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

Weather in Morton, Illinois

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

Morton, IL
Sunday, May 17 at 1:40 AM
70
°
Overcast
Feels like
70°
Humidity
67%
Wind
6 mph
Sunrise
5:39 AM
Sunset
8:08 PM
Morton, IL
Hour by hour · 24h
66°
8p
63°
9p
61°
10p
60°
11p
60°
12a
59°
1a
59°
2a
60°
3a
59°
14%
4a
54°
69%
5a
52°
84%
6a
51°
40%
7a
53°
14%
8a
54°
9a
58°
10a
62°
11a
65°
12p
69°
1p
72°
2p
75°
3p
76°
4p
77°
5p
77°
6p
76°
7p
L 51°H 77°
Morton, IL
7-day forecast
  1. Today
    May 16
    Light Drizzle
    38%
    77°62°
  2. Sunday
    May 17
    Overcast
    25%
    87°64°
  3. Monday
    May 18
    Thunderstorm
    79%
    84°69°
  4. Tuesday
    May 19
    Light Showers
    78%
    76°57°
  5. Wednesday
    May 20
    Overcast
    36%
    65°47°
  6. Thursday
    May 21
    Overcast
    65°46°
  7. Friday
    May 22
    Overcast
    10%
    60°53°
Morton, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
162° · backing 8°
Direction
SSE
162°
Sustained
6
mph
Gust
11
mph
Peak 24h
30
avg 9
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 9 · pk 30 @ 12:00p
−24h−18h−12h−6hnow
Light breeze backing 8° from the sse.
Morton, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.7
-0.9 mb in 3h · steady · 29.11 inHg
Now
985.7
mb
3h
-0.9
mb
12h
-1.3
mb
24h
+3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 982988
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Morton, IL
Air quality
46
AQI
Good
PM 2.5
8.0 μg/m³
PM 10
9.7 μg/m³
NO₂
10.0 μg/m³
Ozone
74.0 μg/m³
UV Index
0.0 Low
Morton, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:10 AM
Sunrise
5:39 AM
Daylight
14h 29m
Sunset
8:08 PM
Civil dusk
1:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Morton, IL
The moon
New Moon
0% illuminated
Moonrise
10:45 AM
Moonset
1:39 AM
In sign
♉︎ Taurus
Morton, 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 →

Morton at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: April 20 (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 Morton

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.