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Weather Conditions for New Grand Chain, Illinois : Pulaski County
Issued: 8:46 am CDT Sep 4, 2026 Latitude: 37.2519964 Longitude: -89.0211814 View on Google Maps

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This Afternoon Tonight Saturday Sunday Labor Day Tuesday Wednesday Thursday
20% chance of rain on This Afternoon Clear on Tonight Sunny on Saturday Sunny on Sunday Sunny on Labor Day Sunny on Tuesday Sunny on Wednesday 10% chance of thunderstorms on Thursday
High: 98°F Low: 75°F High: 98°F High: 95°F High: 92°F High: 94°F High: 97°F High: 95°F
Low: 72°F Low: 66°F Low: 68°F Low: 73°F Low: 75°F  
Rain Clear Sunny Sunny Sunny Sunny Sunny Thunderstorms
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
95°
Feels like 105°F
Clear
as of 11:35 AM CDST
Rel. Humidity: 50%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
3 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
95°
Feels like 109°F
Clear
as of 11:35 AM CDST
Rel. Humidity: 56%
Dew Point: 77°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
20% chance of rain This Afternoon This Afternoon... A 20 percent chance of showers after 1pm. Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind.

Clear on Tonight Tonight... Clear, with a low around 75. Calm wind.

Sunny on Saturday Saturday... Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 72. Calm wind.

Sunny on Sunday Sunday... Sunny, with a high near 95. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 66. Northeast wind 3 to 6 mph.

Sunny on Labor Day Labor Day... Sunny, with a high near 92. East northeast wind 3 to 5 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 68. Light east wind.

Sunny on Tuesday Tuesday... Sunny, with a high near 94. Light south wind.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 73. Calm wind becoming south around 5 mph after midnight.

Sunny on Wednesday Wednesday... Sunny and hot, with a high near 97. South southwest wind 5 to 8 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 75. South wind 3 to 6 mph.

10% chance of thunderstorms Thursday Thursday... A slight chance of showers and thunderstorms. Sunny, with a high near 95. Southwest wind 6 to 8 mph.

Sun Almanac for New Grand Chain, Illinois
Astronomical Sunrise 04:59 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 05:32 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:03 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 06:29 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 12 Hours 52 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 7:21 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 7:47 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 8:18 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 8:51 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 13 Hours 44 Minutes
Nautical Rise to Set: 14 Hours 46 Minutes
Astro Rise to Set: 15 Hours 52 Minutes

Click for yearly Sun Almanac for New Grand Chain
Moon Almanac for New Grand Chain, Illinois
Moon Phase: Last Quarter
Moon Illumination: 46%
Moon Age: 22.5 Days
Moon is currently above the horizon
Distance from Moon to Earth: 225,976 miles
Upcoming Lunar Events for
New Grand Chain:
Next EventEvent TimeIllum

Moonset:02:44 pm Fri44.8%
Moonrise:11:58 pm Fri40.4%
High Moon:07:53 am Sat36.6%
Moonset:03:47 pm Sat33.0%
New Moon: Wed Aug 12
First Quarter: Wed Aug 19
Full Moon: Fri Aug 28
Last Quarter: Fri Sep 4
New Moon: Thu Sep 10
Click for Monthly Moon Almanac
Illinois' Current Temperatures
Illinois' Current Temperature Map


Illinois' Satellite ImageIllinois Satellite Image

Illinois' Current Wind DirectionIllinois' Current Wind Direction

National Summary
of upper and lower values of current conditions amongst 7223 locations
in the contiguous United States
High
Temp
99° Mount Carmel Municipal, Illinois
and 3 other locations
Low
Temp
39° Mullan Pass, Idaho
Wind
Speed
28mph Tooele, Utah
and 2 other locations
Wind
Gust
39mph Tooele, Utah
Wind
Chill
41° Berthoud Pass, Colorado
Heat
Index
174° Blackstone/Fort, Virginia
High
Pressure
30.72Hg Salida Mountain, Colorado
Low
Pressure
29.72Hg Havre, Montana
# Locations Reporting Rain 63
# Locations Reporting Thunderstorms / Lightning 28
# Locations Reporting Fog 6
Average Temperature in the Contiguous USA 80°
Illinois State Summary
of upper and lower values of current conditions amongst 34 locations
in Illinois
High
Temp
99° Mount Carmel Municipal
Low
Temp
73° Waukegan
Wind
Speed
18mph West Chicago
Wind
Gust
26mph West Chicago
Heat
Index
109° Cairo
High
Pressure
30.03Hg Metropolis Municipal Arp
and 5 other locations
Low
Pressure
29.95Hg Savanna
Average temperature in Illinois 91°
# Locations Reporting Rain 1
# Locations Reporting Thunderstorms 1
# Locations Reporting VFR
(Visual Flight Rules)
34