
  • Pressure: 29.74"Hg
  • Humidity: 81%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 7mi
9 pm
  • 57°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Wind: 11mph WNW
  • Pressure: 29.77"Hg
  • Humidity: 84%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 7mi
10 pm
  • 54°F
  • Feels like:
    52°F
Cloudy
Cloudy
  • Wind: 11mph WNW
  • Pressure: 29.83"Hg
  • Humidity: 86%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 6mi
11 pm
  • 54°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Wind: 12mph NW
  • Pressure: 29.85"Hg
  • Humidity: 86%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 9mi
Today, primarily cloudy and occasionally thunderstorm-prone weather is forecasted.
With minimal precipitation of 0.04", rainfall is predicted at 5 pm and 6 pm.
The temperature will vary between the lowest temperature of 53.6°F and the highest temperature of 71.6°F. The warmest part of the day will be from 1 pm to 4 pm.
The forecasted high is more in line with May's typical maximum of 68.5°F than the usual for April. The expected low will be also more in line with what’s common in May than the current April average of 39.9°F.
Updated: Apr 18, 2025 @ 14:18:33 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Lanark, Illinois, USA

  • en: Lanark, Illinois, USA
  • es: Lanark, Illinois, EE.UU.
  • hr: Lanark, Ilinois, SAD
  • sr: Lanark, Ilinois, SAD
  • zh: 拉纳克, 伊利诺伊, 美国
  • Latitude: 42.102247°
  • Longitude: -89.833453°
  • Elevation: 876 ft
  • Current time: 9:18am CDT
  • Sunrise: 6:11 am CDT
  • Sunset: 7:45 pm CDT
  • Timezone: America/Chicago
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