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Severe weather season begins soon. Here's where tornadoes could strike this spring. Chevron right

St Mary, MT

32°F
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St Mary

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St Mary, MT Weather
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February 26 - March 27

Thu 2/26

37° /32°
65%
Very windy this evening; cloudy most of the time with a couple of flurries this evening followed by a shower in spots late
alerts

High Wind Warning

12:00 AM Thursday - 11:00 AM Friday
alerts

Winter Weather Advisory

11:00 PM Thursday - 2:00 AM Saturday

RealFeel®10°

Cloud Cover83%

WindWSW 23 mph

Wind Gusts45 mph

Fri 2/27

37° /23°
88%

WinterCast

An inch or two

Fri, 2/27, 10:00 AM - Sat, 2/28, 4:00 AM

Snow
Intermittent snow and flurries, accumulating a coating to an inch
alerts

High Wind Warning

12:00 AM Thursday - 11:00 AM Friday
alerts

Winter Weather Advisory

11:00 PM Thursday - 2:00 AM Saturday

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindW 13 mph

Sat 2/28

33° /22°
16%
Low clouds

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindENE 6 mph

Sun 3/1

47° /31°
2%
Sunny

RealFeel®43°

RealFeel Shade™41°

Max UV Index3.0 (Moderate)

WindWSW 7 mph

Mon 3/2

45° /31°
4%
Mostly sunny

RealFeel®45°

RealFeel Shade™41°

Max UV Index3.0 (Moderate)

WindWSW 7 mph

Tue 3/3

50° /32°
7%
A blend of sun and clouds

RealFeel®46°

RealFeel Shade™44°

Max UV Index3.0 (Moderate)

WindWSW 8 mph

Wed 3/4

40° /32°
21%
Mostly cloudy and cooler

RealFeel®36°

RealFeel Shade™36°

Max UV Index2.0 (Low)

WindWSW 7 mph

Thu 3/5

44° /35°
3%
Partial sunshine

RealFeel®40°

RealFeel Shade™37°

Max UV Index3.0 (Moderate)

WindWSW 9 mph

Fri 3/6

43° /30°
43%
Considerable cloudiness with a flurry in the afternoon

RealFeel®36°

RealFeel Shade™36°

Max UV Index1.0 (Low)

WindWSW 13 mph

Sat 3/7

40° /23°
70%
Cloudy with periods of snow

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindWSW 10 mph

Sun 3/8

36° /26°
55%
Cloudy with a couple of flurries in the afternoon

RealFeel®26°

RealFeel Shade™26°

Max UV Index2.0 (Low)

WindWSW 12 mph

Mon 3/9

33° /21°
43%
A stray morning flurry; otherwise, times of clouds and sun

RealFeel®29°

RealFeel Shade™26°

Max UV Index3.0 (Moderate)

WindWSW 9 mph

Tue 3/10

38° /30°
41%
Cloudy with a stray flurry in the afternoon

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindWSW 8 mph

Wed 3/11

30° /7°
57%
Cloudy and colder; a bit of morning snow followed by snow showers in the afternoon

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindWSW 12 mph

Thu 3/12

33° /20°
25%
Mostly cloudy

RealFeel®32°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindSW 6 mph

Fri 3/13

34° /23°
25%
Mostly cloudy

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindSW 12 mph

Sat 3/14

36° /19°
72%
Periods of snow mixing with rain

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindW 5 mph

Sun 3/15

33° /15°
20%
Intervals of clouds and sunshine

RealFeel®30°

RealFeel Shade™27°

Max UV Index3.0 (Moderate)

WindSW 6 mph

Mon 3/16

37° /25°
25%
Considerable cloudiness

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindWSW 13 mph

Tue 3/17

41° /26°
75%
Cloudy; a shower in spots in the morning followed by a mix of snow and rain in the afternoon

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSW 13 mph

Wed 3/18

43° /24°
25%
Times of clouds and sun

RealFeel®39°

RealFeel Shade™37°

Max UV Index3.0 (Moderate)

WindWSW 12 mph

Thu 3/19

33° /18°
75%
Cloudy with a mix of snow and rain in the afternoon

RealFeel®41°

RealFeel Shade™40°

Max UV Index2.0 (Low)

Wind0 mph

Fri 3/20

32° /14°
25%
Clouds yielding to sun

RealFeel®40°

RealFeel Shade™34°

Max UV Index2.0 (Low)

WindSW 2 mph

Sat 3/21

33° /19°
25%
Cloudy

RealFeel®30°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindWSW 8 mph

Sun 3/22

36° /26°
67%
Cloudy; a flurry in the morning followed by periods of snow and rain in the afternoon

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindSW 9 mph

Mon 3/23

41° /19°
75%
Cloudy with rain and snow at times becoming all rain

RealFeel®41°

RealFeel Shade™39°

Max UV Index1.0 (Low)

WindSW 5 mph

Tue 3/24

34° /17°
56%
Cloudy with a little snow

RealFeel®39°

RealFeel Shade™39°

Max UV Index1.0 (Low)

WindSSE 1 mph

Wed 3/25

34° /22°
55%
A thick cloud cover with a little snow

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindWSW 13 mph

Thu 3/26

35° /27°
75%
Considerable cloudiness; a bit of morning snow followed by a mix of snow and rain in the afternoon

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindSW 12 mph

Fri 3/27

41° /24°
25%
Cloudy

RealFeel®43°

RealFeel Shade™42°

Max UV Index2.0 (Low)

WindW 6 mph

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World North America United States Montana St Mary

Weather Near St Mary:

  • Great Falls, MT
  • Havre, MT
  • Lewistown, MT
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