Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
The heat dome is shifting. Click to see where the heat is headed next. Chevron right
Storms, flooding to replace record heat in the mid-Atlantic. Get the forecast. Chevron right

Lyman, SD

91°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lyman

South Dakota

91°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Lyman, SD 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
Sunday, July 19

Day

7/19
93°Hi
RealFeel® 102°
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™ 93°
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
Very warm with increasing amounts of sun

Max UV Index9.0 (Very High)

WindE 6 mph

Wind Gusts13 mph

Probability of Precipitation20%

Probability of Thunderstorms3%

Precipitation0.00 in

Cloud Cover35%

Morning

Afternoon

Night

7/19
67°Lo
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy

WindESE 8 mph

Wind Gusts14 mph

Probability of Precipitation25%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover50%

Evening

Overnight

Sun & Moon

15 hrs 03 mins
Rise 6:14 AM
Set 9:17 PM
Waxing Crescent
Rise 12:31 PM
Set 11:56 PM

Temperature History

7/19
High
Low
Forecast
93°
67°
Average
88°
63°
Last Year
78°
64°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Extreme heat to shift west into mid-July prior to return of monsoon

3 hours ago

Weather News

America 250 events are being canceled, reshaped as heat dome grips US

2 days ago

Severe Weather

Storms, downpours to persist into new week across central, eastern US

3 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Mexico City match to kick off as planned Sunday despite storms

10 hours ago

Health

CDC: 125 ill in Princess cruise ship norovirus outbreak

2 days ago

 More Stories

Featured Stories

Weather News

Texas Hill Country marks 1 year since deadly July 4 flood

2 days ago

Weather News

What is the most American animal?

3 days ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

5 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

5 days ago

Recreation

Girl survives rabid bat attack after receiving lifesaving treatment

3 days ago
World North America United States South Dakota Lyman

Weather Near Lyman:

  • Aberdeen, SD
  • Pierre, SD
  • Sioux Falls, SD
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

...

...

...