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Roundup, MT

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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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10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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1 PM

86°

RealFeel® 87°

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.

0%

Intermittent clouds

RealFeel Shade™81°

Heat Index83°

WindW 23 mph

Air QualityPoor

Max UV Index9.5 (Very High)

Wind Gusts39 mph

Humidity20%

Indoor Humidity20% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

88°

RealFeel® 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.

0%

Intermittent clouds

RealFeel Shade™83°

Heat Index84°

WindW 23 mph

Air QualityPoor

Max UV Index8.7 (Very High)

Wind Gusts44 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°

RealFeel® 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.

0%

Intermittent clouds

RealFeel Shade™84°

Heat Index85°

WindWNW 23 mph

Air QualityPoor

Max UV Index6.6 (High)

Wind Gusts48 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

90°

RealFeel® 89°

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.

0%

Intermittent clouds

RealFeel Shade™86°

Heat Index86°

WindWNW 23 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts50 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

89°

RealFeel® 87°

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.

0%

Partly sunny

RealFeel Shade™85°

Heat Index86°

WindWNW 22 mph

Air QualityPoor

Max UV Index3.6 (Moderate)

Wind Gusts51 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover36%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

88°

RealFeel® 85°

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.

0%

Mostly sunny

RealFeel Shade™83°

Heat Index84°

WindWNW 22 mph

Air QualityPoor

Max UV Index2.4 (Low)

Wind Gusts52 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°

RealFeel® 82°

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.

1%

Sunny

RealFeel Shade™81°

Heat Index83°

WindWNW 21 mph

Air QualityUnhealthy

Max UV Index1.5 (Low)

Wind Gusts46 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Mostly sunny

RealFeel Shade™78°

Heat Index80°

WindWNW 20 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts39 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

77°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Mostly sunny

RealFeel Shade™73°

WindWNW 18 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts35 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

6%

Mostly clear

WindWNW 16 mph

Air QualityPoor

Wind Gusts31 mph

Humidity34%

Indoor Humidity34% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

69°

RealFeel® 65°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

4%

Mostly clear

WindWNW 14 mph

Air QualityPoor

Wind Gusts29 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point46° 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 86° with a RealFeel® of 87°, intermittent clouds with a 0% 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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