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

Weather in Coulterville, Illinois

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

Coulterville, IL
Sunday, May 17 at 3:50 AM
74
°
Overcast
Feels like
72°
Humidity
71%
Wind
15 mph
Sunrise
5:46 AM
Sunset
8:03 PM
Coulterville, IL
Hour by hour · 24h
60°
10p
58°
11p
58°
12a
57°
1a
56°
2a
56°
3a
56°
4a
56°
5a
56°
6a
59°
7a
62°
10%
8a
62°
10%
9a
68°
10a
71°
11a
75°
12p
77°
1p
80°
2p
81°
3p
82°
4p
81°
5p
81°
6p
79°
7p
76°
8p
75°
9p
L 56°H 82°
Coulterville, IL
7-day forecast
  1. Today
    May 16
    Thunderstorm
    40%
    78°72°
  2. Sunday
    May 17
    Overcast
    86°67°
  3. Monday
    May 18
    Showers
    37%
    79°66°
  4. Tuesday
    May 19
    Showers
    82%
    82°61°
  5. Wednesday
    May 20
    Light Drizzle
    79%
    68°55°
  6. Thursday
    May 21
    Light Drizzle
    15%
    68°54°
  7. Friday
    May 22
    Light Drizzle
    26%
    65°55°
Coulterville, IL
Anemometer · 24h winds · from true
NESW
From · True
S
184° · backing 14°
Direction
S
184°
Sustained
15
mph
Gust
23
mph
Peak 24h
35
avg 9
Beaufort · 4 · MOD 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 35 @ 1:00p
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 23 — flags snap, branches bend.
Coulterville, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
992.0
+0.9 mb in 3h · rising · 29.29 inHg
Now
992.0
mb
3h
+0.9
mb
12h
-0.9
mb
24h
+1.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 991995
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Coulterville, IL
Air quality
37
AQI
Good
PM 2.5
4.6 μg/m³
PM 10
5.2 μg/m³
NO₂
3.6 μg/m³
Ozone
101.0 μg/m³
UV Index
0.0 Low
Coulterville, 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 17m
Sunset
8:03 PM
Civil dusk
1:33 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Coulterville, IL
The moon
New Moon
0% illuminated
Moonrise
10:54 AM
Moonset
1:30 AM
In sign
♊︎ Gemini
Coulterville, 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 →

Coulterville at a glance

  • Today vs. normal: 74°F — typical for the season
  • Last frost: April 5 (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 Coulterville

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.