Weather in Herron, Montana
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Herron, MT
Sunday, May 17 at 4:04 AM
47
°
Heavy Drizzle
Feels like
42°
Humidity
78%
Wind
6 mph
Sunrise
5:36 AM
Sunset
8:54 PM
Herron, MT
Hour by hour · 24h
54°
10p
51°
11p
50°
12a
49°
1a
47°
2a
46°
3a
47°
4a
47°
5a
47°
6a
49°
10%
7a
50°
12%
8a
54°
9a
57°
10a
58°
11a
60°
12p
62°
1p
63°
2p
63°
3p
64°
4p
63°
5p
62°
6p
59°
7p
58°
8p
54°
9p
Herron, MT
7-day forecast
- TodayMay 16Light Snow17%54°40°
- SundayMay 17Drizzle45%45°36°
- MondayMay 18Overcast11%56°33°
- TuesdayMay 19Overcast—67°38°
- WednesdayMay 20Drizzle34%66°50°
- ThursdayMay 21Overcast10%68°45°
- FridayMay 22Overcast27%75°49°
Herron, MT
Next 24 hours · Cool now
Herron, MT
Anemometer · 24h winds · from true
From · True
SSW
205° · backing 38°
Direction
SSW
205°
Sustained
6
mph
Gust
10
mph
Peak 24h
21
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
−24h−18h−12h−6hnow
Herron, MT
Air quality
38
AQI
Good
- PM 2.5
- 1.9 μg/m³
- PM 10
- 2.6 μg/m³
- NO₂
- 2.5 μg/m³
- Ozone
- 62.0 μg/m³
- UV Index
- 0.0 Low
Herron, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:00 AM
Sunrise
5:36 AM
Daylight
15h 18m
Sunset
8:54 PM
Civil dusk
3:33 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Herron, MT
The moon
New Moon
0% illuminated
- Moonrise
- 11:32 AM
- Moonset
- 3:40 AM
- In sign
- ♊︎ Gemini
Herron, MT
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Herron at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: June 6 (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).