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

Weather in Belknap, Illinois

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

Belknap, IL
Sunday, May 17 at 2:54 AM
73
°
Overcast
Feels like
76°
Humidity
73%
Wind
6 mph
Sunrise
5:45 AM
Sunset
7:58 PM
Belknap, IL
Hour by hour · 24h
60°
9p
58°
10p
56°
11p
55°
12a
54°
1a
54°
2a
53°
3a
53°
4a
54°
5a
54°
6a
57°
7a
61°
8a
66°
9a
70°
10a
73°
11a
75°
12p
78°
1p
80°
2p
81°
3p
82°
4p
79°
5p
78°
6p
77°
7p
75°
8p
L 53°H 82°
Belknap, IL
7-day forecast
  1. Today
    May 16
    Thunderstorm
    21%
    83°72°
  2. Sunday
    May 17
    Overcast
    87°66°
  3. Monday
    May 18
    Light Showers
    33%
    84°70°
  4. Tuesday
    May 19
    Light Showers
    69%
    88°66°
  5. Wednesday
    May 20
    Drizzle
    69%
    69°61°
  6. Thursday
    May 21
    Rain
    23%
    61°57°
  7. Friday
    May 22
    Light Showers
    31%
    77°60°
Belknap, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
152° · backing 11°
Direction
SSE
152°
Sustained
6
mph
Gust
13
mph
Peak 24h
23
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 23 @ 5:00p
−24h−18h−12h−6hnow
Light breeze backing 11° from the sse.
Belknap, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1000.1
+0.2 mb in 3h · rising · 29.53 inHg
Now
1000.1
mb
3h
+0.2
mb
12h
-1.7
mb
24h
+0.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10001003
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Belknap, IL
Air quality
49
AQI
Good
PM 2.5
5.8 μg/m³
PM 10
6.4 μg/m³
NO₂
4.0 μg/m³
Ozone
93.0 μg/m³
UV Index
0.0 Low
Belknap, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:18 AM
Sunrise
5:45 AM
Daylight
14h 13m
Sunset
7:58 PM
Civil dusk
1:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Belknap, IL
The moon
New Moon
0% illuminated
Moonrise
10:54 AM
Moonset
1:25 AM
In sign
♊︎ Gemini
Belknap, 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 →

Belknap at a glance

  • Today vs. normal: 73°F — typical for the season
  • Last frost: March 31 (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 Belknap

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.