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
- TodayJul 4Clear——89°49°—
- SundayJul 5Overcast32%—91°59°+2°
- MondayJul 6Light Showers68%0.02″81°57°-10°
- TuesdayJul 7Overcast68%—84°53°+3°
- WednesdayJul 8Heavy Drizzle28%0.02″88°55°+4°
- ThursdayJul 9Clear28%—86°53°-2°
- FridayJul 10Clear——89°53°+3°
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.
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
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:49 PM
- Moonset
- 11:40 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
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
- Sat89°49°1%
- Sun91°59°32%
- Mon81°57°68%
- Tue84°53°68%
- Wed88°55°28%
- Thu86°53°28%
- Fri89°53°2%
- Sat101°57°2%
- Sun98°63°6%
- Mon102°63°11%
- Tue102°63°24%
- Wed106°61°28%
- Thu104°62°29%
- Fri105°59°23%
- Sat99°62°24%
- 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