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

Weather in Preemption, Illinois

Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →

Preemption, IL
Sunday, May 17 at 3:46 AM
71
°
Overcast
Feels like
70°
Humidity
71%
Wind
10 mph
Sunrise
5:42 AM
Sunset
8:15 PM
Preemption, IL
Hour by hour · 24h
64°
10p
63°
11p
64°
12a
63°
1a
61°
2a
61°
14%
3a
57°
21%
4a
58°
12%
5a
56°
6a
56°
7a
57°
8a
60°
9a
63°
10a
67°
11a
71°
12p
74°
1p
77°
2p
79°
3p
80°
4p
80°
5p
79°
6p
78°
7p
77°
8p
74°
9p
L 56°H 80°
Preemption, IL
7-day forecast
  1. Today
    May 16
    Heavy Rain
    61%
    80°61°
  2. Sunday
    May 17
    Drizzle
    58%
    86°64°
  3. Monday
    May 18
    Light Rain
    74%
    81°65°
  4. Tuesday
    May 19
    Showers
    73%
    70°50°
  5. Wednesday
    May 20
    Overcast
    61°43°
  6. Thursday
    May 21
    Overcast
    65°43°
  7. Friday
    May 22
    Overcast
    11%
    64°52°
Preemption, IL
Anemometer · 24h winds · from true
NESW
From · True
S
170° · veering 101°
Direction
S
170°
Sustained
10
mph
Gust
20
mph
Peak 24h
26
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 26 @ 12:00a
−24h−18h−12h−6hnow
Light breeze veering 101° from the s.
Preemption, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
982.7
-1.1 mb in 3h · falling rapidly · 29.02 inHg
Now
982.7
mb
3h
-1.1
mb
12h
+0.8
mb
24h
+2.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979984
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Preemption, IL
Air quality
42
AQI
Good
PM 2.5
4.6 μg/m³
PM 10
5.4 μg/m³
NO₂
10.5 μg/m³
Ozone
48.0 μg/m³
UV Index
0.0 Low
Preemption, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:12 AM
Sunrise
5:42 AM
Daylight
14h 33m
Sunset
8:15 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Preemption, IL
The moon
New Moon
0% illuminated
Moonrise
10:47 AM
Moonset
1:46 AM
In sign
♊︎ Gemini
Preemption, IL
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Preemption at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 24 (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 Preemption

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.