Feels like77°FWind direction westGusts —Humidity 70%Cloud cover 100%Pressure 29.85 inHg
Sunny
71°💧 None💨 4 mphH 81%29.91 inHg
Feels like74°FWind direction northwestGusts —Humidity 81%Cloud cover 3%Pressure 29.91 inHg
Sunday
Partly cloudy night
63°💧 None💨 5 mphH 86%30.03 inHg
Feels like63°FWind direction northGusts —Humidity 86%Cloud cover 56%Pressure 30.03 inHg
Partly cloudy
61°💧 None💨 4 mphH 80%30.09 inHg
Feels like60°FWind direction northGusts —Humidity 80%Cloud cover 72%Pressure 30.09 inHg
Overcast
73°💧 None💨 5 mphH 65%30.09 inHg
Feels like74°FWind direction eastGusts —Humidity 65%Cloud cover 100%Pressure 30.09 inHg
Moderate rain
64°💧 None💨 10 mphH 96%30.06 inHg
Feels like63°FWind direction northeastGusts —Humidity 96%Cloud cover 100%Pressure 30.06 inHg
Monday
Light rain
61°💧 None💨 8 mphH 93%30.09 inHg
Feels like60°FWind direction northeastGusts —Humidity 93%Cloud cover 100%Pressure 30.09 inHg
Overcast
64°💧 None💨 9 mphH 97%30.06 inHg
Feels like64°FWind direction eastGusts —Humidity 97%Cloud cover 99%Pressure 30.06 inHg
Overcast
74°💧 None💨 10 mphH 78%30.03 inHg
Feels like75°FWind direction eastGusts —Humidity 78%Cloud cover 97%Pressure 30.03 inHg
Mostly sunny
75°💧 None💨 8 mphH 89%29.85 inHg
Feels like79°FWind direction southeastGusts —Humidity 89%Cloud cover 16%Pressure 29.85 inHg
Tuesday
Partly cloudy night
80°💧 None💨 16 mphH 66%29.80 inHg
Feels like77°FWind direction southGusts —Humidity 66%Cloud cover 65%Pressure 29.80 inHg
Overcast
72°💧 None💨 12 mphH 89%29.88 inHg
Feels like72°FWind direction westGusts —Humidity 89%Cloud cover 98%Pressure 29.88 inHg
Partly cloudy
70°💧 None💨 9 mphH 67%30.06 inHg
Feels like67°FWind direction northwestGusts —Humidity 67%Cloud cover 65%Pressure 30.06 inHg
Mostly sunny
64°💧 None💨 3 mphH 79%30.15 inHg
Feels like64°FWind direction northwestGusts —Humidity 79%Cloud cover 27%Pressure 30.15 inHg
Wednesday
Clear night
57°💧 None💨 6 mphH 84%30.27 inHg
Feels like55°FWind direction northGusts —Humidity 84%Cloud cover 0%Pressure 30.27 inHg
Sunny
54°💧 None💨 4 mphH 91%30.36 inHg
Feels like52°FWind direction northGusts —Humidity 91%Cloud cover 0%Pressure 30.36 inHg
Partly cloudy
72°💧 None💨 4 mphH 56%30.36 inHg
Feels like71°FWind direction northeastGusts —Humidity 56%Cloud cover 43%Pressure 30.36 inHg
Sunny
64°💧 None💨 6 mphH 76%30.36 inHg
Feels like63°FWind direction northeastGusts —Humidity 76%Cloud cover 6%Pressure 30.36 inHg
Thursday
Clear night
59°💧 None💨 4 mphH 88%30.39 inHg
Feels like58°FWind direction northeastGusts —Humidity 88%Cloud cover 7%Pressure 30.39 inHg
Partly cloudy
58°💧 None💨 2 mphH 91%30.39 inHg
Feels like59°FWind direction northGusts —Humidity 91%Cloud cover 60%Pressure 30.39 inHg
Partly cloudy
72°💧 None💨 6 mphH 57%30.39 inHg
Feels like71°FWind direction eastGusts —Humidity 57%Cloud cover 70%Pressure 30.39 inHg
Mostly sunny
65°💧 None💨 4 mphH 74%30.30 inHg
Feels like64°FWind direction northeastGusts —Humidity 74%Cloud cover 11%Pressure 30.30 inHg
Friday
Mostly clear night
59°💧 None💨 4 mphH 90%30.33 inHg
Feels like58°FWind direction northwestGusts —Humidity 90%Cloud cover 37%Pressure 30.33 inHg
Mostly sunny
57°💧 None💨 8 mphH 96%30.30 inHg
Feels like55°FWind direction northwestGusts —Humidity 96%Cloud cover 25%Pressure 30.30 inHg
Mostly sunny
62°💧 None💨 17 mphH 60%30.39 inHg
Feels like51°FWind direction northGusts —Humidity 60%Cloud cover 27%Pressure 30.39 inHg
Clear night
56°💧 None💨 11 mphH 60%30.42 inHg
Feels like47°FWind direction northGusts —Humidity 60%Cloud cover 5%Pressure 30.42 inHg
Saturday
Mostly clear night
52°💧 None💨 11 mphH 60%30.45 inHg
Feels like43°FWind direction northGusts —Humidity 60%Cloud cover 20%Pressure 30.45 inHg
Partly cloudy
49°💧 None💨 9 mphH 72%30.45 inHg
Feels like42°FWind direction northGusts —Humidity 72%Cloud cover 73%Pressure 30.45 inHg
Overcast
57°💧 None💨 8 mphH 70%30.45 inHg
Feels like52°FWind direction northeastGusts —Humidity 70%Cloud cover 99%Pressure 30.45 inHg
Clear night
53°💧 None💨 4 mphH 72%30.39 inHg
Feels like50°FWind direction northeastGusts —Humidity 72%Cloud cover 2%Pressure 30.39 inHg
Sunday
Clear night
49°💧 None💨 4 mphH 86%30.36 inHg
Feels like46°FWind direction northGusts —Humidity 86%Cloud cover 3%Pressure 30.36 inHg
Mostly sunny
49°💧 None💨 0 mphH 89%30.42 inHg
Feels like48°FWind direction westGusts —Humidity 89%Cloud cover 12%Pressure 30.42 inHg
Mostly sunny
62°💧 None💨 6 mphH 55%30.36 inHg
Feels like58°FWind direction eastGusts —Humidity 55%Cloud cover 36%Pressure 30.36 inHg
Clear night
54°💧 None💨 4 mphH 71%30.33 inHg
Feels like50°FWind direction eastGusts —Humidity 71%Cloud cover 0%Pressure 30.33 inHg
Monday
Clear night
52°💧 None💨 3 mphH 86%30.30 inHg
Feels like49°FWind direction southGusts —Humidity 86%Cloud cover 0%Pressure 30.30 inHg
Mostly sunny
49°💧 None💨 4 mphH 84%30.33 inHg
Feels like45°FWind direction southGusts —Humidity 84%Cloud cover 12%Pressure 30.33 inHg
In Lake Catherine and, more broadly, across the state of Illinois:
The evening will feature a mix of sun and clouds, with temperatures remaining mild to warm, ranging from 76 to 78 degrees Fahrenheit. Winds will be light and coming from the east, with speeds up to 8 mph, occasionally gusting to 18 mph. No precipitation is expected during this time, making for a relatively calm and pleasant evening. The weather should remain stable through the next few hours, with comfortable conditions and no significant weather disturbances anticipated. Overall, it’s a good evening for outdoor activities or relaxing outside. Temperatures will gradually stay steady, and the breeze will provide a gentle refreshment as the night progresses.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
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 Lake Catherine
Maximum daily UVToday, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low3–5 Moderate6–7 High8–10 Very high11+ Extreme
DayMaximum UVAir quality
TodayUV 7,2High😐Moderate
TomorrowUV 7,1High😐Moderate
TuesdayUV 6,5High😐Moderate
WednesdayUV 3,7Moderate🙂Fair
ThursdayUV 5,8Moderate🙂Fair
FridayUV 6,0High—Unavailable
SaturdayUV 7,0High—Unavailable
Hourly UV index today
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.
🌬️
Caution for sensitive people
People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.
💧
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 Lake Catherine
Vertical axis: mph · Horizontal axis: hours
mph
Sustained windMax gusts
NIGHT SKY · LAKE CATHERINE, ILLINOIS
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.
93/100Best-hour score
BEST TIME TONIGHT5:00 AM–6:00 AM
Astronomical darkness: 8:56 PM–4:46 AM
☁Cloud cover7%
Real hourly forecast for the best viewing hour.
☾Moonlight21%
Waning Crescent · Moon about 29° above the horizon at the best viewing hour.
☄Meteor activitySeptember ε-Perseids
Reference ZHR 8 · Radiant 88° high at the best hour.
✦Estimated visible meteors1–4/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min75%
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 NEARBYWeather in other cities⌄
Explore current conditions and forecasts for other locations.
Forecast data for Lake Catherine were last refreshed today at 6:55 PM. The current forecast period extends through 08/09/2026 at 4:00 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.