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

King Arthur Park, Montana Weather

Paintbrush crowns the ridges. Day 86 of spring. Read this microseason across nine climate regions →

King Arthur Park weather forecast — hour by hour, 7-day outlook, NOAA radar

King Arthur Park, MT
Saturday, June 13 at 2:42 AM
48
°
Overcast
Feels like
45°
Humidity
78%
Wind
4 mph
Sunrise
11:34 PM
Sunset
3:14 PM
King Arthur Park, MT
Hour by hour · 24h
24-Hour ForecastKing Arthur Park, MT: 24-hour forecast. Temperatures range from 46 to 59 degrees Fahrenheit with a 29% chance of precipitation at 5 AM.
L 46°H 59°
King Arthur Park, MT
7-day forecast
  1. Today
    Jun 13
    Light Rain
    29%
    0.09″
    59°47°
  2. Sunday
    Jun 14
    Overcast
    69°40°+10°
  3. Monday
    Jun 15
    Overcast
    72°46°+3°
  4. Tuesday
    Jun 16
    Overcast
    80°56°+8°
  5. Wednesday
    Jun 17
    Overcast
    68°46°-12°
  6. Thursday
    Jun 18
    Mostly Clear
    74°42°+6°
  7. Friday
    Jun 19
    Overcast
    12%
    83°55°+9°
King Arthur Park, MT
Anemometer · 24h winds · from true
NESW
From · True
SSE
165° · backing 42°
Direction
SSE
165°
Sustained
4
mph
Gust
7
mph
Peak 24h
24
avg 7
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 7 · pk 24 @ 2:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2110SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
King Arthur Park, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
857.7
+0.9 mb in 3h · rising · 25.33 inHg
Now
857.7
mb
3h
+0.9
mb
12h
+3.7
mb
24h
+7.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 849858
840845850855860865-21h-18h-15h-12h-9h-6h-3h-24hNOW857.5848.9857.5
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
King Arthur Park, MT
Air quality
43
AQI
Good
-6 in 6h

AQI 43 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
1.6μg/m³
PM 10Good
2μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
71μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.

Present
AQI 34
UV peak
3.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 8
King Arthur Park, MT
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
38.3mi
UNLIMITED
148 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
08:42 UTC · King Arthur Park, MT · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
08:42 UTC · King Arthur Park, MT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
King Arthur Park, MT
Satellite · infrared · animated
King Arthur Park, MT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
King Arthur Park, MT
Almanac · Saturday, June 13
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
4:57 AM
Sunrise
11:34 PM
Daylight
15h 40m
Sunset
3:14 PM
Civil dusk
9:53 PM
Planting note
Prune spring-blooming shrubs after flowers fade.
King Arthur Park, MT
The moon
Waning Crescent
4% illuminated
Moonrise
3:47 AM
Moonset
7:10 PM
In sign
♉︎ Taurus
King Arthur Park, MT
Microseason
Jun 11–15

Paintbrush crowns the ridges

plant
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

King Arthur Park at a glance

  • Today vs. normal: 21°F below the seasonal normal for this latitude
  • Last frost: May 20 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Prune spring-blooming shrubs after flowers fade.

15-Day Forecast — King Arthur Park

  1. Sat59°46°29%
  2. Sun69°40°2%
  3. Mon72°46°0%
  4. Tue80°56°0%
  5. Wed68°46°4%
  6. Thu74°42°3%
  7. Fri83°55°12%
  8. Sat70°54°40%
  9. Sun75°48°42%
  10. Mon66°48°41%
  11. Tue73°44°26%
  12. Wed79°50°27%
  13. Thu83°51°10%
  14. Fri93°59°18%
  15. Sat99°65°19%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Warm-season window is open

As of June 13, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in King Arthur Park

  • 59718

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.