Culbertson, Montana Weather
Thunderheads build by noon. Day 90 of spring. Read this microseason across nine climate regions →
Culbertson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Rain84%0.54″63°53°—
- ThursdayJun 18Heavy Rain60%0.41″63°51°0°
- FridayJun 19Drizzle30%—69°48°+6°
- SaturdayJun 20Overcast17%—74°51°+5°
- SundayJun 21Light Drizzle52%—67°54°-7°
- MondayJun 22Overcast24%—79°55°+12°
- TuesdayJun 23Overcast10%—87°58°+8°
AQI 30 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM scrubbed by 4 hours of recent rain — PM2.5 down to 5.2 µg/m³, PM10 to 6.1 µg/m³.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 5.2 µg/m³, PM10 to 6.1 µg/m³.
- PM2.5/PM10
- 0.85
- Wind
- breezy
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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
- 7:29 AM
- Moonset
- 11:11 PM
- In sign
- ♋︎ Cancer
Thunderheads build by noon
Culbertson at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: June 4 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Culbertson
- Wed63°53°84%
- Thu63°51°60%
- Fri69°48°30%
- Sat74°51°17%
- Sun67°54°52%
- Mon79°55°24%
- Tue87°58°10%
- Wed92°66°10%
- Thu78°60°19%
- Fri75°57°27%
- Sat83°56°25%
- Sun79°65°23%
- Mon89°60°16%
- Tue81°64°26%
- Wed86°57°22%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 17, 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 — Culbertson
SPC has placed Culbertson in the General Thunderstorms category for severe thunderstorms today.
- 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 Culbertson
- 59218