Thief River Falls, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Thief River Falls weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain34%1.4″82°61°—
- SundayJul 5Overcast——83°62°+1°
- MondayJul 6T-storm w/ Hail54%—85°66°+2°
- TuesdayJul 7Drizzle50%—76°64°-9°
- WednesdayJul 8Light Drizzle52%—76°58°0°
- ThursdayJul 9Overcast12%—79°57°+3°
- FridayJul 10Partly Cloudy18%—76°62°-3°
AQI 19 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm 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
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:33 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Thief River Falls at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: June 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56701
16-Day Forecast — Thief River Falls
- Sat82°61°34%
- Sun83°62°2%
- Mon85°66°54%
- Tue76°64°50%
- Wed76°58°52%
- Thu79°57°12%
- Fri76°62°18%
- Sat71°56°18%
- Sun76°52°17%
- Mon82°58°11%
- Tue86°68°15%
- Wed76°56°15%
- Thu81°58°23%
- Fri80°56°13%
- Sat87°60°20%
- Sun94°71°14%
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 — Thief River Falls
SPC has placed Thief River Falls in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Thief River Falls
- 56701