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

Weather in Chemung, Illinois

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Chemung, IL
Sunday, May 17 at 3:58 AM
69
°
Overcast
Feels like
71°
Humidity
70%
Wind
3 mph
Sunrise
5:31 AM
Sunset
8:10 PM
Chemung, IL
Hour by hour · 24h
56°
10p
57°
11p
55°
12a
54°
1a
54°
24%
2a
53°
14%
3a
53°
4a
52°
5a
54°
6a
57°
7a
58°
8a
61°
9a
63°
10a
66°
11a
69°
12p
72°
1p
74°
2p
76°
3p
77°
4p
78°
5p
77°
6p
75°
7p
72°
8p
69°
9p
L 52°H 78°
Chemung, IL
7-day forecast
  1. Today
    May 16
    Rain
    51%
    82°59°
  2. Sunday
    May 17
    Rain
    33%
    85°65°
  3. Monday
    May 18
    Heavy Rain
    65%
    77°64°
  4. Tuesday
    May 19
    Showers
    58%
    72°52°
  5. Wednesday
    May 20
    Overcast
    59°42°
  6. Thursday
    May 21
    Overcast
    61°39°
  7. Friday
    May 22
    Overcast
    12%
    65°46°
Chemung, IL
Anemometer · 24h winds · from true
NESW
From · True
S
176° · backing 12°
Direction
S
176°
Sustained
3
mph
Gust
9
mph
Peak 24h
18
avg 7
Beaufort · 1 · LIGHT AIR
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 7 · pk 18 @ 8:00a
−24h−18h−12h−6hnow
Light breeze backing 12° from the s.
Chemung, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
979.3
0.0 mb in 3h · rising · 28.92 inHg
Now
979.3
mb
3h
0.0
mb
12h
-0.1
mb
24h
+3.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 976981
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Chemung, IL
Air quality
61
AQI
Moderate
PM 2.5
4.7 μg/m³
PM 10
5.8 μg/m³
NO₂
10.3 μg/m³
Ozone
83.0 μg/m³
UV Index
0.0 Low
Chemung, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:01 AM
Sunrise
5:31 AM
Daylight
14h 39m
Sunset
8:10 PM
Civil dusk
1:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Chemung, IL
The moon
New Moon
0% illuminated
Moonrise
10:34 AM
Moonset
1:43 AM
In sign
♊︎ Gemini
Chemung, IL
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Chemung at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: April 30 (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

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Chemung

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.