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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right

Roundup, MT

55°F
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Roundup

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Roundup, MT Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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9 AM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 2%
Chevron down
Partly sunny

RealFeel Shade™56°

WindW 15 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts20 mph

Humidity62%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

66°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Partly sunny

RealFeel Shade™62°

WindW 15 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts20 mph

Humidity54%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

70°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Intermittent clouds

RealFeel Shade™66°

WindW 15 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts21 mph

Humidity47%

Indoor Humidity47% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling19800 ft

12 PM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Intermittent clouds

RealFeel Shade™69°

WindW 14 mph

Air QualityFair

Max UV Index6.0 (High)

Wind Gusts20 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling14700 ft

1 PM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™71°

WindW 14 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts20 mph

Humidity38%

Indoor Humidity38% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling19800 ft

2 PM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindW 16 mph

Air QualityFair

Max UV Index7.3 (High)

Wind Gusts22 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling24900 ft

3 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™74°

WindW 15 mph

Air QualityFair

Max UV Index6.5 (High)

Wind Gusts21 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

79°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindW 14 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts20 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™77°

WindW 13 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts18 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindWNW 12 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts17 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

77°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindWNW 10 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts15 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Mostly sunny

RealFeel Shade™72°

WindWNW 7 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts8 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny

RealFeel Shade™68°

WindNNW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts7 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly cloudy w/ t-storms

WindNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity54%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Rain0.02 in

Visibility6 mi

Cloud Ceiling30000 ft

11 PM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Mostly clear

WindNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity60%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Roundup

AccuWeather's hourly forecast for Roundup provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 61° with a RealFeel® of 60°, partly sunny with a 2% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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