Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Storms drench millions as flash floods from D.C. to NYC turn deadly; boy drowns in Maryland Chevron right

Lewistown, MT

58°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lewistown

Montana

58°
No results found.
Try searching for a city, zip code or point of interest.
settings
Lewistown, MT 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

9 AM

60°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™59°

WindESE 5 mph

Air QualityExcellent

Max UV Index3 (Moderate)

Wind Gusts7 mph

Humidity90%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling34000 ft

10 AM

62°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™60°

WindW 6 mph

Air QualityExcellent

Max UV Index4 (Moderate)

Wind Gusts8 mph

Humidity81%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

65°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™63°

WindWNW 7 mph

Air QualityFair

Max UV Index6 (High)

Wind Gusts8 mph

Humidity66%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

69°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™67°

WindWNW 7 mph

Air QualityFair

Max UV Index8 (Very High)

Wind Gusts8 mph

Humidity56%

Indoor Humidity56% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

73°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly sunny

RealFeel Shade™70°

WindWNW 8 mph

Air QualityFair

Max UV Index8 (Very High)

Wind Gusts9 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

76°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindWNW 8 mph

Air QualityFair

Max UV Index6 (High)

Wind Gusts10 mph

Humidity44%

Indoor Humidity44% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindWNW 8 mph

Air QualityFair

Max UV Index6 (High)

Wind Gusts12 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover53%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

75°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™68°

WindWNW 8 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts15 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

5 PM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Intermittent clouds

RealFeel Shade™70°

WindWNW 9 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny

RealFeel Shade™71°

WindWNW 9 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts17 mph

Humidity58%

Indoor Humidity58% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 15%
Chevron down
Partly sunny

RealFeel Shade™71°

WindWNW 8 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Partly sunny

RealFeel Shade™68°

WindWNW 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts16 mph

Humidity55%

Indoor Humidity55% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Partly cloudy

WindW 6 mph

Air QualityFair

Wind Gusts14 mph

Humidity63%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity72%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity80%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Cool, dry air to replace flood-inducing storms in Northeast

5 hours ago

Severe Weather

Torrential rain, deadly flash flooding slam I-95 corridor

1 day ago

Severe Weather

Torrential downpours to pose dangerous flash flood risk in Southeast

5 hours ago

Astronomy

3 big astronomy events packed into 1 week in August sky

1 day ago

Hurricane

Hawaii faces wildfire risk amid drought, winds

5 hours ago

More Stories

Featured Stories

Weather News

Weather sparks firefly mania, but will it last?

21 hours ago

Live Blog

Clearing the air: Heat index of 182 degrees in Iran likely false

LATEST ENTRY

Heat index challenges world record, but is it real?

21 hours ago

Travel

US Navy F-35 crashes in California, pilot ejects safely

2 days ago

Severe Weather

How to tell how far away lightning is by counting

2 days ago

Travel

Flights at UK airports hit by major technical issue

2 days ago

World North America United States Montana Lewistown

Weather Near Lewistown:

  • Billings, MT
  • Great Falls, MT
  • Havre, MT
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

...

...

...