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

East Helena, Montana Weather

Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →

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

East Helena, MT
Saturday, July 4 at 1:27 AM
60
°
Clear
Feels like
57°
Humidity
54%
Wind
4 mph
Sunrise
11:40 PM
Sunset
3:23 PM
East Helena, MT
Hour by hour · 24h
24-Hour ForecastEast Helena, MT: 24-hour forecast. Temperatures range from 56 to 86 degrees Fahrenheit.
L 56°H 86°
East Helena, MT
7-day forecast
  1. Today
    Jul 4
    Overcast
    86°56°
  2. Sunday
    Jul 5
    Overcast
    34%
    87°58°+1°
  3. Monday
    Jul 6
    Light Showers
    54%
    0.24″
    76°58°-11°
  4. Tuesday
    Jul 7
    Light Rain
    54%
    0.06″
    84°54°+8°
  5. Wednesday
    Jul 8
    Overcast
    28%
    90°58°+6°
  6. Thursday
    Jul 9
    Clear
    17%
    83°58°-7°
  7. Friday
    Jul 10
    Clear
    87°53°+4°
East Helena, MT
Anemometer · 24h winds · from true
NESW
From · True
SW
225° · steady
Direction
SW
225°
Sustained
4
mph
Gust
4
mph
Peak 24h
20
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
avg 6 · pk 20 @ 4:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 225SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
East Helena, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
882.6
-1.0 mb in 3h · falling · 26.06 inHg
Now
882.6
mb
3h
-1.0
mb
12h
-2.2
mb
24h
+3.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 878885
870875880885890-21h-18h-15h-12h-9h-6h-3h-24hNOW885.4878.4882.4
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
East Helena, MT
Air quality
37
AQI
Good
-6 in 6h

AQI 37 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline).

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

PM 2.5Good
3.6μg/m³
PM 10Good
5μg/m³
NO₂Good
11μg/m³
OzoneDRIVERModerate
61μg/m³
UV IndexLow
0.0
East Helena, MT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
74.0mi
UNLIMITED
149 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
07:27 UTC · East Helena, 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
07:27 UTC · East Helena, MT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
East Helena, MT
Satellite · infrared · animated
East Helena, MT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
East Helena, MT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:01 AM
Sunrise
11:40 PM
Daylight
15h 43m
Sunset
3:23 PM
Civil dusk
10:04 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
East Helena, MT
The moon
Waning Gibbous
83% illuminated
Moonrise
11:34 PM
Moonset
10:29 AM
In sign
♓︎ Pisces
East Helena, MT
Microseason
Jul 1–5

Monsoon storms drench the south

weather
Jan 150% of the yearDec 31

Read this microseason across nine climate regions →

East Helena at a glance

  • Today vs. normal: 5°F below the seasonal normal for this latitude
  • Last frost: May 26 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 59635

15-Day Forecast — East Helena

  1. Sat86°56°4%
  2. Sun87°58°34%
  3. Mon76°58°54%
  4. Tue84°54°54%
  5. Wed90°58°28%
  6. Thu83°58°17%
  7. Fri87°53°5%
  8. Sat95°57°4%
  9. Sun82°59°7%
  10. Mon90°53°11%
  11. Tue100°60°13%
  12. Wed93°68°18%
  13. Thu97°64°19%
  14. Fri99°63°17%
  15. Sat96°65°21%

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

Right now in the garden

Peak growing season

As of July 4, 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.

SPC Convective Outlook

Storm Prediction Center — East Helena

SPC includes East Helena in the general thunderstorm area tomorrow — no severe risk, but storms are possible.

  • TODAYNONENo severe risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in East Helena

  • 59635

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.