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

Weather in Nelson, Illinois

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Nelson, IL
Sunday, May 17 at 1:42 AM
73
°
Overcast
Feels like
76°
Humidity
74%
Wind
7 mph
Sunrise
5:37 AM
Sunset
8:12 PM
Nelson, IL
Hour by hour · 24h
64°
8p
61°
9p
59°
10p
59°
11p
58°
21%
12a
58°
21%
1a
57°
2a
55°
10%
3a
57°
14%
4a
56°
13%
5a
55°
6a
56°
7a
57°
8a
60°
9a
63°
10a
66°
11a
70°
12p
73°
1p
77°
2p
78°
3p
80°
4p
80°
5p
78°
6p
75°
7p
L 55°H 80°
Nelson, IL
7-day forecast
  1. Today
    May 16
    Rain
    69%
    83°62°
  2. Sunday
    May 17
    Light Drizzle
    43%
    86°63°
  3. Monday
    May 18
    Thunderstorm
    84%
    83°69°
  4. Tuesday
    May 19
    Showers
    66%
    72°52°
  5. Wednesday
    May 20
    Overcast
    62°45°
  6. Thursday
    May 21
    Overcast
    67°42°
  7. Friday
    May 22
    Overcast
    64°51°
Nelson, IL
Anemometer · 24h winds · from true
NESW
From · True
S
178° · veering 146°
Direction
S
178°
Sustained
7
mph
Gust
12
mph
Peak 24h
28
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 28 @ 12:00a
−24h−18h−12h−6hnow
Light breeze veering 146° from the s.
Nelson, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.3
-0.5 mb in 3h · rising · 29.15 inHg
Now
987.3
mb
3h
-0.5
mb
12h
-1.5
mb
24h
+3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983989
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Nelson, IL
Air quality
54
AQI
Moderate
PM 2.5
3.8 μg/m³
PM 10
4.9 μg/m³
NO₂
4.6 μg/m³
Ozone
82.0 μg/m³
UV Index
0.0 Low
Nelson, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:07 AM
Sunrise
5:37 AM
Daylight
14h 35m
Sunset
8:12 PM
Civil dusk
1:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Nelson, IL
The moon
New Moon
0% illuminated
Moonrise
10:41 AM
Moonset
1:44 AM
In sign
♉︎ Taurus
Nelson, IL
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Nelson at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: April 27 (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 Nelson

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.