Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Flood in a drought: Heavy rain to drench southern US into the weekend. See the forecast. Chevron right

Lewistown, IL

89°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lewistown

Illinois

89°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Lewistown, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, May 29

Current Weather

6:02 PM

89°F
Partly sunny
RealFeel® 92°
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 Shade™ 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel®
92°
RealFeel Shade™
88°
Heat Index
90°
Max UV Index
2.1 (Low)
Wind
SE 3 mph
Wind Gusts
5 mph
Humidity
44%
Indoor Humidity
44% (Humid)
Dew Point
64° F
Pressure
↓ 29.95 in
Cloud Cover
31%
Visibility
30 mi
Cloud Ceiling
19100 ft

Day

5/29
90°Hi
RealFeel® 95°
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 Shade™ 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Times of sun and clouds

Max UV Index10.0 (Very High)

AccuLumen Brightness Index™7 (Bright)

WindSE 6 mph

Wind Gusts12 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover52%

Morning

Afternoon

Night

5/29
62°Lo
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindESE 5 mph

Wind Gusts7 mph

Probability of Precipitation20%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover10%

Evening

Overnight

Sun & Moon

14 hrs 48 mins
Rise 5:34 AM
Set 8:22 PM
Waxing Gibbous
Rise 7:19 PM
Set 4:36 AM

Temperature History

5/29
High
Low
Forecast
90°
62°
Average
78°
55°
Last Year
71°
53°

Current Weather Conditions in Lewistown

Lewistown, Illinois is currently Partly sunny with a temperature of 89°. The current RealFeel® Temperature is 92° (Hot) based on observed conditions including 44% humidity, 31% cloud cover, a UV index of 2, and winds of 3 mph. In shade, the RealFeel Shade™ is 88°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Lewistown, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Downpours bring heightened flood risk, drought relief to southern US

4 hours ago

Astronomy

Blue Origin rocket explosion damages New Glenn launchpad in Florida

9 hours ago

Severe Weather

Damaging hail, strong winds to target Plains

2 hours ago

Weather Forecasts

Mid-Atlantic to enjoy mainly dry weekend as New England is soaked

3 hours ago

Hurricane

Forecasters eye Atlantic, Pacific early in hurricane season

2 hours ago

More Stories

Featured Stories

Recreation

Venomous Portuguese man o’ war spotted on Myrtle Beach

7 hours ago

Astronomy

Blue Moon, 4 planets to shine during the final weekend of May

1 day ago

Recreation

Yosemite crowds offer first look at summer travel without reservations

3 hours ago

Weather News

Tiny blue octopus identified as new species

7 hours ago

Astronomy

What happened when an astronaut suddenly couldn’t speak in space

2 days ago

World North America United States Illinois Lewistown

Weather Near Lewistown:

  • Bloomington, IL
  • Normal, IL
  • Peoria, IL
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect 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 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
© 2026 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 | Data Sources

...

...

...