What is the weather in Chestnut right now?

Current weather in Chestnut is light rain.

Where can I find the hourly weather forecast for Chestnut?

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

Is the weather forecast for Chestnut updated regularly?

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

Now · 11:18 AM

Chestnut Weather & Hourly Forecast

United States · Illinois · 62518

72°F

Light rain

Feels like: 78°F

💧 Humidity 91% 🌡 Pressure 30.03 inHg 💨 Wind 2 mph 👁 Visibility 3.4 mi ☁ Clouds 100% ☀️ UV index 1.2 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Chestnut

Today

12:00 PM

Light rain

73° 💧 0.005 in 💨 2 mph H 89%30.03 inHg

3:00 PM

Mostly cloudy

79° 💧 None 💨 2 mph H 62%29.97 inHg

6:00 PM

Mostly cloudy

78° 💧 None 💨 2 mph H 68%29.94 inHg

9:00 PM

Partly cloudy night

71° 💧 None 💨 4 mph H 86%29.97 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 5 mph H 92%29.97 inHg

3:00 AM

Clear night

66° 💧 None 💨 5 mph H 94%29.97 inHg

6:00 AM

Clear night

64° 💧 None 💨 5 mph H 94%30.00 inHg

9:00 AM

Sunny

70° 💧 None 💨 6 mph H 79%30.00 inHg

12:00 PM

Sunny

78° 💧 None 💨 7 mph H 65%29.97 inHg

3:00 PM

Mostly sunny

82° 💧 None 💨 6 mph H 54%29.91 inHg

6:00 PM

Mostly sunny

80° 💧 None 💨 2 mph H 61%29.85 inHg

9:00 PM

Clear night

72° 💧 None 💨 4 mph H 81%29.85 inHg

Saturday

12:00 AM

Clear night

70° 💧 None 💨 5 mph H 90%29.85 inHg

3:00 AM

Clear night

68° 💧 None 💨 5 mph H 94%29.88 inHg

6:00 AM

Clear night

68° 💧 None 💨 5 mph H 96%29.88 inHg

9:00 AM

Mostly cloudy

75° 💧 0.002 in 💨 8 mph H 88%29.91 inHg

Today

12:00 PM

Light rain

73° 💧 0.005 in 💨 2 mph H 89%30.03 inHg

1:00 PM

Overcast

76° 💧 0.000 in 💨 1 mph H 81%30.00 inHg

2:00 PM

Overcast

78° 💧 None 💨 2 mph H 67%29.97 inHg

3:00 PM

Mostly cloudy

79° 💧 None 💨 2 mph H 62%29.97 inHg

4:00 PM

Overcast

79° 💧 None 💨 1 mph H 61%29.94 inHg

5:00 PM

Overcast

78° 💧 None 💨 2 mph H 62%29.94 inHg

6:00 PM

Mostly cloudy

78° 💧 None 💨 2 mph H 68%29.94 inHg

7:00 PM

Overcast

75° 💧 None 💨 2 mph H 78%29.94 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 3 mph H 82%29.94 inHg

9:00 PM

Partly cloudy night

71° 💧 None 💨 4 mph H 86%29.97 inHg

10:00 PM

Clear night

70° 💧 None 💨 4 mph H 88%29.97 inHg

11:00 PM

Clear night

69° 💧 None 💨 4 mph H 91%29.97 inHg

Tomorrow

12:00 AM

Clear night

68° 💧 None 💨 5 mph H 92%29.97 inHg

1:00 AM

Clear night

68° 💧 None 💨 6 mph H 92%29.97 inHg

2:00 AM

Clear night

67° 💧 None 💨 6 mph H 93%29.97 inHg

3:00 AM

Clear night

66° 💧 None 💨 5 mph H 94%29.97 inHg

4:00 AM

Clear night

66° 💧 None 💨 5 mph H 94%30.00 inHg

5:00 AM

Clear night

65° 💧 None 💨 5 mph H 94%30.00 inHg

6:00 AM

Clear night

64° 💧 None 💨 5 mph H 94%30.00 inHg

7:00 AM

Sunny

64° 💧 None 💨 5 mph H 93%30.00 inHg

8:00 AM

Sunny

67° 💧 None 💨 5 mph H 86%30.00 inHg

9:00 AM

Sunny

70° 💧 None 💨 6 mph H 79%30.00 inHg

10:00 AM

Sunny

74° 💧 None 💨 6 mph H 74%30.00 inHg

11:00 AM

Sunny

76° 💧 None 💨 7 mph H 70%30.00 inHg

12:00 PM

Sunny

78° 💧 None 💨 7 mph H 65%29.97 inHg

1:00 PM

Sunny

80° 💧 None 💨 6 mph H 61%29.97 inHg

2:00 PM

Sunny

81° 💧 None 💨 7 mph H 57%29.94 inHg

3:00 PM

Mostly sunny

82° 💧 None 💨 6 mph H 54%29.91 inHg

4:00 PM

Mostly sunny

82° 💧 None 💨 6 mph H 52%29.88 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 5 mph H 52%29.88 inHg

6:00 PM

Mostly sunny

80° 💧 None 💨 2 mph H 61%29.85 inHg

7:00 PM

Sunny

77° 💧 None 💨 2 mph H 73%29.85 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 77%29.85 inHg

9:00 PM

Clear night

72° 💧 None 💨 4 mph H 81%29.85 inHg

10:00 PM

Clear night

71° 💧 None 💨 5 mph H 86%29.88 inHg

11:00 PM

Clear night

70° 💧 None 💨 6 mph H 88%29.88 inHg

Saturday

12:00 AM

Clear night

70° 💧 None 💨 5 mph H 90%29.85 inHg

1:00 AM

Clear night

70° 💧 None 💨 4 mph H 91%29.88 inHg

2:00 AM

Clear night

69° 💧 None 💨 4 mph H 92%29.88 inHg

3:00 AM

Clear night

68° 💧 None 💨 5 mph H 94%29.88 inHg

4:00 AM

Clear night

68° 💧 None 💨 5 mph H 95%29.88 inHg

5:00 AM

Clear night

68° 💧 None 💨 5 mph H 96%29.85 inHg

6:00 AM

Clear night

68° 💧 None 💨 5 mph H 96%29.88 inHg

7:00 AM

Sunny

68° 💧 None 💨 6 mph H 97%29.88 inHg

8:00 AM

Partly cloudy

72° 💧 None 💨 7 mph H 94%29.91 inHg

9:00 AM

Mostly cloudy

75° 💧 None 💨 8 mph H 88%29.91 inHg

10:00 AM

Overcast

79° 💧 0.000 in 💨 8 mph H 80%29.91 inHg

11:00 AM

Mostly cloudy

81° 💧 0.001 in 💨 9 mph H 73%29.91 inHg

12:00 PM

Overcast

83° 💧 None 💨 8 mph H 67%29.88 inHg

1:00 PM

Overcast

85° 💧 None 💨 8 mph H 62%29.88 inHg

2:00 PM

Mostly cloudy

85° 💧 None 💨 8 mph H 62%29.88 inHg

3:00 PM

Light thunderstorms

86° 💧 0.002 in 💨 8 mph H 62%29.85 inHg

4:00 PM

Strong thunderstorm

85° 💧 0.001 in 💨 8 mph H 62%29.85 inHg

5:00 PM

Light thunderstorms

85° 💧 0.003 in 💨 7 mph H 61%29.85 inHg

6:00 PM

Strong thunderstorm

83° 💧 0.002 in 💨 5 mph H 69%29.88 inHg

7:00 PM

Partly cloudy

80° 💧 0.000 in 💨 3 mph H 79%29.91 inHg

Sunday

4:00 AM

Partly cloudy night

70° 💧 None 💨 4 mph H 97%30.00 inHg

7:00 AM

Partly cloudy

68° 💧 None 💨 4 mph H 97%30.03 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 4 mph H 77%30.06 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 2 mph H 60%30.00 inHg

4:00 PM

Mostly cloudy

85° 💧 None 💨 5 mph H 55%29.97 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 1 mph H 72%29.94 inHg

10:00 PM

Partly cloudy night

76° 💧 None 💨 5 mph H 78%29.97 inHg

Monday

1:00 AM

Overcast night

74° 💧 None 💨 7 mph H 78%30.00 inHg

4:00 AM

Mostly cloudy night

71° 💧 None 💨 8 mph H 78%30.03 inHg

7:00 AM

Partly cloudy

69° 💧 None 💨 8 mph H 84%30.03 inHg

10:00 AM

Sunny

81° 💧 None 💨 7 mph H 73%30.03 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 7 mph H 56%29.97 inHg

4:00 PM

Mostly sunny

92° 💧 None 💨 11 mph H 49%29.94 inHg

7:00 PM

Sunny

86° 💧 None 💨 10 mph H 57%29.91 inHg

10:00 PM

Clear night

82° 💧 None 💨 13 mph H 68%29.94 inHg

Tuesday

1:00 AM

Clear night

79° 💧 None 💨 11 mph H 76%30.00 inHg

4:00 AM

Clear night

77° 💧 None 💨 9 mph H 78%30.00 inHg

7:00 AM

Sunny

76° 💧 None 💨 9 mph H 83%30.03 inHg

10:00 AM

Mostly sunny

85° 💧 None 💨 8 mph H 65%30.03 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 54%30.03 inHg

4:00 PM

Mostly sunny

90° 💧 None 💨 6 mph H 55%29.97 inHg

7:00 PM

Light rain

74° 💧 None 💨 4 mph H 96%30.06 inHg

10:00 PM

Mostly clear night

74° 💧 None 💨 4 mph H 97%30.12 inHg

Wednesday

1:00 AM

Mostly clear night

73° 💧 None 💨 5 mph H 98%30.12 inHg

7:00 AM

Sunny

73° 💧 None 💨 5 mph H 96%30.09 inHg

1:00 PM

Overcast

69° 💧 None 💨 9 mph H 89%30.15 inHg

7:00 PM

Overcast

80° 💧 None 💨 3 mph H 76%30.15 inHg

Thursday

1:00 AM

Moderate rain

74° 💧 None 💨 2 mph H 94%30.12 inHg

7:00 AM

Partly cloudy

72° 💧 None 💨 3 mph H 99%30.09 inHg

1:00 PM

Light rain

73° 💧 None 💨 10 mph H 98%30.06 inHg

7:00 PM

Overcast

74° 💧 None 💨 14 mph H 74%30.12 inHg

Friday

1:00 AM

Partly cloudy night

70° 💧 None 💨 8 mph H 67%30.15 inHg

7:00 AM

Sunny

61° 💧 None 💨 6 mph H 88%30.21 inHg

1:00 PM

Sunny

57° 💧 None 💨 4 mph H 96%30.27 inHg

7:00 PM

Partly cloudy

72° 💧 None 💨 8 mph H 52%30.24 inHg

Saturday

1:00 AM

Clear night

67° 💧 None 💨 4 mph H 64%30.18 inHg

7:00 AM

Partly cloudy

59° 💧 None 💨 5 mph H 78%30.21 inHg

1:00 PM

Sunny

56° 💧 None 💨 5 mph H 91%30.21 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 6 mph H 46%30.18 inHg

Sunday

1:00 AM

Clear night

68° 💧 None 💨 4 mph H 61%30.12 inHg

7:00 AM

Sunny

60° 💧 None 💨 6 mph H 76%30.15 inHg

1:00 PM

Sunny

55° 💧 None 💨 5 mph H 90%30.18 inHg

7:00 PM

Clear night

74° 💧 None 💨 11 mph H 46%30.18 inHg

Monday

1:00 AM

Clear night

69° 💧 None 💨 5 mph H 63%30.12 inHg

7:00 AM

Sunny

62° 💧 None 💨 7 mph H 81%30.18 inHg

1:00 PM

Sunny

58° 💧 None 💨 7 mph H 82%30.21 inHg

7:00 PM

Clear night

76° 💧 None 💨 10 mph H 48%30.21 inHg

Tuesday

1:00 AM

Clear night

70° 💧 None 💨 7 mph H 58%30.18 inHg

7:00 AM

Sunny

63° 💧 None 💨 6 mph H 70%30.21 inHg

1:00 PM

Sunny

59° 💧 None 💨 6 mph H 86%30.27 inHg

7:00 PM

Clear night

78° 💧 None 💨 8 mph H 44%30.24 inHg

Wednesday

1:00 AM

Clear night

71° 💧 None 💨 6 mph H 55%30.18 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 82%30.18 inHg

1:00 PM

Sunny

53° 💧 None 💨 4 mph H 89%30.21 inHg

7:00 PM

Overcast night

78° 💧 None 💨 9 mph H 41%30.18 inHg

Thursday

1:00 AM

Clear night

70° 💧 None 💨 3 mph H 65%30.09 inHg

7:00 AM

Sunny

61° 💧 None 💨 4 mph H 86%30.12 inHg

1:00 PM

Sunny

59° 💧 None 💨 5 mph H 91%30.15 inHg

7:00 PM

Clear night

78° 💧 None 💨 8 mph H 50%30.15 inHg

Friday

1:00 AM

Clear night

72° 💧 None 💨 6 mph H 57%30.09 inHg

In Chestnut and, more broadly, across the state of Illinois: The rest of the day will see mostly cloudy skies with temperatures remaining mild, ranging from 66 to 71 degrees Fahrenheit. There is a high likelihood of rain, with total accumulation around 0.38 inches. Winds will be light, coming from the east at up to 6 mph, with gusts reaching 8 mph. Conditions will be damp and breezy at times, so it’s a good idea to carry an umbrella if you plan to be outdoors. The rain could be steady at times, especially during the afternoon hours. Overall, expect a cooler, moist afternoon with limited sunshine.

15-Day Weather Outlook for Chestnut

TomorrowTomorrow

Overcast 82°/64° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Light thunderstorms 86°/68° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 85°/68° 💧 0.175 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 92°/69° 💧 0.001 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 91°/76° 💧 0.031 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Light rain 74°/69° 💧 0.348 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 80°/72° 💧 0.150 in 💨 10 mph

Friday, Sep 18Fri Sep 18

Overcast 74°/57° 💧 0.091 in 💨 14 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 72°/56° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 73°/55° 💧 None 💨 6 mph

Monday, Sep 21Mon Sep 21

Sunny 74°/58° 💧 None 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Sunny 76°/59° 💧 None 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Sunny 78°/53° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Overcast 78°/59° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Sunny 78°/72° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Chestnut

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Chestnut

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 12:00 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 7,3µg/m³

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

O₃ Ozone Good 44,2µg/m³

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

NO₂ Nitrogen dioxide Good 5,7µg/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 Chestnut

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 1,9Low 😊Good

Tomorrow UV 6,7High 🙂Fair

Saturday UV 6,9High 🙂Fair

Sunday UV 5,6Moderate 🙂Fair

Monday UV 9,0Very high 😊Good

Tuesday UV 8,0Very high —Unavailable

Wednesday UV 6,0High —Unavailable

Hourly UV index today

12:00 PMUV 1,4 1:00 PMUV 1,9 2:00 PMUV 1,7 3:00 PMUV 1,1 4:00 PMUV 1,2 5:00 PMUV 0,8 6:00 PMUV 0,2 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.

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 Chestnut

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · CHESTNUT, ILLINOIS

Tonight's Stargazing & Shooting Stars

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

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:46 PM–5:01 AM

☁ Cloud cover 0% 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 88° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min80%

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 Chestnut were last refreshed today at 11:18 AM. The current forecast period extends through 12/09/2026 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.