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Great Falls, MT

52°F
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Great Falls, MT Weather
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May 4 - May 18

Mon 5/4

56° /32°
49%
Cooler with a brief shower or two; cloudy this morning, then clouds and sunshine this afternoon

RealFeel®55°

RealFeel Shade™51°

Max UV Index3.0 (Moderate)

WindNNW 9 mph

Tue 5/5

49° /28°
84%
Times of clouds and sun with a couple of showers; chilly

RealFeel®48°

RealFeel Shade™41°

Max UV Index5.0 (Moderate)

WindN 10 mph

Wed 5/6

71° /50°
7%
Pleasant with times of clouds and sun

RealFeel®70°

RealFeel Shade™68°

Max UV Index8.0 (Very High)

WindWSW 9 mph

Thu 5/7

64° /43°
87%
Mostly cloudy and cooler; a couple of morning thundershowers followed by a thundershower in spots in the afternoon

RealFeel®63°

RealFeel Shade™60°

Max UV Index4.0 (Moderate)

WindWNW 14 mph

Fri 5/8

70° /46°
21%
Mostly cloudy

RealFeel®70°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindWSW 12 mph

Sat 5/9

55° /43°
66%
Mostly cloudy and cooler; occasional rain and drizzle in the afternoon

RealFeel®52°

RealFeel Shade™48°

Max UV Index4.0 (Moderate)

WindWNW 13 mph

Sun 5/10

71° /46°
14%
Warmer with increasing amounts of sun

RealFeel®71°

RealFeel Shade™68°

Max UV Index6.0 (High)

WindWSW 10 mph

Mon 5/11

71° /46°
0%
Periods of clouds and sunshine

RealFeel®71°

RealFeel Shade™66°

Max UV Index8.0 (Very High)

WindWSW 15 mph

Tue 5/12

67° /42°
1%
After a cloudy start, sunshine returns

RealFeel®67°

RealFeel Shade™63°

Max UV Index6.0 (High)

WindW 13 mph

Wed 5/13

64° /40°
68%
Considerable cloudiness with periods of rain in the afternoon

RealFeel®64°

RealFeel Shade™60°

Max UV Index8.0 (Very High)

WindNW 9 mph

Thu 5/14

74° /44°
0%
Plenty of sunshine

RealFeel®76°

RealFeel Shade™70°

Max UV Index8.0 (Very High)

WindWSW 12 mph

Fri 5/15

67° /42°
0%
Times of clouds and sun

RealFeel®70°

RealFeel Shade™64°

Max UV Index7.0 (High)

WindW 10 mph

Sat 5/16

66° /39°
1%
Mostly sunny

RealFeel®69°

RealFeel Shade™63°

Max UV Index8.0 (Very High)

WindW 10 mph

Sun 5/17

79° /50°
55%
Mostly cloudy and warmer; areas of drizzle in the morning followed by a shower in spots in the afternoon

RealFeel®77°

RealFeel Shade™75°

Max UV Index2.0 (Low)

WindSSW 8 mph

Mon 5/18

68° /41°
20%
Mostly sunny

RealFeel®67°

RealFeel Shade™64°

Max UV Index9.0 (Very High)

WindW 16 mph

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World North America United States Montana Great Falls

Weather Near Great Falls:

  • Havre, MT
  • Helena, MT
  • Lewistown, MT
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