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Current weather in St. Anne is clear sky.

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Is the weather forecast for St. Anne updated regularly?

Weather data for St. Anne is updated regularly with the latest available observations and forecasts.

Now · 11:02 AM

St. Anne Weather & Hourly Forecast

United States · Illinois · 60964

88°F

Sunny

Feels like: 96°F

💧 Humidity 63% 🌡 Pressure 29.94 inHg 💨 Wind 12 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 5.9 · Moderate 🌅 Sunrise 6:20 AM 🌇 Sunset 7:19 PM

Hourly Forecast for St. Anne

Today

12:00 PM

Sunny

88° 💧 None 💨 12 mph H 63%29.94 inHg

3:00 PM

Sunny

92° 💧 None 💨 12 mph H 52%29.88 inHg

6:00 PM

Partly cloudy

91° 💧 None 💨 6 mph H 58%29.85 inHg

9:00 PM

Overcast night

81° 💧 None 💨 1 mph H 76%29.88 inHg

Tomorrow

12:00 AM

Mostly cloudy night

78° 💧 None 💨 6 mph H 73%29.88 inHg

3:00 AM

Moderate rain

72° 💧 0.31 in 💨 15 mph H 90%29.91 inHg

6:00 AM

Light rain

71° 💧 0.05 in 💨 5 mph H 88%29.85 inHg

9:00 AM

Light rain

80° 💧 0.03 in 💨 5 mph H 86%29.91 inHg

12:00 PM

Mostly cloudy

86° 💧 None 💨 10 mph H 64%29.91 inHg

3:00 PM

Sunny

87° 💧 None 💨 13 mph H 63%29.91 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 14 mph H 77%29.91 inHg

9:00 PM

Overcast night

72° 💧 None 💨 10 mph H 74%29.97 inHg

Sunday

12:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 91%30.00 inHg

3:00 AM

Clear night

66° 💧 None 💨 8 mph H 93%30.00 inHg

6:00 AM

Clear night

63° 💧 None 💨 7 mph H 94%30.03 inHg

9:00 AM

Sunny

69° 💧 None 💨 10 mph H 59%30.09 inHg

Today

12:00 PM

Sunny

88° 💧 None 💨 12 mph H 63%29.94 inHg

1:00 PM

Sunny

88° 💧 None 💨 12 mph H 60%29.94 inHg

2:00 PM

Sunny

90° 💧 None 💨 12 mph H 56%29.91 inHg

3:00 PM

Sunny

92° 💧 None 💨 12 mph H 52%29.88 inHg

4:00 PM

Sunny

94° 💧 None 💨 11 mph H 49%29.88 inHg

5:00 PM

Mostly sunny

95° 💧 None 💨 10 mph H 47%29.85 inHg

6:00 PM

Partly cloudy

91° 💧 None 💨 6 mph H 58%29.85 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 4 mph H 70%29.85 inHg

8:00 PM

Overcast night

83° 💧 None 💨 2 mph H 75%29.88 inHg

9:00 PM

Overcast night

81° 💧 None 💨 1 mph H 76%29.88 inHg

10:00 PM

Mostly cloudy night

80° 💧 None 💨 5 mph H 75%29.88 inHg

11:00 PM

Mostly cloudy night

79° 💧 None 💨 5 mph H 75%29.88 inHg

Tomorrow

12:00 AM

Mostly cloudy night

78° 💧 None 💨 6 mph H 73%29.88 inHg

1:00 AM

Mostly cloudy night

76° 💧 None 💨 7 mph H 73%29.85 inHg

2:00 AM

Clear night

74° 💧 None 💨 7 mph H 75%29.85 inHg

3:00 AM

Moderate rain

72° 💧 0.12 in 💨 15 mph H 90%29.91 inHg

4:00 AM

Heavy rain

71° 💧 0.17 in 💨 6 mph H 91%29.88 inHg

5:00 AM

Light rain

72° 💧 0.02 in 💨 6 mph H 86%29.85 inHg

6:00 AM

Light rain

71° 💧 0.01 in 💨 5 mph H 88%29.85 inHg

7:00 AM

Light rain

73° 💧 0.01 in 💨 4 mph H 88%29.88 inHg

8:00 AM

Light rain

77° 💧 0.04 in 💨 5 mph H 88%29.88 inHg

9:00 AM

Light rain

80° 💧 0.02 in 💨 5 mph H 86%29.91 inHg

10:00 AM

Light rain

83° 💧 0.00 in 💨 7 mph H 81%29.91 inHg

11:00 AM

Mostly cloudy

85° 💧 None 💨 9 mph H 71%29.91 inHg

12:00 PM

Mostly cloudy

86° 💧 None 💨 10 mph H 64%29.91 inHg

1:00 PM

Partly cloudy

87° 💧 None 💨 10 mph H 61%29.91 inHg

2:00 PM

Sunny

88° 💧 None 💨 11 mph H 61%29.91 inHg

3:00 PM

Sunny

87° 💧 None 💨 13 mph H 63%29.91 inHg

4:00 PM

Mostly sunny

86° 💧 None 💨 13 mph H 67%29.91 inHg

5:00 PM

Mostly sunny

84° 💧 None 💨 13 mph H 71%29.91 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 14 mph H 77%29.91 inHg

7:00 PM

Partly cloudy

76° 💧 None 💨 12 mph H 80%29.94 inHg

8:00 PM

Overcast night

74° 💧 None 💨 11 mph H 76%29.94 inHg

9:00 PM

Overcast night

72° 💧 None 💨 10 mph H 74%29.97 inHg

10:00 PM

Overcast night

71° 💧 None 💨 9 mph H 74%29.97 inHg

11:00 PM

Mostly cloudy night

68° 💧 None 💨 8 mph H 83%30.00 inHg

Sunday

12:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 91%30.00 inHg

1:00 AM

Mostly cloudy night

65° 💧 None 💨 7 mph H 92%30.00 inHg

2:00 AM

Clear night

66° 💧 None 💨 8 mph H 92%30.00 inHg

3:00 AM

Clear night

66° 💧 None 💨 8 mph H 93%30.00 inHg

4:00 AM

Clear night

65° 💧 None 💨 8 mph H 92%30.00 inHg

5:00 AM

Clear night

64° 💧 None 💨 7 mph H 94%30.03 inHg

6:00 AM

Clear night

63° 💧 None 💨 7 mph H 94%30.03 inHg

7:00 AM

Sunny

63° 💧 None 💨 7 mph H 90%30.06 inHg

8:00 AM

Sunny

66° 💧 None 💨 9 mph H 77%30.09 inHg

9:00 AM

Sunny

69° 💧 None 💨 10 mph H 59%30.09 inHg

10:00 AM

Sunny

72° 💧 None 💨 11 mph H 51%30.09 inHg

11:00 AM

Sunny

74° 💧 None 💨 11 mph H 47%30.12 inHg

12:00 PM

Sunny

76° 💧 None 💨 11 mph H 46%30.09 inHg

1:00 PM

Sunny

78° 💧 None 💨 11 mph H 45%30.09 inHg

2:00 PM

Partly cloudy

79° 💧 None 💨 11 mph H 45%30.09 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 11 mph H 45%30.06 inHg

4:00 PM

Mostly sunny

78° 💧 None 💨 11 mph H 47%30.06 inHg

5:00 PM

Mostly sunny

77° 💧 None 💨 11 mph H 51%30.06 inHg

6:00 PM

Mostly sunny

74° 💧 None 💨 9 mph H 60%30.06 inHg

7:00 PM

Mostly sunny

69° 💧 None 💨 8 mph H 72%30.06 inHg

8:00 PM

Clear night

66° 💧 None 💨 8 mph H 80%30.06 inHg

9:00 PM

Clear night

64° 💧 None 💨 8 mph H 84%30.09 inHg

10:00 PM

Clear night

62° 💧 None 💨 7 mph H 85%30.09 inHg

11:00 PM

Partly cloudy night

62° 💧 None 💨 7 mph H 85%30.09 inHg

Monday

12:00 AM

Mostly clear night

61° 💧 None 💨 7 mph H 87%30.09 inHg

1:00 AM

Partly cloudy night

61° 💧 None 💨 7 mph H 90%30.09 inHg

2:00 AM

Clear night

60° 💧 None 💨 7 mph H 90%30.12 inHg

3:00 AM

Clear night

59° 💧 None 💨 7 mph H 93%30.15 inHg

4:00 AM

Clear night

58° 💧 None 💨 7 mph H 93%30.15 inHg

5:00 AM

Clear night

57° 💧 None 💨 7 mph H 93%30.15 inHg

6:00 AM

Mostly clear night

56° 💧 None 💨 7 mph H 94%30.15 inHg

7:00 AM

Mostly sunny

57° 💧 None 💨 7 mph H 91%30.15 inHg

8:00 AM

Sunny

62° 💧 None 💨 8 mph H 79%30.18 inHg

9:00 AM

Sunny

66° 💧 None 💨 10 mph H 67%30.18 inHg

10:00 AM

Sunny

70° 💧 None 💨 11 mph H 58%30.18 inHg

11:00 AM

Sunny

74° 💧 None 💨 9 mph H 51%30.15 inHg

12:00 PM

Sunny

76° 💧 None 💨 9 mph H 46%30.12 inHg

1:00 PM

Sunny

78° 💧 None 💨 10 mph H 43%30.12 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 10 mph H 41%30.09 inHg

3:00 PM

Mostly cloudy

81° 💧 None 💨 8 mph H 41%30.09 inHg

4:00 PM

Mostly cloudy

80° 💧 None 💨 8 mph H 42%30.09 inHg

5:00 PM

Partly cloudy

79° 💧 None 💨 9 mph H 45%30.09 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 8 mph H 56%30.09 inHg

7:00 PM

Mostly cloudy

70° 💧 None 💨 7 mph H 70%30.09 inHg

8:00 PM

Mostly cloudy night

67° 💧 None 💨 7 mph H 79%30.12 inHg

9:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 84%30.12 inHg

10:00 PM

Overcast night

64° 💧 None 💨 8 mph H 88%30.12 inHg

11:00 PM

Overcast night

64° 💧 None 💨 7 mph H 92%30.09 inHg

Tuesday

12:00 AM

Overcast night

63° 💧 None 💨 7 mph H 94%30.09 inHg

1:00 AM

Mostly cloudy night

63° 💧 None 💨 7 mph H 95%30.09 inHg

2:00 AM

Overcast night

62° 💧 None 💨 7 mph H 95%30.09 inHg

3:00 AM

Overcast night

62° 💧 None 💨 7 mph H 95%30.09 inHg

4:00 AM

Overcast night

62° 💧 None 💨 6 mph H 95%30.09 inHg

5:00 AM

Overcast night

62° 💧 None 💨 5 mph H 94%30.09 inHg

6:00 AM

Overcast night

62° 💧 None 💨 6 mph H 94%30.09 inHg

7:00 AM

Overcast

62° 💧 None 💨 5 mph H 93%30.09 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 84%30.09 inHg

9:00 AM

Mostly sunny

73° 💧 None 💨 8 mph H 71%30.09 inHg

10:00 AM

Mostly sunny

77° 💧 None 💨 10 mph H 61%30.09 inHg

11:00 AM

Mostly sunny

81° 💧 None 💨 10 mph H 53%30.09 inHg

In St. Anne and, more broadly, across the state of Illinois: The rest of the day will be mostly sunny with just a few clouds scattered across the sky. Expect very hot conditions, with temperatures climbing between 81 and 96 degrees Fahrenheit. Winds will remain light from the west, with maximum sustained speeds around 9 mph and occasional gusts reaching 16 mph. No precipitation is expected, so it should stay dry throughout the afternoon. Remember to stay hydrated and take precautions against the heat if you'll be outdoors. The weather will remain stable with clear skies and gentle breezes into the evening hours.

15-Day Weather Outlook for St. Anne

TomorrowTomorrow

Heavy rain 88°/68° 💧 0.39 in 💨 15 mph

Sunday, Sep 6Sun Sep 6

Sunny 79°/62° 💧 None 💨 11 mph

Monday, Sep 7Mon Sep 7

Sunny 80°/56° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Sunny 88°/62° 💧 None 💨 14 mph

Wednesday, Sep 9Wed Sep 9

Light rain 88°/66° 💧 0.00 in 💨 17 mph

Thursday, Sep 10Thu Sep 10

Overcast 75°/58° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Light rain 65°/57° 💧 0.01 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Light rain 72°/57° 💧 0.02 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Light rain 81°/63° 💧 0.01 in 💨 16 mph

Monday, Sep 14Mon Sep 14

Sunny 71°/47° 💧 None 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Light rain 73°/45° 💧 0.01 in 💨 14 mph

Wednesday, Sep 16Wed Sep 16

Light rain 80°/60° 💧 0.04 in 💨 14 mph

Thursday, Sep 17Thu Sep 17

Light rain 79°/64° 💧 0.00 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Sunny 67°/49° 💧 None 💨 14 mph

Saturday, Sep 19Sat Sep 19

Overcast 69°/50° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Anne

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Anne

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Good 6,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 7,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 86,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. Anne

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,7High 🙂Fair

Tomorrow UV 7,4High 🙂Fair

Sunday UV 7,5High 🙂Fair

Monday UV 7,0High 🙂Fair

Tuesday UV 8,0Very high 🙂Fair

Wednesday UV 8,0Very high —Unavailable

Thursday UV 5,0Moderate —Unavailable

Hourly UV index today

12:00 PMUV 7,4 1:00 PMUV 7,7 2:00 PMUV 7,0 3:00 PMUV 5,3 4:00 PMUV 3,2 5:00 PMUV 1,5 6:00 PMUV 0,5 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for St. Anne

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.73 Population: 1,104

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Forecast data for St. Anne were last refreshed today at 11:02 AM. The current forecast period extends through 06/09/2026 at 9:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.