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

Weather in Mount Morris, Illinois

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

Mount Morris, IL
Sunday, May 17 at 2:56 AM
72
°
Overcast
Feels like
73°
Humidity
71%
Wind
7 mph
Sunrise
5:35 AM
Sunset
8:12 PM
Mount Morris, IL
Hour by hour · 24h
63°
9p
62°
10p
61°
11p
60°
12a
57°
27%
1a
57°
12%
2a
54°
3a
54°
13%
4a
57°
5a
57°
6a
57°
7a
58°
8a
60°
9a
64°
10a
67°
11a
70°
12p
73°
1p
77°
2p
78°
3p
79°
4p
79°
5p
79°
6p
78°
7p
75°
8p
L 54°H 79°
Mount Morris, IL
7-day forecast
  1. Today
    May 16
    Rain
    69%
    83°61°
  2. Sunday
    May 17
    Heavy Rain
    49%
    86°65°
  3. Monday
    May 18
    Showers
    83%
    79°68°
  4. Tuesday
    May 19
    Showers
    67%
    72°51°
  5. Wednesday
    May 20
    Overcast
    60°43°
  6. Thursday
    May 21
    Overcast
    65°40°
  7. Friday
    May 22
    Overcast
    63°48°
Mount Morris, IL
Anemometer · 24h winds · from true
NESW
From · True
SSE
158° · backing 142°
Direction
SSE
158°
Sustained
7
mph
Gust
10
mph
Peak 24h
19
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 19 @ 1:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Mount Morris, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.6
-0.9 mb in 3h · steady · 28.87 inHg
Now
977.6
mb
3h
-0.9
mb
12h
-1.9
mb
24h
+1.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 974980
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mount Morris, IL
Air quality
51
AQI
Moderate
PM 2.5
3.2 μg/m³
PM 10
4.0 μg/m³
NO₂
6.4 μg/m³
Ozone
79.0 μg/m³
UV Index
0.0 Low
Mount Morris, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:05 AM
Sunrise
5:35 AM
Daylight
14h 37m
Sunset
8:12 PM
Civil dusk
1:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mount Morris, IL
The moon
New Moon
0% illuminated
Moonrise
10:39 AM
Moonset
1:44 AM
In sign
♊︎ Gemini
Mount Morris, 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 →

Mount Morris at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: April 28 (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 Mount Morris

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.