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Current weather in Blue Mound is few clouds.

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Weather data for Blue Mound is updated regularly with the latest available observations and forecasts.

Now · 10:43 PM

Blue Mound Weather & Hourly Forecast

United States · Illinois · 62513

73°F

Mostly clear night

Feels like: 78°F

💧 Humidity 88% 🌡 Pressure 30.03 inHg 💨 Wind 4 mph 👁 Visibility 14.1 mi ☁ Clouds 29% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Blue Mound

Today

11:00 PM

Mostly clear night

72° 💧 None 💨 4 mph H 91%30.03 inHg

Tomorrow

2:00 AM

Light rain

71° 💧 0.134 in 💨 5 mph H 93%30.03 inHg

5:00 AM

Light rain

71° 💧 0.167 in 💨 2 mph H 97%29.97 inHg

8:00 AM

Light rain

71° 💧 0.327 in 💨 1 mph H 97%29.97 inHg

11:00 AM

Light rain

72° 💧 0.106 in 💨 1 mph H 89%30.00 inHg

2:00 PM

Overcast

75° 💧 0.001 in 💨 2 mph H 83%29.94 inHg

5:00 PM

Partly cloudy

76° 💧 0.000 in 💨 5 mph H 75%29.91 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 3 mph H 90%29.91 inHg

11:00 PM

Clear night

69° 💧 None 💨 3 mph H 94%29.97 inHg

Friday

2:00 AM

Clear night

68° 💧 None 💨 5 mph H 96%29.97 inHg

5:00 AM

Clear night

66° 💧 None 💨 5 mph H 96%29.97 inHg

8:00 AM

Sunny

67° 💧 0.000 in 💨 6 mph H 90%29.97 inHg

11:00 AM

Sunny

77° 💧 None 💨 7 mph H 67%29.97 inHg

2:00 PM

Sunny

81° 💧 None 💨 5 mph H 57%29.91 inHg

5:00 PM

Sunny

82° 💧 None 💨 3 mph H 55%29.85 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 76%29.85 inHg

Today

11:00 PM

Mostly clear night

72° 💧 None 💨 4 mph H 91%30.03 inHg

Tomorrow

12:00 AM

Mostly clear night

71° 💧 None 💨 3 mph H 93%30.00 inHg

1:00 AM

Mostly cloudy night

71° 💧 None 💨 3 mph H 94%29.97 inHg

2:00 AM

Light rain

71° 💧 0.006 in 💨 5 mph H 93%30.03 inHg

3:00 AM

Light rain

71° 💧 0.055 in 💨 3 mph H 95%30.03 inHg

4:00 AM

Light rain

71° 💧 0.073 in 💨 1 mph H 96%29.97 inHg

5:00 AM

Light rain

71° 💧 0.046 in 💨 2 mph H 97%29.97 inHg

6:00 AM

Light rain

71° 💧 0.044 in 💨 3 mph H 97%30.00 inHg

7:00 AM

Light rain

71° 💧 0.076 in 💨 1 mph H 97%30.00 inHg

8:00 AM

Light rain

71° 💧 0.095 in 💨 1 mph H 97%29.97 inHg

9:00 AM

Thunderstorms

71° 💧 0.106 in 💨 4 mph H 92%30.00 inHg

10:00 AM

Moderate rain

71° 💧 0.127 in 💨 0 mph H 89%30.00 inHg

11:00 AM

Light rain

72° 💧 0.065 in 💨 1 mph H 89%30.00 inHg

12:00 PM

Light rain

72° 💧 0.033 in 💨 3 mph H 89%30.00 inHg

1:00 PM

Light rain

74° 💧 0.008 in 💨 2 mph H 87%29.97 inHg

2:00 PM

Overcast

75° 💧 0.000 in 💨 2 mph H 83%29.94 inHg

3:00 PM

Overcast

76° 💧 None 💨 3 mph H 80%29.94 inHg

4:00 PM

Overcast

76° 💧 0.000 in 💨 5 mph H 77%29.91 inHg

5:00 PM

Partly cloudy

76° 💧 0.000 in 💨 5 mph H 75%29.91 inHg

6:00 PM

Mostly cloudy

76° 💧 None 💨 4 mph H 76%29.91 inHg

7:00 PM

Partly cloudy

74° 💧 0.000 in 💨 3 mph H 84%29.91 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 3 mph H 90%29.91 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 3 mph H 91%29.94 inHg

10:00 PM

Mostly clear night

70° 💧 None 💨 3 mph H 93%29.97 inHg

11:00 PM

Clear night

69° 💧 None 💨 3 mph H 94%29.97 inHg

Friday

12:00 AM

Clear night

68° 💧 None 💨 3 mph H 95%29.97 inHg

1:00 AM

Clear night

68° 💧 None 💨 4 mph H 96%29.97 inHg

2:00 AM

Clear night

68° 💧 None 💨 5 mph H 96%29.97 inHg

3:00 AM

Clear night

67° 💧 None 💨 5 mph H 96%29.97 inHg

4:00 AM

Clear night

66° 💧 None 💨 4 mph H 96%29.97 inHg

5:00 AM

Clear night

66° 💧 None 💨 5 mph H 96%29.97 inHg

6:00 AM

Clear night

65° 💧 None 💨 6 mph H 96%29.97 inHg

7:00 AM

Sunny

64° 💧 None 💨 7 mph H 95%29.97 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 90%29.97 inHg

9:00 AM

Sunny

70° 💧 None 💨 6 mph H 84%29.97 inHg

10:00 AM

Sunny

74° 💧 0.000 in 💨 7 mph H 77%29.97 inHg

11:00 AM

Sunny

77° 💧 None 💨 7 mph H 67%29.97 inHg

12:00 PM

Sunny

79° 💧 None 💨 6 mph H 62%29.94 inHg

1:00 PM

Sunny

80° 💧 None 💨 5 mph H 59%29.94 inHg

2:00 PM

Sunny

81° 💧 None 💨 5 mph H 57%29.91 inHg

3:00 PM

Sunny

82° 💧 None 💨 4 mph H 56%29.88 inHg

4:00 PM

Sunny

82° 💧 None 💨 3 mph H 55%29.88 inHg

5:00 PM

Sunny

82° 💧 None 💨 3 mph H 55%29.85 inHg

6:00 PM

Sunny

80° 💧 None 💨 3 mph H 63%29.85 inHg

7:00 PM

Sunny

76° 💧 None 💨 4 mph H 71%29.85 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 76%29.85 inHg

9:00 PM

Clear night

72° 💧 None 💨 4 mph H 81%29.88 inHg

10:00 PM

Clear night

71° 💧 None 💨 4 mph H 85%29.88 inHg

11:00 PM

Clear night

70° 💧 None 💨 4 mph H 88%29.88 inHg

Saturday

12:00 AM

Clear night

70° 💧 None 💨 5 mph H 89%29.88 inHg

1:00 AM

Clear night

70° 💧 None 💨 5 mph H 90%29.88 inHg

2:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 92%29.88 inHg

3:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 95%29.85 inHg

4:00 AM

Mostly cloudy night

69° 💧 None 💨 5 mph H 97%29.85 inHg

5:00 AM

Clear night

69° 💧 None 💨 6 mph H 98%29.85 inHg

6:00 AM

Clear night

69° 💧 None 💨 6 mph H 98%29.85 inHg

7:00 AM

Sunny

68° 💧 None 💨 4 mph H 99%29.88 inHg

4:00 PM

Overcast

84° 💧 None 💨 8 mph H 65%29.85 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 3 mph H 79%29.91 inHg

10:00 PM

Clear night

75° 💧 None 💨 4 mph H 89%29.97 inHg

Sunday

1:00 AM

Clear night

73° 💧 None 💨 3 mph H 93%29.97 inHg

4:00 AM

Mostly clear night

70° 💧 None 💨 6 mph H 96%30.00 inHg

7:00 AM

Partly cloudy

67° 💧 None 💨 5 mph H 89%30.06 inHg

10:00 AM

Partly cloudy

74° 💧 None 💨 5 mph H 68%30.09 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 3 mph H 59%30.06 inHg

4:00 PM

Mostly sunny

82° 💧 None 💨 3 mph H 53%30.03 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 65%30.03 inHg

10:00 PM

Clear night

71° 💧 None 💨 7 mph H 64%30.06 inHg

Monday

1:00 AM

Clear night

67° 💧 None 💨 7 mph H 67%30.06 inHg

4:00 AM

Partly cloudy night

66° 💧 None 💨 10 mph H 64%30.09 inHg

7:00 AM

Mostly cloudy

65° 💧 None 💨 10 mph H 60%30.12 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 9 mph H 55%30.09 inHg

1:00 PM

Sunny

85° 💧 None 💨 10 mph H 57%30.06 inHg

4:00 PM

Sunny

88° 💧 None 💨 11 mph H 57%29.97 inHg

7:00 PM

Sunny

83° 💧 None 💨 10 mph H 69%29.94 inHg

10:00 PM

Clear night

79° 💧 None 💨 14 mph H 78%29.94 inHg

Tuesday

1:00 AM

Mostly clear night

76° 💧 None 💨 11 mph H 84%30.00 inHg

4:00 AM

Overcast night

75° 💧 None 💨 9 mph H 84%30.00 inHg

7:00 AM

Mostly sunny

74° 💧 None 💨 9 mph H 85%30.03 inHg

10:00 AM

Sunny

84° 💧 None 💨 9 mph H 64%30.06 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 9 mph H 50%30.03 inHg

7:00 PM

Moderate rain

83° 💧 None 💨 9 mph H 72%30.00 inHg

Wednesday

1:00 AM

Light rain

75° 💧 None 💨 7 mph H 94%30.06 inHg

7:00 AM

Overcast

68° 💧 None 💨 9 mph H 90%30.15 inHg

1:00 PM

Moderate rain

64° 💧 None 💨 9 mph H 93%30.21 inHg

7:00 PM

Overcast

74° 💧 None 💨 5 mph H 65%30.21 inHg

Thursday

1:00 AM

Partly cloudy night

74° 💧 None 💨 1 mph H 72%30.12 inHg

7:00 AM

Overcast

70° 💧 None 💨 2 mph H 80%30.09 inHg

1:00 PM

Moderate rain

70° 💧 None 💨 3 mph H 86%30.09 inHg

7:00 PM

Moderate rain

73° 💧 None 💨 5 mph H 94%30.03 inHg

Friday

1:00 AM

Light rain

70° 💧 None 💨 8 mph H 96%30.00 inHg

7:00 AM

Sunny

65° 💧 None 💨 6 mph H 96%30.06 inHg

1:00 PM

Sunny

61° 💧 None 💨 6 mph H 96%30.12 inHg

7:00 PM

Overcast

73° 💧 None 💨 7 mph H 59%30.12 inHg

Saturday

1:00 AM

Clear night

67° 💧 None 💨 4 mph H 71%30.06 inHg

7:00 AM

Sunny

59° 💧 None 💨 4 mph H 85%30.09 inHg

1:00 PM

Mostly sunny

57° 💧 None 💨 4 mph H 90%30.09 inHg

7:00 PM

Mostly cloudy night

73° 💧 None 💨 8 mph H 47%30.06 inHg

Sunday

1:00 AM

Clear night

66° 💧 None 💨 4 mph H 70%30.03 inHg

7:00 AM

Sunny

60° 💧 None 💨 2 mph H 83%30.06 inHg

1:00 PM

Mostly sunny

58° 💧 None 💨 8 mph H 94%30.12 inHg

7:00 PM

Partly cloudy night

70° 💧 None 💨 9 mph H 56%30.15 inHg

Monday

1:00 AM

Partly cloudy night

65° 💧 None 💨 7 mph H 62%30.12 inHg

7:00 AM

Overcast

55° 💧 None 💨 8 mph H 76%30.18 inHg

1:00 PM

Partly cloudy

53° 💧 None 💨 11 mph H 75%30.24 inHg

7:00 PM

Overcast night

63° 💧 None 💨 11 mph H 54%30.24 inHg

Tuesday

1:00 AM

Overcast night

62° 💧 None 💨 10 mph H 60%30.24 inHg

7:00 AM

Overcast

58° 💧 None 💨 12 mph H 64%30.27 inHg

1:00 PM

Partly cloudy

53° 💧 None 💨 10 mph H 64%30.33 inHg

7:00 PM

Mostly clear night

65° 💧 None 💨 10 mph H 48%30.33 inHg

Wednesday

1:00 AM

Clear night

61° 💧 None 💨 8 mph H 57%30.30 inHg

7:00 AM

Sunny

52° 💧 None 💨 7 mph H 70%30.33 inHg

1:00 PM

Sunny

48° 💧 None 💨 7 mph H 82%30.36 inHg

7:00 PM

Clear night

65° 💧 None 💨 5 mph H 48%30.30 inHg

Thursday

1:00 AM

Mostly cloudy night

61° 💧 None 💨 3 mph H 61%30.24 inHg

7:00 AM

Overcast

56° 💧 None 💨 7 mph H 71%30.18 inHg

1:00 PM

Light rain

56° 💧 None 💨 5 mph H 85%30.12 inHg

In Blue Mound and, more broadly, across the state of Illinois: Tonight, temperatures will remain mild to warm, ranging from 74 to 75 degrees Fahrenheit, with mostly cloudy skies overhead. Light northwest winds will continue, with speeds up to 7 mph, occasionally gusting to 16 mph. No precipitation is expected through the evening and into the early night hours, so dry conditions will persist. The breeze may bring some slight movement to the clouds, but overall, skies will stay mostly cloudy. Temperatures are likely to stay steady or gradually decrease slightly later in the night. It should be a relatively calm and dry evening, making for a comfortable night ahead.

15-Day Weather Outlook for Blue Mound

Friday, Sep 11Fri Sep 11

Partly cloudy 82°/64° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 86°/68° 💧 0.821 in 💨 10 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 88°/70° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 91°/74° 💧 0.001 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 84°/75° 💧 0.030 in 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 75°/64° 💧 0.811 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 74°/70° 💧 0.302 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Light rain 73°/61° 💧 0.364 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 73°/57° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 70°/58° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 65°/53° 💧 0.001 in 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Overcast 65°/53° 💧 None 💨 12 mph

Wednesday, Sep 23Wed Sep 23

Sunny 65°/48° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Light rain 61°/56° 💧 0.019 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Blue Mound

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Blue Mound

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 PM

PM2.5 Fine particles Good 8,0µg/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 8,9µg/m³

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

O₃ Ozone Good 53,7µg/m³

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

NO₂ Nitrogen dioxide Good 6,7µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Blue Mound

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 7,3High 😊Good

Tomorrow UV 3,3Moderate 😊Good

Friday UV 5,8Moderate 🙂Fair

Saturday UV 7,0High 🙂Fair

Sunday UV 5,9Moderate 😐Moderate

Monday UV 9,0Very high —Unavailable

Tuesday UV 7,0High —Unavailable

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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Blue Mound

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · BLUE MOUND, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 11:00 PM–12:00 AM.

85/100Best-hour score

BEST TIME TONIGHT 11:00 PM–12:00 AM Astronomical darkness: 8:47 PM–5:00 AM

☁ Cloud cover 17% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 26° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min46%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Blue Mound were last refreshed today at 9:57 PM. The current forecast period extends through 11/09/2026 at 8:00 PM. 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.