Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Flash flood risk to focus on parts of central US. Get the forecast Chevron right

Nilwood, IL

86°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Nilwood

Illinois

86°
No results found.
Try searching for a city, zip code or point of interest.
settings
Nilwood, IL Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, July 20

Current Weather

10:33 AM

86°F
Cloudy
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel®
103°
RealFeel Shade™
96°
Max UV Index
3 Moderate
Wind
W 5 mph
Wind Gusts
8 mph
Humidity
80%
Indoor Humidity
80% (Dangerously Humid)
Dew Point
79° F
Pressure
↑ 30.02 in
Cloud Cover
99%
Visibility
12 mi
Cloud Ceiling
27100 ft

Day

7/20
90°Hi
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Mostly cloudy, hot and humid with a couple of drenching thunderstorms; storms can bring flash flooding and damaging winds
alerts

Flood Watch

5:00 PM Sunday - 1:00 PM Monday

Max UV Index5 (Moderate)

AccuLumen Brightness Index™4 (Dull)

WindESE 6 mph

Wind Gusts13 mph

Probability of Precipitation99%

Probability of Thunderstorms59%

Precipitation0.52 in

Rain0.52 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover80%

Morning

Afternoon

Night

7/20
72°Lo
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mostly cloudy, warm and very humid with a couple of heavy thunderstorms; storms can bring flash flooding and damaging winds
alerts

Flood Watch

5:00 PM Sunday - 1:00 PM Monday

WindE 6 mph

Wind Gusts16 mph

Probability of Precipitation99%

Probability of Thunderstorms59%

Precipitation1.01 in

Rain1.01 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover83%

Evening

Overnight

Sun & Moon

14 hrs 33 mins
Rise 5:49 AM
Set 8:22 PM
Waning Crescent
Rise 1:17 AM
Set 4:55 PM

Temperature History

7/20
High
Low
Forecast
90°
72°
Average
89°
68°
Last Year
78°
58°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

When water hits like a tornado: The violent force of flash flooding

2 days ago

Severe Weather

Severe thunderstorms to bring a risk for flash flooding

1 hour ago

Weather News

Lightning strike scorches Florida golf green

1 day ago

Weather Forecasts

100-degree heat dome to set up shop over southern US

5 hours ago

Weather News

Why the search for the missing in Texas may take months

1 day ago

 More Stories

Featured Stories

Recreation

Felix Baumgartner, known for jump from stratosphere, dies in crash

1 day ago

Weather News

Curious Colorado bear rescued from storm drain

2 days ago

Weather News

Dinosaur fossil found underneath a Denver museum’s parking lot

2 days ago

Weather News

Dolphin rescued from shallow lagoon in South Carolina

1 day ago

Weather News

What happens when an octopus engages with art?

1 day ago
World North America United States Illinois Nilwood

Weather Near Nilwood:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...