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

Helena Flats, Montana Weather

Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →

Helena Flats weather forecast — hour by hour, 7-day outlook, NOAA radar

Helena Flats, MT
Saturday, July 4 at 6:39 PM
81
°
Clear
Feels like
71°
Humidity
19%
Wind
15 mph
Sunrise
11:42 PM
Sunset
3:40 PM
Helena Flats, MT
Hour by hour · 24h
24-Hour ForecastHelena Flats, MT: 24-hour forecast. Temperatures range from 52 to 82 degrees Fahrenheit.
L 52°H 82°
Helena Flats, MT
7-day forecast
  1. Today
    Jul 4
    Mostly Clear
    82°49°
  2. Sunday
    Jul 5
    Overcast
    82°52°
  3. Monday
    Jul 6
    Overcast
    77°54°-5°
  4. Tuesday
    Jul 7
    Overcast
    84°53°+7°
  5. Wednesday
    Jul 8
    Light Drizzle
    79°55°-5°
  6. Thursday
    Jul 9
    Mostly Clear
    80°50°+1°
  7. Friday
    Jul 10
    Clear
    84°50°+4°
Helena Flats, MT
Anemometer · 24h winds · from true
NESW
From · True
WSW
257° · steady
Direction
WSW
257°
Sustained
15
mph
Gust
22
mph
Peak 24h
24
avg 7
Beaufort · 4 · MOD 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 @ 3:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2314SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the wsw-bound air across the harbor.
Helena Flats, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
913.8
-0.3 mb in 3h · steady · 26.98 inHg
Now
913.8
mb
3h
-0.3
mb
12h
+3.9
mb
24h
-0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 910915
905910915920-21h-18h-15h-12h-9h-6h-3h-24hNOW914.9910.4914.3
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Helena Flats, MT
Air quality
45
AQI
Good
+13 in 6h

AQI 45 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 60 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

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

PM 2.5Good
1.3μg/m³
PM 10Good
2μg/m³
NO₂Good
0μg/m³
OzoneDRIVERUnhealthy SG
113μg/m³
UV IndexModerate
2.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 60 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 60
UV peak
1.9 at earlier today
Sky at peak
clear
Projected peak
AQI 60
Helena Flats, MT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
182.5mi
UNLIMITED
182 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
00:39 UTC · Helena Flats, 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
00:39 UTC · Helena Flats, MT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Helena Flats, MT
Satellite · infrared · animated
Helena Flats, MT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Helena Flats, MT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:02 AM
Sunrise
11:42 PM
Daylight
15h 58m
Sunset
3:40 PM
Civil dusk
10:22 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Helena Flats, MT
The moon
Waning Gibbous
77% illuminated
Moonrise
12:02 AM
Moonset
11:51 AM
In sign
♓︎ Pisces
Helena Flats, MT
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Helena Flats at a glance

  • Today vs. normal: 18°F above the seasonal normal for this latitude
  • Last frost: June 5 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Helena Flats

  1. Sat82°49°1%
  2. Sun82°52°1%
  3. Mon77°54°7%
  4. Tue84°53°7%
  5. Wed79°55°4%
  6. Thu80°50°4%
  7. Fri84°50°0%
  8. Sat89°53°2%
  9. Sun88°55°2%
  10. Mon93°54°3%
  11. Tue97°54°4%
  12. Wed92°55°11%
  13. Thu90°54°16%
  14. Fri93°51°3%
  15. Sat95°55°3%
  16. Sun97°57°12%

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

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Helena Flats

  • 59901

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.