What is the weather in Arthur right now?

Current weather in Arthur is light rain.

Where can I find the hourly weather forecast for Arthur?

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

Is the weather forecast for Arthur updated regularly?

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

Now · 4:57 PM

Arthur Weather & Hourly Forecast

United States · Illinois · 61911

78°F

Light rain

Feels like: 88°F

💧 Humidity 89% 🌡 Pressure 30.06 inHg 💨 Wind 1 mph 👁 Visibility 12.0 mi ☁ Clouds 55% ☀️ UV index 1.4 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Arthur

Today

5:00 PM

Light rain

78° 💧 0.049 in 💨 1 mph H 89%30.06 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 90%30.09 inHg

11:00 PM

Mostly clear night

76° 💧 0.000 in 💨 6 mph H 88%30.12 inHg

Tomorrow

2:00 AM

Thunderstorms

74° 💧 0.401 in 💨 11 mph H 93%30.15 inHg

5:00 AM

Light rain

72° 💧 0.009 in 💨 2 mph H 96%30.18 inHg

8:00 AM

Light thunderstorms

74° 💧 0.048 in 💨 4 mph H 95%30.21 inHg

11:00 AM

Sunny

83° 💧 0.002 in 💨 9 mph H 76%30.21 inHg

2:00 PM

Strong thunderstorm

90° 💧 0.002 in 💨 8 mph H 61%30.18 inHg

5:00 PM

Sunny

90° 💧 0.010 in 💨 7 mph H 60%30.12 inHg

8:00 PM

Clear night

82° 💧 None 💨 1 mph H 81%30.15 inHg

11:00 PM

Clear night

77° 💧 None 💨 4 mph H 91%30.18 inHg

Thursday

2:00 AM

Clear night

77° 💧 None 💨 7 mph H 80%30.18 inHg

5:00 AM

Clear night

77° 💧 None 💨 9 mph H 77%30.15 inHg

8:00 AM

Sunny

78° 💧 None 💨 6 mph H 76%30.21 inHg

11:00 AM

Overcast

86° 💧 None 💨 6 mph H 63%30.21 inHg

2:00 PM

Mostly cloudy

90° 💧 0.005 in 💨 5 mph H 61%30.15 inHg

Today

5:00 PM

Light rain

78° 💧 0.048 in 💨 1 mph H 89%30.06 inHg

6:00 PM

Mostly sunny

79° 💧 0.001 in 💨 6 mph H 86%30.06 inHg

7:00 PM

Partly cloudy

78° 💧 0.000 in 💨 6 mph H 88%30.06 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 5 mph H 90%30.09 inHg

9:00 PM

Clear night

75° 💧 None 💨 5 mph H 90%30.09 inHg

10:00 PM

Clear night

75° 💧 None 💨 6 mph H 90%30.12 inHg

11:00 PM

Mostly clear night

76° 💧 None 💨 6 mph H 88%30.12 inHg

Tomorrow

12:00 AM

Mostly clear night

76° 💧 None 💨 6 mph H 87%30.12 inHg

1:00 AM

Mostly clear night

77° 💧 0.000 in 💨 6 mph H 85%30.12 inHg

2:00 AM

Thunderstorms

74° 💧 0.260 in 💨 11 mph H 93%30.15 inHg

3:00 AM

Thunderstorms

74° 💧 0.124 in 💨 6 mph H 94%30.15 inHg

4:00 AM

Light rain

73° 💧 0.017 in 💨 2 mph H 94%30.18 inHg

5:00 AM

Light rain

72° 💧 0.006 in 💨 2 mph H 96%30.18 inHg

6:00 AM

Overcast night

72° 💧 0.000 in 💨 3 mph H 97%30.18 inHg

7:00 AM

Overcast

72° 💧 0.002 in 💨 3 mph H 96%30.21 inHg

8:00 AM

Light thunderstorms

74° 💧 0.008 in 💨 4 mph H 95%30.21 inHg

9:00 AM

Light thunderstorms

76° 💧 0.014 in 💨 6 mph H 93%30.21 inHg

10:00 AM

Light thunderstorms

78° 💧 0.026 in 💨 7 mph H 90%30.21 inHg

11:00 AM

Sunny

83° 💧 0.002 in 💨 9 mph H 76%30.21 inHg

12:00 PM

Mostly sunny

87° 💧 None 💨 9 mph H 67%30.21 inHg

1:00 PM

Mostly sunny

89° 💧 None 💨 9 mph H 63%30.21 inHg

2:00 PM

Strong thunderstorm

90° 💧 None 💨 8 mph H 61%30.18 inHg

3:00 PM

Partly cloudy

90° 💧 0.001 in 💨 8 mph H 60%30.15 inHg

4:00 PM

Mostly sunny

90° 💧 0.001 in 💨 8 mph H 59%30.15 inHg

5:00 PM

Sunny

90° 💧 0.002 in 💨 7 mph H 60%30.12 inHg

6:00 PM

Light rain

87° 💧 0.005 in 💨 7 mph H 69%30.12 inHg

7:00 PM

Sunny

83° 💧 0.003 in 💨 3 mph H 79%30.12 inHg

8:00 PM

Clear night

82° 💧 None 💨 1 mph H 81%30.15 inHg

9:00 PM

Clear night

81° 💧 None 💨 2 mph H 82%30.18 inHg

10:00 PM

Clear night

79° 💧 None 💨 2 mph H 86%30.18 inHg

11:00 PM

Clear night

77° 💧 None 💨 4 mph H 91%30.18 inHg

Thursday

12:00 AM

Clear night

77° 💧 None 💨 5 mph H 89%30.18 inHg

1:00 AM

Clear night

77° 💧 None 💨 6 mph H 85%30.18 inHg

2:00 AM

Clear night

77° 💧 None 💨 7 mph H 80%30.18 inHg

3:00 AM

Clear night

77° 💧 None 💨 9 mph H 78%30.15 inHg

4:00 AM

Clear night

77° 💧 None 💨 9 mph H 77%30.15 inHg

5:00 AM

Clear night

77° 💧 None 💨 9 mph H 77%30.15 inHg

6:00 AM

Clear night

76° 💧 None 💨 8 mph H 77%30.18 inHg

7:00 AM

Sunny

76° 💧 None 💨 7 mph H 78%30.18 inHg

8:00 AM

Sunny

78° 💧 None 💨 6 mph H 76%30.21 inHg

9:00 AM

Partly cloudy

81° 💧 None 💨 6 mph H 71%30.18 inHg

10:00 AM

Partly cloudy

84° 💧 None 💨 7 mph H 65%30.21 inHg

11:00 AM

Overcast

86° 💧 None 💨 6 mph H 63%30.21 inHg

12:00 PM

Overcast

88° 💧 None 💨 4 mph H 62%30.18 inHg

1:00 PM

Mostly cloudy

89° 💧 None 💨 4 mph H 61%30.18 inHg

2:00 PM

Mostly cloudy

90° 💧 None 💨 5 mph H 61%30.15 inHg

3:00 PM

Partly cloudy

91° 💧 None 💨 5 mph H 59%30.12 inHg

4:00 PM

Light thunderstorms

89° 💧 0.005 in 💨 6 mph H 61%30.12 inHg

5:00 PM

Light thunderstorms

87° 💧 0.004 in 💨 6 mph H 65%30.12 inHg

6:00 PM

Mostly cloudy

85° 💧 0.001 in 💨 4 mph H 72%30.12 inHg

7:00 PM

Mostly cloudy

82° 💧 0.000 in 💨 4 mph H 79%30.12 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 3 mph H 85%30.15 inHg

9:00 PM

Overcast night

79° 💧 None 💨 4 mph H 87%30.15 inHg

10:00 PM

Overcast night

78° 💧 None 💨 7 mph H 87%30.18 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 8 mph H 88%30.18 inHg

Friday

12:00 AM

Clear night

75° 💧 None 💨 8 mph H 91%30.18 inHg

1:00 AM

Clear night

73° 💧 None 💨 9 mph H 92%30.18 inHg

2:00 AM

Clear night

72° 💧 None 💨 8 mph H 91%30.18 inHg

3:00 AM

Clear night

71° 💧 None 💨 7 mph H 89%30.18 inHg

4:00 AM

Mostly clear night

70° 💧 None 💨 7 mph H 88%30.18 inHg

5:00 AM

Clear night

70° 💧 None 💨 6 mph H 88%30.18 inHg

6:00 AM

Mostly clear night

70° 💧 None 💨 6 mph H 88%30.18 inHg

7:00 AM

Overcast

70° 💧 None 💨 6 mph H 87%30.21 inHg

10:00 AM

Overcast

74° 💧 None 💨 6 mph H 78%30.21 inHg

1:00 PM

Overcast

83° 💧 None 💨 6 mph H 65%30.15 inHg

4:00 PM

Mostly cloudy

84° 💧 None 💨 4 mph H 62%30.06 inHg

7:00 PM

Mostly cloudy night

80° 💧 None 💨 8 mph H 71%30.06 inHg

10:00 PM

Clear night

73° 💧 None 💨 10 mph H 81%30.06 inHg

Saturday

1:00 AM

Clear night

72° 💧 None 💨 9 mph H 83%30.03 inHg

4:00 AM

Light rain

70° 💧 None 💨 12 mph H 92%30.00 inHg

7:00 AM

Mostly cloudy

70° 💧 None 💨 10 mph H 95%29.97 inHg

10:00 AM

Mostly cloudy

80° 💧 None 💨 7 mph H 79%29.97 inHg

1:00 PM

Overcast

88° 💧 None 💨 9 mph H 59%29.88 inHg

4:00 PM

Overcast

89° 💧 None 💨 8 mph H 53%29.85 inHg

7:00 PM

Mostly clear night

83° 💧 None 💨 7 mph H 63%29.83 inHg

10:00 PM

Moderate rain

78° 💧 None 💨 3 mph H 85%29.85 inHg

Sunday

1:00 AM

Light rain

75° 💧 None 💨 3 mph H 94%29.88 inHg

4:00 AM

Mostly clear night

72° 💧 None 💨 2 mph H 97%29.85 inHg

7:00 AM

Overcast

71° 💧 None 💨 6 mph H 97%29.91 inHg

10:00 AM

Moderate rain

72° 💧 None 💨 8 mph H 96%29.94 inHg

1:00 PM

Overcast

80° 💧 None 💨 6 mph H 73%29.91 inHg

4:00 PM

Mostly cloudy

80° 💧 None 💨 7 mph H 73%29.88 inHg

7:00 PM

Partly cloudy night

75° 💧 None 💨 9 mph H 84%29.91 inHg

10:00 PM

Mostly clear night

71° 💧 None 💨 10 mph H 87%29.94 inHg

Monday

1:00 AM

Clear night

69° 💧 None 💨 10 mph H 89%29.94 inHg

4:00 AM

Clear night

67° 💧 None 💨 8 mph H 92%29.91 inHg

7:00 AM

Sunny

67° 💧 None 💨 7 mph H 94%29.91 inHg

1:00 PM

Sunny

86° 💧 None 💨 3 mph H 65%29.88 inHg

7:00 PM

Clear night

72° 💧 None 💨 6 mph H 96%29.88 inHg

Tuesday

1:00 AM

Mostly clear night

70° 💧 None 💨 1 mph H 98%29.94 inHg

7:00 AM

Overcast

68° 💧 None 💨 8 mph H 95%30.00 inHg

1:00 PM

Overcast

77° 💧 None 💨 9 mph H 67%30.03 inHg

7:00 PM

Clear night

71° 💧 None 💨 6 mph H 72%30.03 inHg

Wednesday

1:00 AM

Clear night

63° 💧 None 💨 4 mph H 93%30.09 inHg

7:00 AM

Sunny

60° 💧 None 💨 4 mph H 97%30.12 inHg

1:00 PM

Sunny

74° 💧 None 💨 7 mph H 57%30.12 inHg

7:00 PM

Clear night

69° 💧 None 💨 5 mph H 70%30.09 inHg

Thursday

1:00 AM

Clear night

62° 💧 None 💨 3 mph H 90%30.12 inHg

7:00 AM

Sunny

60° 💧 None 💨 2 mph H 95%30.12 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 3 mph H 63%30.09 inHg

7:00 PM

Overcast night

72° 💧 None 💨 2 mph H 82%30.03 inHg

Friday

1:00 AM

Partly cloudy night

67° 💧 None 💨 6 mph H 93%30.03 inHg

7:00 AM

Mostly cloudy

65° 💧 None 💨 8 mph H 94%30.03 inHg

1:00 PM

Partly cloudy

79° 💧 None 💨 7 mph H 63%30.03 inHg

7:00 PM

Light rain

71° 💧 None 💨 10 mph H 78%30.00 inHg

Saturday

1:00 AM

Partly cloudy night

66° 💧 None 💨 8 mph H 92%30.03 inHg

7:00 AM

Partly cloudy

64° 💧 None 💨 8 mph H 95%30.03 inHg

1:00 PM

Light rain

74° 💧 None 💨 9 mph H 73%30.03 inHg

7:00 PM

Light rain

69° 💧 None 💨 6 mph H 92%30.00 inHg

Sunday

1:00 AM

Mostly clear night

65° 💧 None 💨 8 mph H 91%30.03 inHg

7:00 AM

Mostly cloudy

63° 💧 None 💨 7 mph H 94%30.03 inHg

1:00 PM

Overcast

78° 💧 None 💨 11 mph H 57%30.00 inHg

7:00 PM

Clear night

71° 💧 None 💨 6 mph H 71%29.94 inHg

Monday

1:00 AM

Clear night

66° 💧 None 💨 8 mph H 84%29.97 inHg

7:00 AM

Sunny

61° 💧 None 💨 7 mph H 92%29.97 inHg

1:00 PM

Mostly sunny

78° 💧 None 💨 8 mph H 63%29.94 inHg

7:00 PM

Mostly cloudy night

73° 💧 None 💨 6 mph H 75%29.88 inHg

Tuesday

1:00 AM

Clear night

67° 💧 None 💨 6 mph H 88%29.88 inHg

7:00 AM

Sunny

63° 💧 None 💨 4 mph H 94%29.94 inHg

1:00 PM

Sunny

80° 💧 None 💨 5 mph H 59%29.91 inHg

7:00 PM

Partly cloudy night

75° 💧 None 💨 3 mph H 73%29.88 inHg

Wednesday

1:00 AM

Mostly clear night

68° 💧 None 💨 3 mph H 87%29.91 inHg

7:00 AM

Mostly cloudy

68° 💧 None 💨 2 mph H 90%29.97 inHg

In Arthur and, more broadly, across the state of Illinois: As the afternoon winds down, temperatures remain warm, ranging from the mid-70s to the low 90s. The sky features a mix of sun and clouds, creating a partly cloudy evening. There is a high likelihood of rain, with the possibility of about 0.16 inches accumulating overnight. Winds will generally be moderate from the west, reaching up to 14 mph, with gusts possibly gusting to 18 mph. Expect the weather to be humid and unsettled during the evening hours, with rain showers likely to continue into the night. Be prepared for changing conditions if you plan to be outdoors later today.

15-Day Weather Outlook for Arthur

TomorrowTomorrow

Thunderstorms 90°/72° 💧 None 💨 11 mph

Thursday, Sep 17Thu Sep 17

Light thunderstorms 91°/76° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 84°/70° 💧 0.763 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 89°/70° 💧 0.244 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 80°/71° 💧 0.482 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Sunny 86°/67° 💧 0.216 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Overcast 77°/68° 💧 0.014 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Sunny 74°/60° 💧 None 💨 7 mph

Thursday, Sep 24Thu Sep 24

Overcast 75°/60° 💧 0.017 in 💨 3 mph

Friday, Sep 25Fri Sep 25

Light rain 79°/65° 💧 0.758 in 💨 10 mph

Saturday, Sep 26Sat Sep 26

Light rain 74°/64° 💧 0.245 in 💨 9 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 78°/63° 💧 0.044 in 💨 11 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 78°/61° 💧 None 💨 8 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 80°/63° 💧 0.005 in 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 68°/68° 💧 0.001 in 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Arthur

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Arthur

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 4,3µg/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 4,8µg/m³

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

O₃ Ozone Fair 84,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,3µg/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 Arthur

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 6,9High 🙂Fair

Tomorrow UV 6,3High 😐Moderate

Thursday UV 4,7Moderate 😐Moderate

Friday UV 6,9High 😐Moderate

Saturday UV 4,0Moderate 🙂Fair

Sunday UV 9,0Very high —Unavailable

Monday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,2 6:00 PMUV 0,2 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. High humidity can make it feel hotter.

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 Arthur

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ARTHUR, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

97/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:34 PM–5:04 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 19% Waxing Crescent · Moon about 1° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 11° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min25%

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.

Hermosa Beach US · California · 19,063 residents Braybrook AU · Victoria · 9,682 residents Shamley Green GB · England · 1,200 residents Idledale US · Colorado · 297 residents Bentonville US · Arkansas · 58,249 residents Saskatoon CA · Saskatchewan · 273,454 residents Strathmore US · New Jersey · 6,708 residents Blackville CA · New Brunswick · 1,996 residents McCloud US · California · 829 residents Buffalo US · New York · 276,854 residents Enterprise US · Utah · 1,955 residents Boonsboro US · Maryland · 3,809 residents Detroit US · Michigan · 638,530 residents Montréal CA · Quebec · 2,668,723 residents Winnellie AU · Northern Territory · 197 residents Potten End GB · England · 1,270 residents

Forecast data for Arthur were last refreshed today at 4:57 PM. The current forecast period extends through 17/09/2026 at 2:00 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.