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Sidney, MT

81°F
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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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Today

Hourly

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

View hourly forecasts 10-days ahead

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11 AM

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 34%
Chevron down
Partly sunny

RealFeel Shade™88°

Heat Index89°

WindSE 15 mph

Air QualityFair

Max UV Index6.3 (High)

Wind Gusts23 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

95°
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 34%
Chevron down
Partly sunny
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™90°

Heat Index91°

WindSE 17 mph

Air QualityFair

Max UV Index8.0 (Very High)

Wind Gusts28 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

97°
RealFeel® 98°
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 29%
Chevron down
Partly sunny
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™93°

Heat Index93°

WindSE 18 mph

Air QualityFair

Max UV Index8.7 (Very High)

Wind Gusts30 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

97°
RealFeel® 97°
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 20%
Chevron down
Partly sunny
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™92°

Heat Index93°

WindESE 21 mph

Air QualityFair

Max UV Index8.0 (Very High)

Wind Gusts35 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

96°
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 20%
Chevron down
Partly sunny
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™91°

Heat Index92°

WindESE 21 mph

Air QualityFair

Max UV Index6.3 (High)

Wind Gusts37 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

95°
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 20%
Chevron down
Partly sunny
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™91°

Heat Index92°

WindESE 21 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts37 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

94°
RealFeel® 92°
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 20%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™90°

Heat Index91°

WindESE 20 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts36 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
RealFeel® 89°
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
Intermittent clouds
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™87°

Heat Index89°

WindESE 18 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts35 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

89°
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 13%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™85°

Heat Index86°

WindESE 17 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts31 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
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 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

12:00 PM Tuesday - 9:00 PM Tuesday
alerts

Heat Advisory

12:00 PM Tuesday - 9:00 PM Tuesday

RealFeel Shade™84°

Heat Index84°

WindESE 13 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts24 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover27%

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 0%
Chevron down
Mostly clear

Heat Index81°

WindESE 12 mph

Air QualityFair

Wind Gusts20 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

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

WindESE 12 mph

Air QualityFair

Wind Gusts17 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindESE 12 mph

Air QualityFair

Wind Gusts15 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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 92° with a RealFeel® of 93°, partly sunny 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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