Weather in Lanark, Illinois
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Lanark, IL
Sunday, May 17 at 4:58 AM
70
°
Overcast
Feels like
71°
Humidity
74%
Wind
7 mph
Sunrise
5:37 AM
Sunset
8:14 PM
Lanark, IL
Hour by hour · 24h
63°
11p
59°
27%
12a
60°
22%
1a
61°
2a
60°
3a
62°
13%
4a
61°
5a
59°
6a
57°
7a
59°
8a
62°
9a
65°
10a
69°
11a
72°
12p
75°
1p
78°
2p
80°
3p
82°
4p
81°
5p
81°
6p
80°
7p
77°
8p
73°
9p
72°
10p
Lanark, IL
7-day forecast
- TodayMay 16Heavy Drizzle67%82°61°
- SundayMay 17Heavy Drizzle52%86°65°
- MondayMay 18Showers86%82°69°
- TuesdayMay 19Showers74%72°51°
- WednesdayMay 20Overcast—60°43°
- ThursdayMay 21Overcast—65°40°
- FridayMay 22Overcast11%65°48°
Lanark, IL
Next 24 hours · Cool now
Lanark, IL
Anemometer · 24h winds · from true
From · True
SSE
155° · backing 12°
Direction
SSE
155°
Sustained
7
mph
Gust
13
mph
Peak 24h
24
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
−24h−18h−12h−6hnow
Lanark, IL
Air quality
49
AQI
Good
- PM 2.5
- 4.5 μg/m³
- PM 10
- 5.3 μg/m³
- NO₂
- 8.2 μg/m³
- Ozone
- 66.0 μg/m³
- UV Index
- 0.0 Low
Lanark, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:06 AM
Sunrise
5:37 AM
Daylight
14h 37m
Sunset
8:14 PM
Civil dusk
1:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Lanark, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:41 AM
- Moonset
- 1:46 AM
- In sign
- ♊︎ Gemini
Lanark, IL
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Lanark at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 29 (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
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).