Dewey, Montana Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Dewey weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 3Mostly Clear——74°47°—
- SaturdayJul 4Overcast——83°53°+9°
- SundayJul 5Light Drizzle25%0.01″84°56°+1°
- MondayJul 6Showers56%0.20″79°55°-5°
- TuesdayJul 7Overcast56%—82°53°+3°
- WednesdayJul 8Overcast32%—87°59°+5°
- ThursdayJul 9Clear15%—80°54°-7°
AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points).
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
- 11:37 PM
- Moonset
- 10:34 AM
- In sign
- ♒︎ Aquarius
Monsoon storms drench the south
Dewey at a glance
- Today vs. normal: 7°F below 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 — Dewey
- Fri74°47°8%
- Sat83°53°7%
- Sun84°56°25%
- Mon79°55°56%
- Tue82°53°56%
- Wed87°59°32%
- Thu80°54°15%
- Fri84°52°5%
- Sat92°55°3%
- Sun79°54°6%
- Mon87°50°8%
- Tue96°58°18%
- Wed90°67°19%
- Thu91°64°21%
- Fri89°61°27%
- Sat92°63°29%
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 — Dewey
SPC includes Dewey in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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 Dewey
- 59727