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Current weather in McLeansboro is overcast clouds.

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This page shows hourly weather forecast for McLeansboro, including temperature, wind, precipitation, humidity and cloud cover.

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

Now · 5:50 PM

McLeansboro Weather & Hourly Forecast

United States · Illinois · 62859

81°F

Overcast

Feels like: 86°F

💧 Humidity 70% 🌡 Pressure 29.83 inHg 💨 Wind 5 mph 👁 Visibility 18.7 mi ☁ Clouds 99% ☀️ UV index 0.3 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for McLeansboro

Today

6:00 PM

Overcast

81° 💧 0.000 in 💨 5 mph H 70%29.83 inHg

9:00 PM

Overcast night

76° 💧 0.059 in 💨 1 mph H 88%29.85 inHg

Tomorrow

12:00 AM

Light rain

74° 💧 0.041 in 💨 6 mph H 96%29.88 inHg

3:00 AM

Light rain

72° 💧 0.010 in 💨 3 mph H 98%29.85 inHg

6:00 AM

Mostly clear night

71° 💧 0.003 in 💨 2 mph H 99%29.85 inHg

9:00 AM

Mostly sunny

74° 💧 0.002 in 💨 5 mph H 92%29.88 inHg

12:00 PM

Mostly sunny

83° 💧 0.009 in 💨 6 mph H 64%29.91 inHg

3:00 PM

Sunny

87° 💧 0.000 in 💨 7 mph H 55%29.88 inHg

6:00 PM

Mostly sunny

84° 💧 None 💨 5 mph H 60%29.85 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 2 mph H 80%29.91 inHg

Sunday

12:00 AM

Mostly clear night

74° 💧 None 💨 1 mph H 85%29.94 inHg

3:00 AM

Clear night

71° 💧 None 💨 3 mph H 92%29.97 inHg

6:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 95%30.00 inHg

9:00 AM

Sunny

79° 💧 None 💨 1 mph H 80%30.03 inHg

12:00 PM

Partly cloudy

88° 💧 None 💨 4 mph H 55%30.00 inHg

3:00 PM

Partly cloudy

90° 💧 None 💨 6 mph H 48%29.97 inHg

Today

6:00 PM

Overcast

81° 💧 0.000 in 💨 5 mph H 70%29.83 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 3 mph H 80%29.83 inHg

8:00 PM

Mostly cloudy night

78° 💧 None 💨 1 mph H 85%29.85 inHg

9:00 PM

Overcast night

76° 💧 None 💨 1 mph H 88%29.85 inHg

10:00 PM

Light thunderstorms

75° 💧 0.005 in 💨 1 mph H 91%29.88 inHg

11:00 PM

Light thunderstorms

74° 💧 0.054 in 💨 4 mph H 96%29.88 inHg

Tomorrow

12:00 AM

Light rain

74° 💧 0.011 in 💨 6 mph H 96%29.88 inHg

1:00 AM

Light rain

73° 💧 0.014 in 💨 6 mph H 97%29.88 inHg

2:00 AM

Light thunderstorms

72° 💧 0.016 in 💨 4 mph H 98%29.85 inHg

3:00 AM

Light rain

72° 💧 0.010 in 💨 3 mph H 98%29.85 inHg

4:00 AM

Mostly cloudy night

71° 💧 0.000 in 💨 2 mph H 99%29.85 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 3 mph H 99%29.85 inHg

6:00 AM

Mostly clear night

71° 💧 None 💨 2 mph H 99%29.85 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 5 mph H 99%29.88 inHg

8:00 AM

Mostly cloudy

73° 💧 0.003 in 💨 5 mph H 96%29.91 inHg

9:00 AM

Mostly sunny

74° 💧 0.001 in 💨 5 mph H 92%29.88 inHg

10:00 AM

Partly cloudy

78° 💧 0.000 in 💨 5 mph H 79%29.91 inHg

11:00 AM

Mostly sunny

80° 💧 0.001 in 💨 5 mph H 71%29.91 inHg

12:00 PM

Mostly sunny

83° 💧 0.003 in 💨 6 mph H 64%29.91 inHg

1:00 PM

Light rain

85° 💧 0.004 in 💨 7 mph H 60%29.88 inHg

2:00 PM

Mostly sunny

86° 💧 0.002 in 💨 8 mph H 57%29.88 inHg

3:00 PM

Sunny

87° 💧 0.000 in 💨 7 mph H 55%29.88 inHg

4:00 PM

Mostly sunny

87° 💧 None 💨 7 mph H 52%29.85 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 7 mph H 53%29.85 inHg

6:00 PM

Mostly sunny

84° 💧 None 💨 5 mph H 60%29.85 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 2 mph H 71%29.88 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 2 mph H 75%29.88 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 2 mph H 80%29.91 inHg

10:00 PM

Clear night

76° 💧 None 💨 2 mph H 84%29.94 inHg

11:00 PM

Clear night

75° 💧 None 💨 0 mph H 83%29.97 inHg

Sunday

12:00 AM

Mostly clear night

74° 💧 None 💨 1 mph H 85%29.94 inHg

1:00 AM

Mostly clear night

73° 💧 None 💨 2 mph H 88%29.94 inHg

2:00 AM

Clear night

72° 💧 None 💨 3 mph H 92%29.94 inHg

3:00 AM

Clear night

71° 💧 None 💨 3 mph H 92%29.97 inHg

4:00 AM

Clear night

71° 💧 None 💨 3 mph H 93%29.97 inHg

5:00 AM

Clear night

70° 💧 None 💨 3 mph H 94%29.97 inHg

6:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 95%30.00 inHg

7:00 AM

Sunny

71° 💧 None 💨 3 mph H 95%30.00 inHg

8:00 AM

Sunny

74° 💧 None 💨 2 mph H 89%30.03 inHg

9:00 AM

Sunny

79° 💧 None 💨 1 mph H 80%30.03 inHg

10:00 AM

Mostly sunny

83° 💧 None 💨 1 mph H 69%30.00 inHg

11:00 AM

Mostly sunny

86° 💧 None 💨 2 mph H 60%30.00 inHg

12:00 PM

Partly cloudy

88° 💧 None 💨 4 mph H 55%30.00 inHg

1:00 PM

Partly cloudy

90° 💧 None 💨 5 mph H 51%30.00 inHg

2:00 PM

Mostly cloudy

90° 💧 None 💨 6 mph H 49%29.97 inHg

3:00 PM

Partly cloudy

90° 💧 None 💨 6 mph H 48%29.97 inHg

4:00 PM

Partly cloudy

90° 💧 None 💨 6 mph H 48%29.94 inHg

5:00 PM

Mostly sunny

90° 💧 None 💨 4 mph H 49%29.94 inHg

6:00 PM

Partly cloudy

88° 💧 None 💨 3 mph H 55%29.97 inHg

7:00 PM

Partly cloudy

84° 💧 None 💨 2 mph H 67%29.97 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 4 mph H 73%29.97 inHg

9:00 PM

Mostly clear night

80° 💧 None 💨 3 mph H 74%29.97 inHg

10:00 PM

Mostly clear night

78° 💧 None 💨 4 mph H 81%30.00 inHg

11:00 PM

Partly cloudy night

78° 💧 None 💨 4 mph H 83%30.00 inHg

Monday

12:00 AM

Partly cloudy night

77° 💧 None 💨 4 mph H 86%30.03 inHg

1:00 AM

Mostly cloudy night

76° 💧 None 💨 8 mph H 85%30.03 inHg

2:00 AM

Overcast night

74° 💧 None 💨 9 mph H 79%30.03 inHg

3:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 75%30.03 inHg

4:00 AM

Mostly cloudy night

70° 💧 None 💨 10 mph H 73%30.06 inHg

5:00 AM

Partly cloudy night

68° 💧 None 💨 9 mph H 73%30.09 inHg

6:00 AM

Partly cloudy night

67° 💧 None 💨 10 mph H 74%30.09 inHg

7:00 AM

Partly cloudy

67° 💧 None 💨 9 mph H 74%30.12 inHg

10:00 AM

Sunny

75° 💧 None 💨 8 mph H 65%30.12 inHg

1:00 PM

Sunny

85° 💧 None 💨 7 mph H 59%30.09 inHg

4:00 PM

Sunny

88° 💧 None 💨 7 mph H 59%30.00 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 8 mph H 74%30.00 inHg

10:00 PM

Clear night

79° 💧 None 💨 9 mph H 81%30.03 inHg

Tuesday

1:00 AM

Clear night

77° 💧 None 💨 8 mph H 87%30.03 inHg

4:00 AM

Clear night

75° 💧 None 💨 8 mph H 91%30.03 inHg

7:00 AM

Sunny

74° 💧 None 💨 6 mph H 91%30.09 inHg

10:00 AM

Sunny

85° 💧 None 💨 7 mph H 65%30.12 inHg

1:00 PM

Sunny

94° 💧 None 💨 10 mph H 44%30.06 inHg

4:00 PM

Sunny

95° 💧 None 💨 9 mph H 39%30.03 inHg

7:00 PM

Sunny

86° 💧 None 💨 3 mph H 61%30.06 inHg

10:00 PM

Clear night

80° 💧 None 💨 3 mph H 78%30.12 inHg

Wednesday

1:00 AM

Clear night

77° 💧 None 💨 4 mph H 84%30.12 inHg

4:00 AM

Clear night

76° 💧 None 💨 6 mph H 76%30.12 inHg

7:00 AM

Sunny

75° 💧 None 💨 5 mph H 80%30.15 inHg

10:00 AM

Sunny

88° 💧 None 💨 6 mph H 53%30.21 inHg

1:00 PM

Sunny

97° 💧 None 💨 7 mph H 35%30.15 inHg

4:00 PM

Mostly sunny

97° 💧 None 💨 6 mph H 34%30.12 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 2 mph H 55%30.12 inHg

10:00 PM

Clear night

81° 💧 None 💨 3 mph H 69%30.15 inHg

Thursday

1:00 AM

Partly cloudy night

78° 💧 None 💨 2 mph H 74%30.15 inHg

4:00 AM

Clear night

76° 💧 None 💨 5 mph H 78%30.15 inHg

7:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 90%30.21 inHg

1:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 56%30.21 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 9 mph H 66%30.15 inHg

Friday

1:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 82%30.18 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 6 mph H 87%30.18 inHg

1:00 PM

Partly cloudy

88° 💧 None 💨 3 mph H 54%30.09 inHg

7:00 PM

Mostly clear night

84° 💧 None 💨 3 mph H 64%30.00 inHg

Saturday

1:00 AM

Clear night

76° 💧 None 💨 5 mph H 80%30.00 inHg

7:00 AM

Mostly sunny

74° 💧 None 💨 7 mph H 86%29.94 inHg

1:00 PM

Sunny

96° 💧 None 💨 10 mph H 42%29.85 inHg

7:00 PM

Clear night

88° 💧 None 💨 5 mph H 48%29.80 inHg

Sunday

1:00 AM

Clear night

79° 💧 None 💨 6 mph H 60%29.80 inHg

7:00 AM

Sunny

75° 💧 None 💨 5 mph H 64%29.80 inHg

1:00 PM

Sunny

97° 💧 None 💨 7 mph H 32%29.80 inHg

7:00 PM

Clear night

88° 💧 None 💨 2 mph H 42%29.74 inHg

Monday

1:00 AM

Clear night

82° 💧 None 💨 9 mph H 48%29.77 inHg

7:00 AM

Sunny

79° 💧 None 💨 8 mph H 58%29.77 inHg

1:00 PM

Sunny

96° 💧 None 💨 9 mph H 32%29.74 inHg

7:00 PM

Moderate rain

76° 💧 None 💨 4 mph H 94%29.77 inHg

Tuesday

1:00 AM

Moderate rain

72° 💧 None 💨 5 mph H 96%29.83 inHg

7:00 AM

Partly cloudy

68° 💧 None 💨 3 mph H 76%29.88 inHg

1:00 PM

Sunny

79° 💧 None 💨 6 mph H 33%29.88 inHg

7:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 41%29.85 inHg

Wednesday

1:00 AM

Overcast night

63° 💧 None 💨 8 mph H 66%29.97 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 4 mph H 79%30.03 inHg

1:00 PM

Mostly cloudy

73° 💧 None 💨 5 mph H 46%30.06 inHg

7:00 PM

Partly cloudy night

68° 💧 None 💨 5 mph H 54%30.06 inHg

Thursday

1:00 AM

Clear night

61° 💧 None 💨 6 mph H 71%30.12 inHg

7:00 AM

Sunny

57° 💧 None 💨 5 mph H 85%30.15 inHg

1:00 PM

Overcast

69° 💧 None 💨 7 mph H 50%30.18 inHg

7:00 PM

Overcast night

67° 💧 None 💨 8 mph H 49%30.15 inHg

Friday

1:00 AM

Overcast night

63° 💧 None 💨 9 mph H 67%30.18 inHg

7:00 AM

Overcast

60° 💧 None 💨 8 mph H 70%30.21 inHg

1:00 PM

Overcast

68° 💧 None 💨 10 mph H 47%30.21 inHg

7:00 PM

Mostly clear night

66° 💧 None 💨 7 mph H 53%30.15 inHg

Saturday

1:00 AM

Partly cloudy night

61° 💧 None 💨 7 mph H 73%30.18 inHg

7:00 AM

Sunny

54° 💧 None 💨 7 mph H 91%30.21 inHg

In McLeansboro and, more broadly, across the state of Illinois: As the afternoon progresses into the evening, skies will remain mostly cloudy with temperatures holding steady between 70 and 81 degrees Fahrenheit. Light southeast winds will continue, generally around 8 mph, with occasional gusts up to 18 mph. No significant rainfall is expected during this time, so conditions will remain dry. The mild temperatures and gentle breezes make for a comfortable evening, with no weather-related disruptions anticipated. Overall, it looks like a calm and mild end to the day.

15-Day Weather Outlook for McLeansboro

TomorrowTomorrow

Light thunderstorms 85°/71° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 90°/70° 💧 None 💨 4 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 86°/67° 💧 0.112 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Sunny 94°/73° 💧 None 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 94°/75° 💧 0.041 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 83°/75° 💧 0.063 in 💨 4 mph

Friday, Sep 18Fri Sep 18

Light rain 84°/73° 💧 0.156 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 90°/74° 💧 0.216 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 93°/68° 💧 0.176 in 💨 16 mph

Monday, Sep 21Mon Sep 21

Overcast 75°/54° 💧 None 💨 13 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 69°/53° 💧 None 💨 12 mph

Wednesday, Sep 23Wed Sep 23

Overcast 70°/58° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 75°/62° 💧 None 💨 4 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 83°/65° 💧 None 💨 5 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 83°/76° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in McLeansboro

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for McLeansboro

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 7,0µg/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 8,1µg/m³

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

O₃ Ozone Good 53,3µg/m³

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

NO₂ Nitrogen dioxide Good 8,5µg/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 McLeansboro

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 2,7Low 😊Good

Tomorrow UV 7,6High 🙂Fair

Sunday UV 7,4High 😐Moderate

Monday UV 7,4High 😐Moderate

Tuesday UV 9,0Very high 😐Moderate

Wednesday UV 9,0Very high —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

6:00 PMUV 0,0 7:00 PMUV 0,0

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

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

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 McLeansboro

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MCLEANSBORO, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

80/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:38 PM–5:03 AM

☁ Cloud cover 19% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 86° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min74%

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

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Forecast data for McLeansboro were last refreshed today at 5:50 PM. The current forecast period extends through 13/09/2026 at 3:00 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.