Sidney, Montana Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Sidney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Rain39%0.10″73°54°—
- ThursdayJun 4Rain11%0.24″78°51°+5°
- FridayJun 5Overcast11%—84°53°+6°
- SaturdayJun 6Drizzle59%0.02″96°64°+12°
- SundayJun 7Light Drizzle59%—77°61°-19°
- MondayJun 8Overcast16%—83°55°+6°
- TuesdayJun 9Overcast26%—90°66°+7°
AQI 27 (Good), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise).
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:56 AM
- Moonset
- 2:33 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Sidney at a glance
- Today vs. normal: 66°F — typical for the season
- Last frost: June 1 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
SPC Convective Outlook
Storm Prediction Center — Sidney
SPC has placed Sidney in the General Thunderstorms category for severe thunderstorms tomorrow.
- 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.