Simms, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Simms weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——84°55°—
- MondayJul 6Overcast55%—77°51°-7°
- TuesdayJul 7Overcast55%—84°55°+7°
- WednesdayJul 8Overcast17%—89°60°+5°
- ThursdayJul 9Overcast——82°59°-7°
- FridayJul 10Clear——87°53°+5°
- SaturdayJul 11Partly Cloudy——96°59°+9°
AQI 21 (Good), driven by PM2.5. AQI down 20 over the last 6 hours — air quality is improving sharply.
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
- 11:53 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Simms at a glance
- Today vs. normal: 8°F below 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.
ZIP code: 59477
15-Day Forecast — Simms
- Sun85°57°1%
- Mon77°51°55%
- Tue84°55°55%
- Wed89°60°17%
- Thu82°59°9%
- Fri87°53°5%
- Sat96°59°5%
- Sun99°64°3%
- Mon97°61°8%
- Tue105°65°13%
- Wed104°69°16%
- Thu104°69°22%
- Fri108°70°19%
- Sat96°65°16%
- Sun71°53°27%
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 — Simms
SPC includes Simms in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- 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 Simms
- 59477