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

Malmstrom AFB, Montana Weather

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

Malmstrom AFB weather forecast — hour by hour, 7-day outlook, NOAA radar

Malmstrom AFB, MT
Saturday, July 4 at 6:30 PM
86
°
Clear
Feels like
78°
Humidity
23%
Wind
15 mph
Sunrise
11:33 PM
Sunset
3:24 PM
Malmstrom AFB, MT
Hour by hour · 24h
24-Hour ForecastMalmstrom AFB, MT: 24-hour forecast. Temperatures range from 60 to 87 degrees Fahrenheit.
L 60°H 87°
Malmstrom AFB, MT
7-day forecast
  1. Today
    Jul 4
    Mostly Clear
    87°51°
  2. Sunday
    Jul 5
    Overcast
    87°60°
  3. Monday
    Jul 6
    Showers
    50%
    0.08″
    75°56°-12°
  4. Tuesday
    Jul 7
    Overcast
    50%
    82°58°+7°
  5. Wednesday
    Jul 8
    Light Drizzle
    19%
    92°61°+10°
  6. Thursday
    Jul 9
    Overcast
    19%
    80°60°-12°
  7. Friday
    Jul 10
    Clear
    87°55°+7°
Malmstrom AFB, MT
Anemometer · 24h winds · from true
NESW
From · True
W
262° · backing 38°
Direction
W
262°
Sustained
15
mph
Gust
24
mph
Peak 24h
25
avg 10
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 10 · pk 25 @ 3:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2815SUSTGUST
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 24 — flags snap, branches bend.
Malmstrom AFB, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
896.8
-0.3 mb in 3h · steady · 26.48 inHg
Now
896.8
mb
3h
-0.3
mb
12h
+4.0
mb
24h
+0.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 893898
885890895900905-21h-18h-15h-12h-9h-6h-3h-24hNOW898.2892.8896.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Malmstrom AFB, MT
Air quality
42
AQI
Good
+22 in 6h

AQI 42 (Good), driven by Ozone. AQI up 22 in the last 6 hours — air quality is degrading. Ozone at AQI 43 — 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
0.5μg/m³
PM 10Good
1μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
91μg/m³
UV IndexModerate
2.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 43 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 43
UV peak
1.7 at earlier today
Sky at peak
clear
Projected peak
AQI 43
Malmstrom AFB, MT
Sky cover · visibility · 24h
Cloud cover
11%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
156.2mi
UNLIMITED
160 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
00:30 UTC · Malmstrom AFB, 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
00:30 UTC · Malmstrom AFB, MT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Malmstrom AFB, MT
Satellite · infrared · animated
Malmstrom AFB, MT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Malmstrom AFB, MT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:54 AM
Sunrise
11:33 PM
Daylight
15h 51m
Sunset
3:24 PM
Civil dusk
10:05 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Malmstrom AFB, MT
The moon
Waning Gibbous
77% illuminated
Moonrise
11:50 PM
Moonset
11:38 AM
In sign
♓︎ Pisces
Malmstrom AFB, MT
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Malmstrom AFB at a glance

  • Today vs. normal: 22°F above the seasonal normal for this latitude
  • Last frost: May 31 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Malmstrom AFB

  1. Sat87°51°1%
  2. Sun87°59°4%
  3. Mon75°56°50%
  4. Tue82°58°50%
  5. Wed92°61°19%
  6. Thu80°60°19%
  7. Fri87°55°1%
  8. Sat101°63°3%
  9. Sun97°68°3%
  10. Mon101°69°11%
  11. Tue103°68°15%
  12. Wed101°68°15%
  13. Thu87°65°16%
  14. Fri97°57°13%
  15. Sat87°60°12%
  16. Sun91°62°13%

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.

SPC Convective Outlook

Storm Prediction Center — Malmstrom AFB

SPC includes Malmstrom AFB 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 Malmstrom AFB

  • 59405
  • 59402

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.