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Atlantic hurricane season is here, but when will the 1st storm form? Get the forecast Chevron right

Roundup, MT

56°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 AM

55°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 24%
Chevron down
Mostly cloudy

RealFeel Shade™47°

WindW 15 mph

Air QualityExcellent

Max UV Index2.6 (Moderate)

Wind Gusts18 mph

Humidity58%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling12900 ft

11 AM

56°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™49°

WindWSW 16 mph

Air QualityExcellent

Max UV Index2.3 (Low)

Wind Gusts18 mph

Humidity56%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling8900 ft

12 PM

60°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™54°

WindWSW 15 mph

Air QualityExcellent

Max UV Index3.0 (Moderate)

Wind Gusts20 mph

Humidity51%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling8900 ft

1 PM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

RealFeel Shade™58°

WindWSW 15 mph

Air QualityExcellent

Max UV Index3.3 (Moderate)

Wind Gusts22 mph

Humidity46%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling9200 ft

2 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

RealFeel Shade™60°

WindW 15 mph

Air QualityExcellent

Max UV Index3.0 (Moderate)

Wind Gusts24 mph

Humidity43%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9400 ft

3 PM

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

RealFeel Shade™62°

WindW 15 mph

Air QualityExcellent

Max UV Index2.4 (Low)

Wind Gusts25 mph

Humidity41%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9700 ft

4 PM

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

RealFeel Shade™62°

WindW 14 mph

Air QualityExcellent

Max UV Index1.8 (Low)

Wind Gusts24 mph

Humidity41%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling12500 ft

5 PM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

RealFeel Shade™63°

WindWNW 13 mph

Air QualityExcellent

Max UV Index1.4 (Low)

Wind Gusts22 mph

Humidity40%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling15300 ft

6 PM

64°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

RealFeel Shade™62°

WindNW 12 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts20 mph

Humidity42%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling18100 ft

7 PM

63°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

RealFeel Shade™60°

WindNNW 12 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts13 mph

Humidity44%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling18100 ft

8 PM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™62°

WindN 10 mph

Air QualityExcellent

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity45%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling18100 ft

9 PM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNNE 9 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity52%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling18100 ft

10 PM

58°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindNE 8 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity58%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling15300 ft

11 PM

56°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindENE 6 mph

Air QualityExcellent

Wind Gusts8 mph

Humidity64%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling12500 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 55° with a RealFeel® of 51°, mostly cloudy with a 24% 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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