Weather Alert
St. Mary Weather Warning NWS WEATHER ALERT FOR THE SAINT MARY, IL AREA - Issued: 726 AM CDT Sat Oct 31 2026 St. Mary Weather Warning

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St. Mary, IL Weather - Hour by Hour Forecast

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St. Mary, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 61°F16°C, dew point 49°F10°C, humidity 65%. Wind direction is E at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.29 in1025 mb.
Today - Cloudy with a 20% chance of showers. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph... Full Forecast
Tonight - Cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain 30%... Full Forecast

St. Mary Hourly Weather

24 Hour Forecast Scroll
Sat, Oct 31
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Noon
Sun, Nov 01
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St. Mary, IL Hourly Weather - Cloudy - 2:00 PM St. Mary, IL Hourly Weather - Cloudy - 3:00 PM St. Mary, IL Hourly Weather - Cloudy - 4:00 PM St. Mary, IL Hourly Weather - Cloudy - 5:00 PM St. Mary, IL Hourly Weather - Cloudy - 6:00 PM St. Mary, IL Hourly Weather - Cloudy - 7:00 PM St. Mary, IL Hourly Weather - Cloudy - 8:00 PM St. Mary, IL Hourly Weather - Cloudy - 9:00 PM St. Mary, IL Hourly Weather - Cloudy - 10:00 PM St. Mary, IL Hourly Weather - Cloudy - 11:00 PM St. Mary, IL Hourly Weather - Cloudy - 12:00 AM St. Mary, IL Hourly Weather - Cloudy - 1:00 AM St. Mary, IL Hourly Weather - Cloudy - 2:00 AM St. Mary, IL Hourly Weather - Cloudy - 3:00 AM St. Mary, IL Hourly Weather - Cloudy - 4:00 AM St. Mary, IL Hourly Weather - Cloudy - 5:00 AM St. Mary, IL Hourly Weather - Cloudy - 6:00 AM St. Mary, IL Hourly Weather - Cloudy - 7:00 AM St. Mary, IL Hourly Weather - Cloudy - 8:00 AM St. Mary, IL Hourly Weather - Cloudy - 9:00 AM St. Mary, IL Hourly Weather - Cloudy - 10:00 AM St. Mary, IL Hourly Weather - Cloudy - 11:00 AM St. Mary, IL Hourly Weather - Cloudy - 12:00 PM St. Mary, IL Hourly Weather - Cloudy - 1:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
64°F18°C 65°F18°C 65°F18°C 62°F17°C 59°F15°C 56°F13°C 54°F12°C 53°F12°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 50°F10°C 50°F10°C 50°F10°C 51°F11°C 51°F11°C 53°F12°C 56°F13°C 58°F14°C 59°F15°C 59°F15°C 60°F16°C
Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - Rain Rain Rain Rain Rain Rain
21% 21% 21% 21% 21% 21% 9% 9% 9% 9% 9% 9% 11% 11% 11% 11% 11% 11% 37% 37% 37% 37% 37% 37%
50°F10°C 49°F9°C 49°F9°C 49°F9°C 48°F9°C 48°F9°C 47°F8°C 46°F8°C 45°F7°C 45°F7°C 45°F7°C 45°F7°C 46°F8°C 46°F8°C 47°F8°C 47°F8°C 48°F9°C 48°F9°C 49°F9°C 51°F11°C 52°F11°C 52°F11°C 53°F12°C 53°F12°C
60% 56% 56% 62% 67% 74% 77% 77% 80% 80% 80% 80% 83% 86% 89% 89% 89% 89% 86% 83% 80% 78% 80% 78%
E ENE ENE ENE ENE ENE E E E E E E E E E E E E ESE ESE SE SE SE SE
4 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 8 mph 8 mph 8 mph 8 mph 8 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMQB model statistics.

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Prob Precip % = Probability of Precipitation.

St. Mary 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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