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

Weather in Casey, Illinois

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

Casey, IL
Sunday, May 17 at 3:53 AM
64
°
Clear
Feels like
65°
Humidity
93%
Wind
5 mph
Sunrise
5:37 AM
Sunset
7:59 PM
Casey, IL
Hour by hour · 24h
55°
10p
53°
11p
52°
12a
53°
1a
52°
2a
52°
3a
52°
4a
53°
5a
52°
6a
53°
40%
7a
53°
60%
8a
52°
60%
9a
53°
36%
10a
57°
11a
60°
12p
64°
1p
67°
2p
71°
3p
75°
4p
77°
5p
77°
6p
76°
7p
72°
8p
70°
9p
L 52°H 77°
Casey, IL
7-day forecast
  1. Today
    May 16
    Drizzle
    90%
    73°63°
  2. Sunday
    May 17
    Overcast
    12%
    84°63°
  3. Monday
    May 18
    Rain
    63%
    84°67°
  4. Tuesday
    May 19
    Showers
    83%
    79°61°
  5. Wednesday
    May 20
    Overcast
    83%
    67°52°
  6. Thursday
    May 21
    Light Drizzle
    10%
    65°49°
  7. Friday
    May 22
    Light Drizzle
    27%
    61°53°
Casey, IL
Anemometer · 24h winds · from true
NESW
From · True
E
088° · backing 93°
Direction
E
088°
Sustained
5
mph
Gust
9
mph
Peak 24h
21
avg 7
Beaufort · 2 · LIGHT 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 7 · pk 21 @ 4:00a
−24h−18h−12h−6hnow
Light breeze backing 93° from the e.
Casey, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
989.4
0.0 mb in 3h · rising · 29.22 inHg
Now
989.4
mb
3h
0.0
mb
12h
-1.9
mb
24h
+1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 988992
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Casey, IL
Air quality
42
AQI
Good
PM 2.5
4.4 μg/m³
PM 10
5.0 μg/m³
NO₂
7.1 μg/m³
Ozone
71.0 μg/m³
UV Index
0.0 Low
Casey, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:08 AM
Sunrise
5:37 AM
Daylight
14h 22m
Sunset
7:59 PM
Civil dusk
1:30 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Casey, IL
The moon
New Moon
0% illuminated
Moonrise
10:44 AM
Moonset
1:28 AM
In sign
♊︎ Gemini
Casey, 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 →

Casey at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 12 (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 Casey

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.