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

Logan, Montana Weather

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

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

Logan, MT
Saturday, July 4 at 8:13 PM
86
°
Clear
Feels like
79°
Humidity
16%
Wind
8 mph
Sunrise
11:41 PM
Sunset
3:18 PM
Logan, MT
Hour by hour · 24h
24-Hour ForecastLogan, MT: 24-hour forecast. Temperatures range from 59 to 91 degrees Fahrenheit with a 32% chance of precipitation at 6 PM.
L 59°H 91°
Logan, MT
7-day forecast
  1. Today
    Jul 4
    Clear
    89°49°
  2. Sunday
    Jul 5
    Overcast
    32%
    91°59°+2°
  3. Monday
    Jul 6
    Light Showers
    68%
    0.02″
    81°57°-10°
  4. Tuesday
    Jul 7
    Overcast
    68%
    84°53°+3°
  5. Wednesday
    Jul 8
    Heavy Drizzle
    28%
    0.02″
    88°55°+4°
  6. Thursday
    Jul 9
    Clear
    28%
    86°53°-2°
  7. Friday
    Jul 10
    Clear
    89°53°+3°
Logan, MT
Anemometer · 24h winds · from true
NESW
From · True
NW
317° · backing 53°
Direction
NW
317°
Sustained
8
mph
Gust
11
mph
Peak 24h
24
avg 6
Beaufort · 3 · GENTLE 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 24 @ 4:00p
01020304050MPHB1B2B3B4B5B6B7B8B9-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 4316SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 53° from the nw.
Logan, MT
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
874.5
-2.2 mb in 3h · falling rapidly · 25.82 inHg
Now
874.5
mb
3h
-2.2
mb
12h
+0.2
mb
24h
-0.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 872879
865870875880885-21h-18h-15h-12h-9h-6h-3h-24hNOW878.6871.9874.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Logan, MT
Air quality
47
AQI
Good
+19 in 6h

AQI 47 (Good), driven by Ozone. AQI up 19 in the last 6 hours — air quality is degrading. Ozone at AQI 44 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.

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

PM 2.5Good
0.4μg/m³
PM 10Good
1μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
93μg/m³
UV IndexLow
0.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.

Present
AQI 44
UV peak
0.2 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 7
Logan, MT
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
179.2mi
UNLIMITED
185 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
02:13 UTC · Logan, 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
02:13 UTC · Logan, MT · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Logan, MT
Satellite · infrared · animated
Logan, MT
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Logan, MT
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:04 AM
Sunrise
11:41 PM
Daylight
15h 37m
Sunset
3:18 PM
Civil dusk
9:58 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Logan, MT
The moon
Waning Gibbous
77% illuminated
Moonrise
11:49 PM
Moonset
11:40 AM
In sign
♓︎ Pisces
Logan, MT
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Logan at a glance

  • Today vs. normal: 20°F above the seasonal normal for this latitude
  • Last frost: May 21 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Logan

  1. Sat89°49°1%
  2. Sun91°59°32%
  3. Mon81°57°68%
  4. Tue84°53°68%
  5. Wed88°55°28%
  6. Thu86°53°28%
  7. Fri89°53°2%
  8. Sat101°57°2%
  9. Sun98°63°6%
  10. Mon102°63°11%
  11. Tue102°63°24%
  12. Wed106°61°28%
  13. Thu104°62°29%
  14. Fri105°59°23%
  15. Sat99°62°24%
  16. Sun95°60°26%

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 — Logan

SPC has placed Logan in the Marginal Risk category for severe thunderstorms tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

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 Logan

  • 59741

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.