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South Yellowstone, MT

64°F
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South Yellowstone

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64°
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South Yellowstone, MT Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

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

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8 AM

67°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™64°

WindNNE 6 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts7 mph

Humidity52%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling33300 ft

9 AM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™69°

WindNNE 6 mph

Air QualityExcellent

Max UV Index2.6 (Moderate)

Wind Gusts7 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling19000 ft

10 AM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™74°

WindNNE 7 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts8 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling22700 ft

11 AM

80°
RealFeel® 84°
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 20%
Chevron down
Mostly cloudy

RealFeel Shade™78°

Heat Index80°

WindENE 7 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts8 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling26300 ft

12 PM

84°
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.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™81°

Heat Index82°

WindENE 8 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts9 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

86°
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 25%
Chevron down
Cloudy

RealFeel Shade™83°

Heat Index84°

WindE 8 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts9 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

88°
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 43%
Chevron down
Cloudy

RealFeel Shade™85°

Heat Index85°

WindESE 8 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts10 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°
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 47%
Chevron down
Cloudy

RealFeel Shade™86°

Heat Index86°

WindESE 9 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts15 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

90°
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.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™85°

Heat Index87°

WindESE 9 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts16 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover81%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

5 PM

91°
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 24%
Chevron down
Intermittent clouds

RealFeel Shade™88°

Heat Index88°

WindESE 9 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts18 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover71%

Visibility10 mi

Cloud Ceiling30000 ft

6 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.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™86°

Heat Index86°

WindESE 9 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts18 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
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 15%
Chevron down
Intermittent clouds

RealFeel Shade™84°

Heat Index84°

WindESE 9 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts17 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
RealFeel® 83°
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 6%
Chevron down
Intermittent clouds

RealFeel Shade™83°

Heat Index83°

WindSE 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts14 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

82°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

Heat Index81°

WindSSW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity34%

Indoor Humidity34% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

78°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

WindSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Partly cloudy

WindSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover41%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for South Yellowstone

AccuWeather's hourly forecast for South Yellowstone provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 67° with a RealFeel® of 68°, partly sunny with a 20% 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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World North America United States Montana South Yellowstone

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