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

Weather in Lima, Montana

High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →

Lima, MT
Sunday, May 17 at 3:51 AM
35
°
Clear
Feels like
24°
Humidity
47%
Wind
12 mph
Sunrise
6:00 AM
Sunset
8:52 PM
Lima, MT
Hour by hour · 24h
57°
9p
52°
10p
49°
11p
46°
12a
44°
1a
42°
2a
40°
3a
38°
4a
36°
5a
34°
6a
35°
7a
41°
8a
45°
9a
49°
10a
52°
11a
56°
12p
59°
1p
61°
2p
62°
3p
63°
4p
63°
5p
63°
6p
60°
7p
57°
8p
L 34°H 63°
Lima, MT
7-day forecast
  1. Today
    May 16
    Overcast
    55°33°
  2. Sunday
    May 17
    Heavy Snow
    46°23°
  3. Monday
    May 18
    Overcast
    47°26°
  4. Tuesday
    May 19
    Overcast
    56°30°
  5. Wednesday
    May 20
    Light Snow Shwrs
    19%
    54°35°
  6. Thursday
    May 21
    Overcast
    14%
    63°31°
  7. Friday
    May 22
    Overcast
    22%
    69°41°
Lima, MT
Anemometer · 24h winds · from true
NESW
From · True
NW
324° · backing 150°
Direction
NW
324°
Sustained
12
mph
Gust
24
mph
Peak 24h
28
avg 11
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 11 · pk 28 @ 5:00p
−24h−18h−12h−6hnow
Light breeze backing 150° from the nw.
Lima, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
806.0
+0.4 mb in 3h · falling rapidly · 23.80 inHg
Now
806.0
mb
3h
+0.4
mb
12h
+1.5
mb
24h
+1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 803807
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Lima, MT
Air quality
58
AQI
Moderate
PM 2.5
1.1 μg/m³
PM 10
1.7 μg/m³
NO₂
0.3 μg/m³
Ozone
101.0 μg/m³
UV Index
0.0 Low
Lima, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:28 AM
Sunrise
6:00 AM
Daylight
14h 52m
Sunset
8:52 PM
Civil dusk
3:27 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Lima, MT
The moon
New Moon
0% illuminated
Moonrise
12:02 PM
Moonset
3:33 AM
In sign
♊︎ Gemini
Lima, MT
Microseason · 28 of 72
May 16–20

High country wildflowers peak

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Lima at a glance

  • Today vs. normal: 32°F below the seasonal normal for this latitude
  • Last frost: May 14 (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 Lima

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.