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Sidney, MT

64°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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July 28 - August 11

Tue 7/28

98° /65°
1%
Partly sunny and very warm

RealFeel®101°

RealFeel Shade™95°

Max UV Index8.0 (Very High)

WindSSW 6 mph

Wed 7/29

105° /66°
55%
A strong p.m. t-storm; extreme heat can be dangerous in the morning, thunderstorms can bring flash flooding and localized damaging wind gusts in the afternoon

RealFeel®108°

RealFeel Shade™101°

Max UV Index8.0 (Very High)

WindS 9 mph

Hours of Precipitation1

Hours of Rain1

Thu 7/30

93° /63°
25%
Sunny to partly cloudy and not as hot

RealFeel®95°

RealFeel Shade™90°

Max UV Index8.0 (Very High)

WindE 8 mph

Fri 7/31

98° /63°
55%
Widely separated thunderstorms in the morning; otherwise, partial sunshine

RealFeel®99°

RealFeel Shade™95°

Max UV Index8.0 (Very High)

WindSE 9 mph

Hours of Precipitation1

Hours of Rain1

Sat 8/1

103° /68°
2%
Sunshine; the temperature breaking the record of 102 set in 2008, less humid; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®103°

RealFeel Shade™100°

Max UV Index8.0 (Very High)

WindSE 9 mph

Sun 8/2

101° /57°
6%
Scorching sunshine; hot with the temperature approaching the record high of 102 set in 2024 with low humidity, becoming breezy in the afternoon

RealFeel®101°

RealFeel Shade™98°

Max UV Index8.0 (Very High)

WindWSW 13 mph

Mon 8/3

84° /52°
60%
Windy and not as hot with considerable cloudiness; occasional afternoon rain and a thunderstorm

RealFeel®82°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindNW 18 mph

Hours of Precipitation1

Hours of Rain1

Tue 8/4

85° /56°
1%
Mostly sunny

RealFeel®85°

RealFeel Shade™82°

Max UV Index8.0 (Very High)

WindSE 8 mph

Wed 8/5

87° /57°
6%
Variable cloudiness

RealFeel®86°

RealFeel Shade™84°

Max UV Index4.0 (Moderate)

WindN 9 mph

Thu 8/6

88° /59°
0%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™85°

Max UV Index7.0 (High)

WindENE 8 mph

Fri 8/7

90° /58°
55%
Partly sunny with a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™87°

Max UV Index7.0 (High)

WindE 8 mph

Hours of Precipitation0.5

Hours of Rain0.5

Sat 8/8

89° /59°
0%
Plenty of sunlight

RealFeel®90°

RealFeel Shade™86°

Max UV Index7.0 (High)

WindWNW 9 mph

Sun 8/9

87° /56°
55%
Mostly cloudy with a bit of rain in the afternoon

RealFeel®86°

RealFeel Shade™84°

Max UV Index7.0 (High)

WindN 9 mph

Hours of Precipitation1

Hours of Rain1

Mon 8/10

90° /60°
25%
Mostly cloudy

RealFeel®90°

RealFeel Shade™89°

Max UV Index2.0 (Low)

WindNE 5 mph

Tue 8/11

87° /61°
25%
Turning cloudy

RealFeel®85°

RealFeel Shade™85°

Max UV Index5.0 (Moderate)

WindNW 7 mph

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World North America United States Montana Sidney

Weather Near Sidney:

  • Bismarck, ND
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