St. Thomas, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Thomas weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——82°59°—
- SundayJul 5Overcast——87°63°+5°
- MondayJul 6Light Drizzle46%—84°68°-3°
- TuesdayJul 7Light Drizzle41%—71°59°-13°
- WednesdayJul 8Overcast44%—76°54°+5°
- ThursdayJul 9Light Drizzle——79°57°+3°
- FridayJul 10Light Drizzle31%—76°60°-3°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 10.2 µg/m³, PM10 at 10.6 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 10.2 µg/m³, PM10 at 10.6 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:39 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. Thomas at a glance
- Today vs. normal: 61°F — typical for the season
- Last frost: June 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Thomas
- Sat82°59°7%
- Sun87°63°9%
- Mon84°68°46%
- Tue71°59°41%
- Wed76°54°44%
- Thu79°57°8%
- Fri76°60°31%
- Sat73°58°31%
- Sun77°54°12%
- Mon83°60°12%
- Tue85°66°11%
- Wed77°57°14%
- Thu79°58°19%
- Fri79°56°16%
- Sat84°59°11%
- Sun89°69°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — St. Thomas
SPC has placed St. Thomas in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 St. Thomas
- 58276