Weather in Forty Mile Colony, Montana
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Forty Mile Colony, MT
Sunday, May 17 at 4:11 AM
50
°
Overcast
Feels like
37°
Humidity
61%
Wind
22 mph
Sunrise
5:37 AM
Sunset
8:33 PM
Forty Mile Colony, MT
Hour by hour · 24h
56°
10p
52°
11p
50°
12a
50°
1a
49°
2a
48°
3a
47°
4a
47°
5a
47°
6a
49°
7a
54°
8a
59°
9a
60°
10a
62°
11a
64°
12p
66°
1p
67°
2p
69°
3p
69°
4p
68°
5p
67°
6p
65°
7p
61°
8p
57°
9p
Forty Mile Colony, MT
7-day forecast
- TodayMay 16Overcast—72°39°
- SundayMay 17Light Drizzle10%57°40°
- MondayMay 18Light Drizzle54%48°36°
- TuesdayMay 19Overcast—64°33°
- WednesdayMay 20Showers26%62°46°
- ThursdayMay 21Light Showers26%64°44°
- FridayMay 22Overcast25%73°44°
Forty Mile Colony, MT
Next 24 hours · Cool now
Forty Mile Colony, MT
Anemometer · 24h winds · from true
From · True
NNW
345° · backing 152°
Direction
NNW
345°
Sustained
22
mph
Gust
34
mph
Peak 24h
39
avg 10
Beaufort · 5 · FRESH 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
−24h−18h−12h−6hnow
Forty Mile Colony, MT
Air quality
48
AQI
Good
- PM 2.5
- 4.5 μg/m³
- PM 10
- 7.7 μg/m³
- NO₂
- 1.9 μg/m³
- Ozone
- 80.0 μg/m³
- UV Index
- 0.0 Low
Forty Mile Colony, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:05 AM
Sunrise
5:37 AM
Daylight
14h 56m
Sunset
8:33 PM
Civil dusk
3:09 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Forty Mile Colony, MT
The moon
New Moon
0% illuminated
- Moonrise
- 11:39 AM
- Moonset
- 3:14 AM
- In sign
- ♊︎ Gemini
Forty Mile Colony, MT
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Forty Mile Colony at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: May 18 (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).