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

Weather in Elwin, Illinois

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

Elwin, IL
Sunday, May 17 at 4:59 AM
64
°
Partly Cloudy
Feels like
66°
Humidity
92%
Wind
7 mph
Sunrise
5:39 AM
Sunset
8:04 PM
Elwin, IL
Hour by hour · 24h
57°
11p
57°
12a
57°
1a
57°
2a
57°
3a
56°
4a
56°
16%
5a
53°
74%
6a
52°
79%
7a
53°
61%
8a
52°
36%
9a
57°
15%
10a
60°
11a
63°
12p
67°
1p
69°
2p
73°
3p
75°
4p
77°
5p
75°
6p
74°
7p
70°
8p
69°
9p
67°
10p
L 52°H 77°
Elwin, IL
7-day forecast
  1. Today
    May 16
    Light Showers
    58%
    74°65°
  2. Sunday
    May 17
    Overcast
    84°64°
  3. Monday
    May 18
    Light Showers
    62%
    81°68°
  4. Tuesday
    May 19
    Light Showers
    87%
    79°59°
  5. Wednesday
    May 20
    Overcast
    57%
    67°50°
  6. Thursday
    May 21
    Overcast
    67°47°
  7. Friday
    May 22
    Light Drizzle
    12%
    60°53°
Elwin, IL
Anemometer · 24h winds · from true
NESW
From · True
SE
146° · backing 40°
Direction
SE
146°
Sustained
7
mph
Gust
13
mph
Peak 24h
39
avg 10
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 10 · pk 39 @ 12:00p
−24h−18h−12h−6hnow
Light breeze backing 40° from the se.
Elwin, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.9
-0.3 mb in 3h · steady · 29.11 inHg
Now
985.9
mb
3h
-0.3
mb
12h
-1.1
mb
24h
+1.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 984989
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Elwin, IL
Air quality
40
AQI
Good
PM 2.5
5.4 μg/m³
PM 10
5.8 μg/m³
NO₂
7.5 μg/m³
Ozone
64.0 μg/m³
UV Index
0.0 Low
Elwin, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:11 AM
Sunrise
5:39 AM
Daylight
14h 25m
Sunset
8:04 PM
Civil dusk
1:36 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Elwin, IL
The moon
New Moon
0% illuminated
Moonrise
10:46 AM
Moonset
1:34 AM
In sign
♊︎ Gemini
Elwin, 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 →

Elwin at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 15 (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 Elwin

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.