Weather in Eureka, Montana
High country wildflowers peak. Day 59 of spring. Read this microseason across nine climate regions →
Eureka, MT
Sunday, May 17 at 3:48 AM
43
°
Overcast
Feels like
37°
Humidity
70%
Wind
5 mph
Sunrise
5:56 AM
Sunset
9:16 PM
Eureka, MT
Hour by hour · 24h
55°
9p
53°
10p
52°
11p
52°
12a
50°
15%
1a
50°
20%
2a
48°
36%
3a
46°
15%
4a
45°
5a
44°
6a
45°
7a
49°
8a
51°
9a
53°
10a
54°
11a
55°
12p
56°
1p
58°
2p
59°
3p
56°
4p
56°
5p
55°
6p
54°
7p
52°
8p
Eureka, MT
7-day forecast
- TodayMay 16Light Drizzle31%54°41°
- SundayMay 17Drizzle45%57°38°
- MondayMay 18Light Drizzle27%63°38°
- TuesdayMay 19Light Drizzle52%63°42°
- WednesdayMay 20Heavy Drizzle30%63°44°
- ThursdayMay 21Overcast36%72°43°
- FridayMay 22Overcast36%76°47°
Eureka, MT
Next 24 hours · Cool now
Eureka, MT
Anemometer · 24h winds · from true
From · True
ESE
112° · backing 40°
Direction
ESE
112°
Sustained
5
mph
Gust
6
mph
Peak 24h
13
avg 6
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
Eureka, MT
Air quality
40
AQI
Good
- PM 2.5
- 1.0 μg/m³
- PM 10
- 1.4 μg/m³
- NO₂
- 1.1 μg/m³
- Ozone
- 80.0 μg/m³
- UV Index
- 0.0 Low
Eureka, MT
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
11:20 AM
Sunrise
5:56 AM
Daylight
15h 20m
Sunset
9:16 PM
Civil dusk
3:55 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Eureka, MT
The moon
New Moon
0% illuminated
- Moonrise
- 11:51 AM
- Moonset
- 4:05 AM
- In sign
- ♊︎ Gemini
Eureka, MT
Microseason · 28 of 72
May 16–20
High country wildflowers peak
bird
Eureka at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: June 8 (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).