Powered by WEATHER-INFO.COM
Your new global weather portal

Now · 6:22 AM

Irwin Weather & Hourly Forecast

United States · Illinois · 60901

Clear night
60°F
Clear night
Feels like: 58°F
💧 Humidity 82% 🌡 Pressure 30.00 inHg 💨 Wind 5 mph 👁 Visibility 18.3 mi Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Irwin

Today
Sunny · 7:00 AM Sunny
60° 💧 None 💨 5 mph H 81%30.00 inHg
Sunny · 10:00 AM Sunny
71° 💧 None 💨 5 mph H 64%30.00 inHg
Sunny · 1:00 PM Sunny
79° 💧 0.000 in 💨 6 mph H 51%29.97 inHg
Mostly cloudy · 4:00 PM Mostly cloudy
82° 💧 None 💨 3 mph H 45%29.88 inHg
Mostly sunny · 7:00 PM Mostly sunny
76° 💧 None 💨 1 mph H 70%29.85 inHg
Clear night · 10:00 PM Clear night
69° 💧 None 💨 3 mph H 81%29.88 inHg
Tomorrow
Clear night · 1:00 AM Clear night
68° 💧 None 💨 5 mph H 85%29.88 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
67° 💧 None 💨 6 mph H 92%29.85 inHg
Mostly sunny · 7:00 AM Mostly sunny
67° 💧 None 💨 6 mph H 94%29.88 inHg
Sunny · 10:00 AM Sunny
78° 💧 None 💨 7 mph H 75%29.88 inHg
Overcast · 1:00 PM Overcast
84° 💧 None 💨 8 mph H 54%29.88 inHg
Mostly sunny · 4:00 PM Mostly sunny
85° 💧 None 💨 8 mph H 54%29.83 inHg
Sunny · 7:00 PM Sunny
79° 💧 None 💨 4 mph H 70%29.85 inHg
Mostly cloudy night · 10:00 PM Mostly cloudy night
74° 💧 None 💨 5 mph H 84%29.94 inHg
Sunday
Clear night · 1:00 AM Clear night
70° 💧 None 💨 4 mph H 94%29.94 inHg
Clear night · 4:00 AM Clear night
68° 💧 None 💨 6 mph H 95%29.97 inHg

In Irwin and, more broadly, across the state of Illinois: This morning, the sky will feature a mix of sun and clouds, with temperatures starting in the mid-60s. Winds will be light out of the southeast at around 8 mph, with occasional gusts up to 16 mph. As the day progresses, temperatures are expected to rise into the lower 80s, creating warm and mild conditions. There is a small chance of light rain, with possible accumulation around 0.01 inches, and the probability of rain remains low at about 20%. Winds will continue to be light and from the southeast, maintaining a gentle breeze throughout the day. Overall, expect a warm and partly cloudy day, with a slight possibility of brief, light showers.

15-Day Weather Outlook for Irwin

TomorrowTomorrow Mostly sunny Mostly sunny 86°/67° 💧 None 💨 9 mph
Sunday, Sep 13Sun Sep 13 Mostly sunny Mostly sunny 81°/64° 💧 0.024 in 💨 7 mph
Monday, Sep 14Mon Sep 14 Moderate rain Moderate rain 78°/63° 💧 0.269 in 💨 11 mph
Tuesday, Sep 15Tue Sep 15 Mostly sunny Mostly sunny 92°/72° 💧 None 💨 13 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 85°/69° 💧 0.034 in 💨 7 mph
Thursday, Sep 17Thu Sep 17 Overcast Overcast 79°/75° 💧 0.281 in 💨 9 mph
Friday, Sep 18Fri Sep 18 Mostly cloudy Mostly cloudy 82°/67° 💧 0.162 in 💨 8 mph
Saturday, Sep 19Sat Sep 19 Light rain Light rain 76°/61° 💧 0.014 in 💨 11 mph
Sunday, Sep 20Sun Sep 20 Heavy rain Heavy rain 66°/57° 💧 1.101 in 💨 16 mph
Monday, Sep 21Mon Sep 21 Mostly sunny Mostly sunny 68°/50° 💧 0.007 in 💨 13 mph
Tuesday, Sep 22Tue Sep 22 Mostly cloudy Mostly cloudy 62°/50° 💧 None 💨 9 mph
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 61°/50° 💧 None 💨 11 mph
Thursday, Sep 24Thu Sep 24 Overcast Overcast 63°/46° 💧 None 💨 9 mph
Friday, Sep 25Fri Sep 25 Sunny Sunny 65°/46° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Irwin

Vertical axis: °F · Color based on temperature
Sunny at 7:00 AM
60° Today 7:00 AM
Sunny at 8:00 AM
63° 8:00 AM
Sunny at 9:00 AM
67° 9:00 AM
Sunny at 10:00 AM
71° 10:00 AM
Sunny at 11:00 AM
75° Today 11:00 AM
Sunny at 12:00 PM
77° 12:00 PM
Sunny at 1:00 PM
79° 1:00 PM
Sunny at 2:00 PM
80° 2:00 PM
Mostly sunny at 3:00 PM
82° Today 3:00 PM
Mostly cloudy at 4:00 PM
82° 4:00 PM
Mostly cloudy at 5:00 PM
81° 5:00 PM
Mostly sunny at 6:00 PM
79° 6:00 PM
Mostly sunny at 7:00 PM
76° Today 7:00 PM
Clear night at 8:00 PM
73° 8:00 PM
Clear night at 9:00 PM
71° 9:00 PM
Clear night at 10:00 PM
69° 10:00 PM
Clear night at 11:00 PM
68° Today 11:00 PM
Clear night at 12:00 AM
68° 12:00 AM
Clear night at 1:00 AM
68° 1:00 AM
Clear night at 2:00 AM
68° 2:00 AM
Mostly clear night at 3:00 AM
67° Tomorrow 3:00 AM
Mostly cloudy night at 4:00 AM
67° 4:00 AM
Mostly clear night at 5:00 AM
67° 5:00 AM
Clear night at 6:00 AM
67° 6:00 AM
Mostly sunny at 7:00 AM
67° Tomorrow 7:00 AM
Sunny at 8:00 AM
70° 8:00 AM
Sunny at 9:00 AM
74° 9:00 AM
Sunny at 10:00 AM
78° 10:00 AM
Sunny at 11:00 AM
81° Tomorrow 11:00 AM
Mostly sunny at 12:00 PM
83° 12:00 PM
Overcast at 1:00 PM
84° 1:00 PM
Partly cloudy at 2:00 PM
85° 2:00 PM
Mostly sunny at 3:00 PM
86° Tomorrow 3:00 PM
Mostly sunny at 4:00 PM
85° 4:00 PM
Mostly sunny at 5:00 PM
84° 5:00 PM
Partly cloudy at 6:00 PM
82° 6:00 PM
Sunny at 7:00 PM
79° Tomorrow 7:00 PM
Mostly clear night at 8:00 PM
77° 8:00 PM
Partly cloudy night at 9:00 PM
75° 9:00 PM
Mostly cloudy night at 10:00 PM
74° 10:00 PM
Partly cloudy night at 11:00 PM
73° Tomorrow 11:00 PM
Clear night at 12:00 AM
72° 12:00 AM
Clear night at 1:00 AM
70° 1:00 AM
Clear night at 2:00 AM
69° 2:00 AM
Mostly clear night at 3:00 AM
69° Sunday 3:00 AM
Clear night at 4:00 AM
68° 4:00 AM
Mostly clear night at 5:00 AM
67° 5:00 AM
Partly cloudy night at 6:00 AM
65° 6:00 AM
Mostly cloudy at 7:00 AM
64° Sunday 7:00 AM
Overcast at 4:00 PM
81° 4:00 PM
Light rain at 7:00 PM
73° 7:00 PM
Light rain at 10:00 PM
64° 10:00 PM
Moderate rain at 1:00 AM
64° Monday 1:00 AM
Mostly cloudy night at 4:00 AM
63° 4:00 AM
Overcast at 7:00 AM
63° 7:00 AM
Light rain at 10:00 AM
65° 10:00 AM
Light rain at 1:00 PM
71° Monday 1:00 PM
Sunny at 4:00 PM
78° 4:00 PM
Sunny at 7:00 PM
74° 7:00 PM
Clear night at 10:00 PM
72° 10:00 PM
Mostly cloudy night at 1:00 AM
74° Tuesday 1:00 AM
Clear night at 4:00 AM
74° 4:00 AM
Sunny at 7:00 AM
73° 7:00 AM
Sunny at 10:00 AM
82° 10:00 AM
Mostly sunny at 1:00 PM
91° Tuesday 1:00 PM
Mostly sunny at 4:00 PM
92° 4:00 PM
Sunny at 7:00 PM
84° 7:00 PM
Mostly cloudy night at 10:00 PM
76° 10:00 PM
Partly cloudy night at 1:00 AM
72° Wednesday 1:00 AM
Overcast night at 4:00 AM
71° 4:00 AM
Partly cloudy at 7:00 AM
69° 7:00 AM
Mostly sunny at 10:00 AM
77° 10:00 AM
Partly cloudy at 1:00 PM
85° Wednesday 1:00 PM
Overcast at 7:00 PM
79° 7:00 PM
Overcast night at 1:00 AM
78° 1:00 AM
Mostly sunny at 7:00 AM
75° 7:00 AM
Sunny at 1:00 PM
75° Thursday 1:00 PM
Mostly cloudy night at 7:00 PM
82° 7:00 PM
Mostly clear night at 1:00 AM
81° 1:00 AM
Mostly sunny at 7:00 AM
71° 7:00 AM
Partly cloudy at 1:00 PM
67° Friday 1:00 PM
Overcast night at 7:00 PM
76° 7:00 PM
Mostly cloudy night at 1:00 AM
67° 1:00 AM
Overcast at 7:00 AM
61° 7:00 AM
Light rain at 1:00 PM
61° Saturday 1:00 PM
Heavy rain at 7:00 PM
66° 7:00 PM
Overcast night at 1:00 AM
64° 1:00 AM
Overcast at 7:00 AM
62° 7:00 AM
Partly cloudy at 1:00 PM
57° Sunday 1:00 PM
Mostly clear night at 7:00 PM
68° 7:00 PM
Clear night at 1:00 AM
59° 1:00 AM
Sunny at 7:00 AM
54° 7:00 AM
Sunny at 1:00 PM
50° Monday 1:00 PM
Clear night at 7:00 PM
62° 7:00 PM
Mostly cloudy night at 1:00 AM
55° 1:00 AM
Overcast at 7:00 AM
51° 7:00 AM
Overcast at 1:00 PM
50° Tuesday 1:00 PM
Overcast night at 7:00 PM
61° 7:00 PM
Overcast night at 1:00 AM
58° 1:00 AM
Overcast at 7:00 AM
53° 7:00 AM
Overcast at 1:00 PM
50° Wednesday 1:00 PM
Overcast night at 7:00 PM
63° 7:00 PM
Mostly clear night at 1:00 AM
59° 1:00 AM
Sunny at 7:00 AM
51° 7:00 AM
Sunny at 1:00 PM
46° Thursday 1:00 PM
Clear night at 7:00 PM
65° 7:00 PM
Clear night at 1:00 AM
60° 1:00 AM
Sunny at 7:00 AM
51° 7:00 AM
Sunny at 1:00 PM
46° Friday 1:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Irwin

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 7:00 AM
PM2.5 Fine particles Good 6,9µg/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 28,1µg/m³

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

NO₂ Nitrogen dioxide Good 5,2µg/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 Irwin

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 6,8High 😊Good
Tomorrow UV 6,9High 🙂Fair
Sunday UV 6,6High 🙂Fair
Monday UV 4,5Moderate 🙂Fair
Tuesday UV 8,0Very high 🙂Fair
Wednesday UV 7,0High Unavailable
Thursday UV 5,0Moderate Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,5 9:00 AMUV 1,6 10:00 AMUV 3,2 11:00 AMUV 5,0 12:00 PMUV 6,4 1:00 PMUV 6,8 2:00 PMUV 6,1 3:00 PMUV 4,5 4:00 PMUV 2,6 5:00 PMUV 1,0 6:00 PMUV 0,2
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 Irwin

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 7:00 AM 8:00 AM 9:00 AM 10:00 AM Today 11:00 AM 12:00 PM 1:00 PM 2:00 PM Today 3:00 PM 4:00 PM 5:00 PM 6:00 PM Today 7:00 PM 8:00 PM 9:00 PM 10:00 PM Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Sunday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Sunday 7:00 AM 4:00 PM 7:00 PM 10:00 PM Monday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Monday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Tuesday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Tuesday 1:00 PM 4:00 PM 7:00 PM 10:00 PM Wednesday 1:00 AM 4:00 AM 7:00 AM 10:00 AM Wednesday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Thursday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Friday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Saturday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Sunday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Monday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Tuesday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Wednesday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Thursday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Friday 1:00 PM
Sustained wind Max gusts
NIGHT SKY · IRWIN, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

98/100Best-hour score
BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 8:42 PM–4:55 AM
Cloud cover 3% 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 49° 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 min71%
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.

Forecast data for Irwin were last refreshed today at 1:07 AM. The current forecast period extends through 13/09/2026 at 4:00 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.