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Severe weather outbreak looms for Midwest. See the details.

Tropical rainstorm to strengthen into Tropical Storm Arthur. See where it’s headed.

Sidney, MT

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Sidney, 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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2 PM

83°

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.

34%

Cloudy

RealFeel Shade™79°

Heat Index81°

WindNW 17 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts22 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling16000 ft

3 PM

83°

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.

34%

Cloudy

RealFeel Shade™79°

Heat Index81°

WindWNW 15 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts20 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling14700 ft

4 PM

84°

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.

39%

Mostly cloudy

RealFeel Shade™80°

Heat Index82°

WindNW 16 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts22 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling15900 ft

5 PM

81°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Intermittent clouds

RealFeel Shade™77°

Heat Index80°

WindNNW 15 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts23 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling17200 ft

6 PM

77°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Intermittent clouds

RealFeel Shade™73°

WindN 15 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts22 mph

Humidity44%

Indoor Humidity44% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18400 ft

7 PM

72°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

61%

Mostly cloudy w/ showers

RealFeel Shade™67°

WindN 13 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts18 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.10 in

Visibility5 mi

Cloud Ceiling4000 ft

8 PM

72°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

56%

Thunderstorms

RealFeel Shade™66°

WindNW 9 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts14 mph

Humidity56%

Indoor Humidity56% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.08 in

Visibility5 mi

Cloud Ceiling4000 ft

9 PM

68°

RealFeel® 64°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

48%

Thunderstorms

WindNNW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity64%

Indoor Humidity64% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling2000 ft

10 PM

65°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

48%

Cloudy

WindNNW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity69%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling8800 ft

11 PM

63°

RealFeel® 57°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

51%

Thunderstorms

WindNNW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity73%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.08 in

Visibility5 mi

Cloud Ceiling4000 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 83° with a RealFeel® of 82°, cloudy with a 34% 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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