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St Mary, MT Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today WinterCast

Hourly

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

View hourly forecasts 10-days ahead

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WinterCast

1 - 3 in

Wed, 4/22, 9:00 PM - Fri, 4/24, 4:00 AM

Snow

1 PM

53°

RealFeel® 49°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

10%

Cloudy

RealFeel Shade™46°

WindN 12 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts24 mph

Humidity52%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling4900 ft

2 PM

50°

RealFeel® 40°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

66%

Thunderstorms

RealFeel Shade™40°

WindN 12 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts24 mph

Humidity72%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.32 in

Visibility2 mi

Cloud Ceiling2000 ft

3 PM

48°

RealFeel® 42°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

49%

Cloudy

RealFeel Shade™40°

WindN 12 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts24 mph

Humidity78%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2400 ft

4 PM

45°

RealFeel® 38°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

49%

Cloudy

RealFeel Shade™38°

WindN 12 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts22 mph

Humidity83%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

5 PM

42°

RealFeel® 35°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

49%

Cloudy

RealFeel Shade™35°

WindNNW 10 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts18 mph

Humidity84%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

6 PM

39°

RealFeel® 32°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

49%

Cloudy

Winter Weather Advisory

6:00 PM Wednesday - 6:00 PM Thursday

RealFeel Shade™32°

WindNNW 10 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts15 mph

Humidity90%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1200 ft

7 PM

37°

RealFeel® 24°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

61%

Thunderstorms

Winter Weather Advisory

6:00 PM Wednesday - 6:00 PM Thursday

RealFeel Shade™24°

WindNNW 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts16 mph

Humidity94%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.32 in

Visibility2 mi

Cloud Ceiling900 ft

8 PM

39°

RealFeel® 31°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

49%

Cloudy

Winter Weather Advisory

6:00 PM Wednesday - 6:00 PM Thursday

RealFeel Shade™31°

WindNNW 10 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts16 mph

Humidity84%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling600 ft

9 PM

36°

RealFeel® 26°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

63%

Flurries

Winter Weather Advisory

6:00 PM Wednesday - 6:00 PM Thursday

WindNNW 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity91%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.08 in

Visibility5 mi

Cloud Ceiling800 ft

10 PM

34°

RealFeel® 24°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

55%

Flurries

Winter Weather Advisory

6:00 PM Wednesday - 6:00 PM Thursday

WindNNW 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity97%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility5 mi

Cloud Ceiling900 ft

11 PM

33°

RealFeel® 22°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

68%

Rain and snow

Winter Weather Advisory

6:00 PM Wednesday - 6:00 PM Thursday

WindNNW 9 mph

Air QualityFair

Wind Gusts15 mph

Humidity96%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Snow0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

Hourly Weather Forecast for Saint Mary

AccuWeather's hourly forecast for Saint Mary provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 53° with a RealFeel® of 49°, cloudy with a 10% 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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