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Next week to bring another uptick in temps, humidity in the Northeast. Get the forecast. Chevron right

Sidney, MT

67°F
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Sidney

Montana

67°
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Sidney, MT Weather
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Chevron right

2 AM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Thunderstorms

WindNNE 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity75%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling20000 ft

3 AM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 45%
Chevron down
Mostly cloudy

WindN 10 mph

Air QualityFair

Wind Gusts12 mph

Humidity83%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling24400 ft

4 AM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 44%
Chevron down
Cloudy

WindN 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity91%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling26200 ft

5 AM

62°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™60°

WindN 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts10 mph

Humidity93%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling28100 ft

6 AM

63°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 57%
Chevron down
Thunderstorms

RealFeel Shade™60°

WindN 6 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts9 mph

Humidity88%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

7 AM

66°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 57%
Chevron down
Thunderstorms

RealFeel Shade™61°

WindN 7 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts9 mph

Humidity83%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

8 AM

68°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™63°

WindNNW 9 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts10 mph

Humidity78%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

9 AM

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

RealFeel Shade™68°

WindNNW 12 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts13 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling18800 ft

10 AM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™71°

WindNNW 12 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts13 mph

Humidity66%

Indoor Humidity66% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling22500 ft

11 AM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindNW 10 mph

Air QualityFair

Max UV Index6.0 (High)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling26300 ft

12 PM

78°
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 34%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindNW 10 mph

Air QualityFair

Max UV Index7.8 (Very High)

Wind Gusts13 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

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 34%
Chevron down
Intermittent clouds

RealFeel Shade™77°

Heat Index81°

WindWNW 12 mph

Air QualityFair

Max UV Index8.2 (Very High)

Wind Gusts16 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

81°
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 34%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index82°

WindWNW 13 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts16 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

82°
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 34%
Chevron down
Intermittent clouds

RealFeel Shade™79°

Heat Index83°

WindWNW 14 mph

Air QualityFair

Max UV Index5.7 (High)

Wind Gusts15 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index82°

WindW 14 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts20 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

5 PM

79°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 56%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™72°

WindWNW 14 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts24 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 48%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™72°

WindWNW 15 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts28 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7000 ft

7 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 48%
Chevron down
Intermittent clouds

RealFeel Shade™71°

WindWNW 15 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts32 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

8 PM

68°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

RealFeel Shade™61°

WindWNW 17 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts37 mph

Humidity61%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Rain0.05 in

Visibility5 mi

Cloud Ceiling14700 ft

9 PM

64°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

WindWNW 17 mph

Air QualityFair

Wind Gusts38 mph

Humidity68%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Rain0.05 in

Visibility5 mi

Cloud Ceiling14700 ft

10 PM

61°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

WindWNW 18 mph

Air QualityFair

Wind Gusts33 mph

Humidity68%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

WindWNW 16 mph

Air QualityFair

Wind Gusts29 mph

Humidity66%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover58%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Sidney

AccuWeather's hourly forecast for Sidney provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 66° with a RealFeel® of 62°, thunderstorms with a 49% 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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