Ulm, Montana Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Ulm weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——81°46°—
- TuesdayJun 16Overcast——83°58°+2°
- WednesdayJun 17Light Drizzle27%0.02″68°50°-15°
- ThursdayJun 18Overcast21%—75°46°+7°
- FridayJun 19Overcast——76°49°+1°
- SaturdayJun 20Light Drizzle28%—75°53°-1°
- SundayJun 21Light Drizzle28%—82°53°+7°
AQI 35 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 6.8 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.8 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 5:25 AM
- Moonset
- 9:55 PM
- In sign
- ♊︎ Gemini
Paintbrush crowns the ridges
Ulm at a glance
- Today vs. normal: 21°F below the seasonal normal for this latitude
- Last frost: May 31 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Ulm
- Mon81°46°5%
- Tue83°58°8%
- Wed68°50°27%
- Thu75°46°21%
- Fri76°49°1%
- Sat75°53°28%
- Sun82°53°28%
- Mon71°43°22%
- Tue79°50°9%
- Wed77°55°11%
- Thu59°54°17%
- Fri72°47°16%
- Sat77°48°17%
- Sun82°52°16%
- Mon84°56°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 15, 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.
ZIP codes in Ulm
- 59404
- 59485