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

Weather in Alpha, Illinois

Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →

Alpha, IL
Sunday, May 17 at 4:57 AM
69
°
Drizzle
Feels like
69°
Humidity
75%
Wind
8 mph
Sunrise
5:41 AM
Sunset
8:13 PM
Alpha, IL
Hour by hour · 24h
63°
11p
64°
12a
62°
1a
60°
2a
60°
13%
3a
56°
27%
4a
56°
24%
5a
55°
16%
6a
54°
7a
56°
8a
58°
9a
61°
10a
66°
11a
70°
12p
73°
1p
76°
2p
78°
3p
79°
4p
79°
5p
79°
6p
77°
7p
76°
8p
73°
9p
72°
10p
L 54°H 79°
Alpha, IL
7-day forecast
  1. Today
    May 16
    Light Rain
    50%
    81°61°
  2. Sunday
    May 17
    Heavy Drizzle
    51%
    86°65°
  3. Monday
    May 18
    Showers
    74%
    80°67°
  4. Tuesday
    May 19
    Showers
    68%
    70°52°
  5. Wednesday
    May 20
    Overcast
    62°44°
  6. Thursday
    May 21
    Overcast
    64°44°
  7. Friday
    May 22
    Overcast
    10%
    63°52°
Alpha, IL
Anemometer · 24h winds · from true
NESW
From · True
S
175° · backing 146°
Direction
S
175°
Sustained
8
mph
Gust
10
mph
Peak 24h
27
avg 10
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
avg 10 · pk 27 @ 5:00a
−24h−18h−12h−6hnow
Light breeze backing 146° from the s.
Alpha, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
982.4
0.0 mb in 3h · falling · 29.01 inHg
Now
982.4
mb
3h
0.0
mb
12h
+0.7
mb
24h
+2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979983
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Alpha, IL
Air quality
39
AQI
Good
PM 2.5
5.8 μg/m³
PM 10
6.9 μg/m³
NO₂
10.9 μg/m³
Ozone
46.0 μg/m³
UV Index
0.0 Low
Alpha, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:12 AM
Sunrise
5:41 AM
Daylight
14h 32m
Sunset
8:13 PM
Civil dusk
1:46 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Alpha, IL
The moon
New Moon
0% illuminated
Moonrise
10:46 AM
Moonset
1:45 AM
In sign
♊︎ Gemini
Alpha, IL
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Alpha at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: April 23 (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 Alpha

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.