Weather in Grand Tower, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Grand Tower, IL
Sunday, May 17 at 3:57 AM
74
°
Clear
Feels like
75°
Humidity
66%
Wind
9 mph
Sunrise
5:47 AM
Sunset
8:01 PM
Grand Tower, IL
Hour by hour · 24h
60°
10p
58°
11p
58°
12a
57°
1a
57°
2a
56°
3a
55°
4a
55°
5a
56°
6a
60°
7a
64°
8a
69°
9a
72°
10a
74°
11a
76°
12p
78°
12%
1p
82°
12%
2p
83°
3p
82°
10%
4p
82°
11%
5p
80°
6p
81°
7p
78°
8p
77°
9p
Grand Tower, IL
7-day forecast
- TodayMay 16Thunderstorm30%83°74°
- SundayMay 17Overcast—88°68°
- MondayMay 18Rain36%79°71°
- TuesdayMay 19Light Showers79%85°63°
- WednesdayMay 20Light Showers79%69°58°
- ThursdayMay 21Light Drizzle16%65°56°
- FridayMay 22Light Showers37%73°57°
Grand Tower, IL
Next 24 hours · Cool now
Grand Tower, IL
Anemometer · 24h winds · from true
From · True
S
177° · veering 6°
Direction
S
177°
Sustained
9
mph
Gust
18
mph
Peak 24h
32
avg 9
Beaufort · 3 · GENTLE 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
Grand Tower, IL
Air quality
47
AQI
Good
- PM 2.5
- 4.9 μg/m³
- PM 10
- 5.5 μg/m³
- NO₂
- 3.5 μg/m³
- Ozone
- 105.0 μg/m³
- UV Index
- 0.0 Low
Grand Tower, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:19 AM
Sunrise
5:47 AM
Daylight
14h 14m
Sunset
8:01 PM
Civil dusk
1:31 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Grand Tower, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:55 AM
- Moonset
- 1:28 AM
- In sign
- ♊︎ Gemini
Grand Tower, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Grand Tower at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 2 (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.