Weather in Prairie du Rocher, Illinois
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Prairie du Rocher, IL
Sunday, May 17 at 3:49 AM
72
°
Clear
Feels like
75°
Humidity
77%
Wind
7 mph
Sunrise
5:48 AM
Sunset
8:04 PM
Prairie du Rocher, IL
Hour by hour · 24h
63°
10p
61°
11p
60°
12a
59°
1a
58°
2a
59°
3a
58°
4a
57°
5a
58°
6a
60°
7a
63°
8a
67°
11%
9a
70°
13%
10a
73°
14%
11a
77°
10%
12p
77°
1p
79°
2p
80°
3p
81°
4p
82°
5p
80°
6p
78°
7p
77°
8p
76°
9p
Prairie du Rocher, IL
7-day forecast
- TodayMay 16Thunderstorm46%78°72°
- SundayMay 17Overcast—86°67°
- MondayMay 18Showers38%79°69°
- TuesdayMay 19Showers77%85°61°
- WednesdayMay 20Overcast76%67°55°
- ThursdayMay 21Drizzle15%64°55°
- FridayMay 22Drizzle24%64°55°
Prairie du Rocher, IL
Next 24 hours · Cool now
Prairie du Rocher, IL
Anemometer · 24h winds · from true
From · True
SSE
147° · veering 57°
Direction
SSE
147°
Sustained
7
mph
Gust
15
mph
Peak 24h
28
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
Prairie du Rocher, IL
Air quality
32
AQI
Good
- PM 2.5
- 4.1 μg/m³
- PM 10
- 4.6 μg/m³
- NO₂
- 3.3 μg/m³
- Ozone
- 92.0 μg/m³
- UV Index
- 0.0 Low
Prairie du Rocher, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:20 AM
Sunrise
5:48 AM
Daylight
14h 16m
Sunset
8:04 PM
Civil dusk
1:35 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Prairie du Rocher, IL
The moon
New Moon
0% illuminated
- Moonrise
- 10:56 AM
- Moonset
- 1:32 AM
- In sign
- ♊︎ Gemini
Prairie du Rocher, IL
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Prairie du Rocher at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 4 (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.