Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in New Grand Chain, Illinois

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

New Grand Chain, IL
Sunday, May 17 at 4:06 AM
73
°
Overcast
Feels like
75°
Humidity
77%
Wind
9 mph
Sunrise
5:46 AM
Sunset
7:58 PM
New Grand Chain, IL
Hour by hour · 24h
56°
11p
56°
12a
56°
1a
55°
2a
54°
3a
54°
4a
54°
5a
54°
6a
58°
7a
62°
8a
67°
9a
71°
10a
74°
11a
77°
12p
79°
1p
81°
2p
81°
3p
83°
4p
80°
5p
79°
6p
78°
7p
76°
8p
74°
9p
74°
10p
L 54°H 83°
New Grand Chain, IL
7-day forecast
  1. Today
    May 16
    Thunderstorm
    21%
    83°72°
  2. Sunday
    May 17
    Mostly Clear
    87°65°
  3. Monday
    May 18
    Drizzle
    43%
    85°70°
  4. Tuesday
    May 19
    Light Showers
    74%
    88°66°
  5. Wednesday
    May 20
    Light Showers
    74%
    69°61°
  6. Thursday
    May 21
    Rain
    23%
    60°57°
  7. Friday
    May 22
    Light Showers
    38%
    77°60°
New Grand Chain, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
166° · backing 16°
Direction
SSE
166°
Sustained
9
mph
Gust
18
mph
Peak 24h
24
avg 9
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 9 · pk 24 @ 4:00p
−24h−18h−12h−6hnow
Light breeze backing 16° from the sse.
New Grand Chain, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
998.4
-0.3 mb in 3h · steady · 29.48 inHg
Now
998.4
mb
3h
-0.3
mb
12h
-0.9
mb
24h
+0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9981001
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
New Grand Chain, IL
Air quality
50
AQI
Good
PM 2.5
5.1 μg/m³
PM 10
5.5 μg/m³
NO₂
3.9 μg/m³
Ozone
92.0 μg/m³
UV Index
0.0 Low
New Grand Chain, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:18 AM
Sunrise
5:46 AM
Daylight
14h 12m
Sunset
7:58 PM
Civil dusk
1:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
New Grand Chain, IL
The moon
New Moon
0% illuminated
Moonrise
10:55 AM
Moonset
1:25 AM
In sign
♊︎ Gemini
New Grand Chain, IL
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

New Grand Chain at a glance

  • Today vs. normal: 73°F — typical for the season
  • Last frost: March 31 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in New Grand Chain

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.