Jefferson City, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Jefferson City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——85°55°—
- SundayJul 5Overcast34%—85°60°0°
- MondayJul 6Showers60%0.28″81°57°-4°
- TuesdayJul 7Showers60%0.33″84°55°+3°
- WednesdayJul 8Overcast45%—89°60°+5°
- ThursdayJul 9Clear17%—80°59°-9°
- FridayJul 10Clear——84°55°+4°
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.
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
- 11:34 PM
- Moonset
- 10:30 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Jefferson City at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: May 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59638
15-Day Forecast — Jefferson City
- Sat85°56°6%
- Sun85°60°34%
- Mon81°57°60%
- Tue84°55°60%
- Wed89°60°45%
- Thu80°59°17%
- Fri84°55°6%
- Sat94°60°5%
- Sun80°60°5%
- Mon89°55°11%
- Tue97°63°14%
- Wed97°70°18%
- Thu93°67°19%
- Fri97°66°17%
- Sat96°66°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 — Jefferson City
SPC includes Jefferson City 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 Jefferson City
- 59638