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Roundup, MT

74°F
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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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10 AM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Sunny

RealFeel Shade™73°

WindN 9 mph

Air QualityExcellent

Max UV Index4.9 (Moderate)

Wind Gusts10 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33000 ft

11 AM

81°
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.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™78°

Heat Index80°

WindNNE 9 mph

Air QualityExcellent

Max UV Index6.9 (High)

Wind Gusts12 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

86°
RealFeel® 91°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™83°

Heat Index83°

WindNNE 9 mph

Air QualityExcellent

Max UV Index8.9 (Very High)

Wind Gusts12 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
RealFeel® 94°
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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™85°

Heat Index85°

WindNE 9 mph

Air QualityFair

Max UV Index9.6 (Very High)

Wind Gusts12 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™87°

Heat Index87°

WindNE 9 mph

Air QualityFair

Max UV Index8.9 (Very High)

Wind Gusts10 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

92°
RealFeel® 96°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™89°

Heat Index88°

WindENE 8 mph

Air QualityFair

Max UV Index6.9 (High)

Wind Gusts13 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
RealFeel® 96°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™90°

Heat Index89°

WindE 8 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts13 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

92°
RealFeel® 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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™89°

Heat Index88°

WindE 8 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts12 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
RealFeel® 90°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™87°

Heat Index87°

WindESE 7 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts10 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
RealFeel® 86°
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
rain drop 5%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index84°

WindE 7 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts8 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

83°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™81°

Heat Index82°

WindSSE 7 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts8 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling26500 ft

9 PM

79°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

RealFeel Shade™76°

WindS 7 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling24700 ft

10 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

WindSSW 7 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling24700 ft

11 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

WindWSW 7 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity55%

Indoor Humidity55% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling24700 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 76° with a RealFeel® of 79°, sunny 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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