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

Weather in Altona, Illinois

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

Altona, IL
Sunday, May 17 at 1:37 AM
73
°
Overcast
Feels like
75°
Humidity
69%
Wind
6 mph
Sunrise
5:41 AM
Sunset
8:12 PM
Altona, IL
Hour by hour · 24h
66°
8p
64°
9p
62°
10p
62°
11p
62°
12a
61°
1a
60°
2a
59°
11%
3a
58°
26%
4a
55°
39%
5a
55°
23%
6a
54°
12%
7a
56°
8a
57°
9a
60°
10a
65°
11a
69°
12p
72°
1p
74°
2p
77°
3p
78°
4p
79°
5p
78°
6p
77°
7p
L 54°H 79°
Altona, IL
7-day forecast
  1. Today
    May 16
    Drizzle
    54%
    81°62°
  2. Sunday
    May 17
    Rain
    38%
    87°64°
  3. Monday
    May 18
    Thunderstorm
    81%
    82°66°
  4. Tuesday
    May 19
    Showers
    61%
    70°54°
  5. Wednesday
    May 20
    Overcast
    62°44°
  6. Thursday
    May 21
    Overcast
    65°44°
  7. Friday
    May 22
    Overcast
    61°52°
Altona, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
150° · veering 6°
Direction
SSE
150°
Sustained
6
mph
Gust
9
mph
Peak 24h
25
avg 9
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 9 · pk 25 @ 7:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Altona, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.0
-0.7 mb in 3h · steady · 29.06 inHg
Now
984.0
mb
3h
-0.7
mb
12h
-0.8
mb
24h
+3.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980985
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Altona, IL
Air quality
47
AQI
Good
PM 2.5
5.5 μg/m³
PM 10
6.7 μg/m³
NO₂
5.3 μg/m³
Ozone
74.0 μg/m³
UV Index
0.0 Low
Altona, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:11 AM
Sunrise
5:41 AM
Daylight
14h 31m
Sunset
8:12 PM
Civil dusk
1:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Altona, IL
The moon
New Moon
0% illuminated
Moonrise
10:46 AM
Moonset
1:44 AM
In sign
♉︎ Taurus
Altona, 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 →

Altona at a glance

  • Today vs. normal: 73°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 Altona

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.