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

Weather in London Mills, Illinois

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

London Mills, IL
Sunday, May 17 at 4:54 AM
68
°
Overcast
Feels like
70°
Humidity
73%
Wind
4 mph
Sunrise
5:42 AM
Sunset
8:12 PM
London Mills, IL
Hour by hour · 24h
63°
11p
61°
12a
61°
1a
59°
2a
60°
12%
3a
57°
50%
4a
55°
68%
5a
55°
43%
6a
54°
13%
7a
55°
8a
58°
9a
62°
10a
65°
11a
69°
12p
72°
1p
75°
2p
77°
3p
77°
4p
78°
5p
78°
6p
78°
7p
75°
8p
72°
9p
72°
10p
L 54°H 78°
London Mills, IL
7-day forecast
  1. Today
    May 16
    Rain
    39%
    80°64°
  2. Sunday
    May 17
    Light Drizzle
    50%
    87°65°
  3. Monday
    May 18
    Light Showers
    82%
    79°67°
  4. Tuesday
    May 19
    Showers
    66%
    71°57°
  5. Wednesday
    May 20
    Overcast
    63°45°
  6. Thursday
    May 21
    Overcast
    65°46°
  7. Friday
    May 22
    Overcast
    11%
    62°53°
London Mills, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
153° · backing 98°
Direction
SSE
153°
Sustained
4
mph
Gust
15
mph
Peak 24h
27
avg 8
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 8 · pk 27 @ 12:00p
−24h−18h−12h−6hnow
Light breeze backing 98° from the sse.
London Mills, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
991.5
+0.1 mb in 3h · falling · 29.28 inHg
Now
991.5
mb
3h
+0.1
mb
12h
-0.1
mb
24h
+0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 990993
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
London Mills, IL
Air quality
37
AQI
Good
PM 2.5
7.0 μg/m³
PM 10
8.4 μg/m³
NO₂
11.6 μg/m³
Ozone
50.0 μg/m³
UV Index
0.0 Low
London Mills, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:13 AM
Sunrise
5:42 AM
Daylight
14h 30m
Sunset
8:12 PM
Civil dusk
1:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
London Mills, IL
The moon
New Moon
0% illuminated
Moonrise
10:48 AM
Moonset
1:43 AM
In sign
♊︎ Gemini
London Mills, 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 →

London Mills at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • 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 London Mills

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.