Billings, Montana Weather
Summer heat breaks with monsoon. Day 43 of summer. Read this microseason across nine climate regions →
Billings weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast——94°73°—
- MondayAug 3Mostly Clear——77°62°-17°
- TuesdayAug 4Overcast——79°51°+2°
- WednesdayAug 5Overcast——83°53°+4°
- ThursdayAug 6Clear——98°59°+15°
- FridayAug 7Overcast——106°67°+8°
- SaturdayAug 8Mostly Clear——96°68°-10°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 24.9 µg/m³ (AQI 80) with a 0.95 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 58 now. With UV 4.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 22.
- Present
- AQI 58
- UV peak
- 4.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 24.9 µg/m³ (AQI 80) with a 0.95 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
Red sky at night, sailor's delight.
- Moonrise
- 9:59 PM
- Moonset
- 10:24 AM
- In sign
- ♓︎ Pisces
Summer heat breaks with monsoon
Billings at a glance
- Today vs. normal: 26°F above the seasonal normal for this latitude
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 59101, 59102, 59105, 59106
16-Day Forecast — Billings
- Sun94°73°4%
- Mon77°62°5%
- Tue79°51°0%
- Wed83°53°0%
- Thu98°59°0%
- Fri106°67°0%
- Sat96°68°2%
- Sun97°62°7%
- Mon97°66°16%
- Tue87°63°21%
- Wed91°62°21%
- Thu78°60°18%
- Fri81°57°16%
- Sat93°58°25%
- Sun95°64°26%
- Mon98°68°22%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Billings
Right now in the garden
Peak growing season
As of August 2, 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 — Billings
SPC includes Billings in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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.
Sun & seasons in Billings
Billings sits in Yellowstone County, where the year’s longest day runs 15h 43m of daylight and its shortest just 8h 40m — a swing of +7h 4m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Charlo, the state’s largest city, lies about 290 miles to the WNW. The nearest town Billings tracks is Sunnybrook Colony, roughly 193 miles to the NNW.
Air quality in Billings’s county has held roughly steady since 2020; its cleanest year on record was 2023 (median AQI 29). See the full air-quality history for Billings.
ZIP codes in Billings
- 59106
- 59105
- 59102
- 59101
- 59104
- 59107
- 59108
- 59115
- 59116
- 59117