Weather World
Fosston, MN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Fosston Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | | | |  |  | |  | |
| Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 68°FHi: 20°C | Lo: 55°FLo: 13°C | Hi: 73°FHi: 23°C | Lo: 45°FLo: 7°C | Hi: 63°FHi: 17°C | Lo: 38°FLo: 3°C | Hi: 63°FHi: 17°C | Lo: 45°FLo: 7°C | Hi: 63°FHi: 17°C | Hi: 55°FHi: 13°C Lo: 43°FLo: 6°C | Hi: 55°FHi: 13°C Lo: 43°FLo: 6°C | Lo: 35°FLo: 2°C |
| POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 437 AM CDT Tue Sep 29 2026 
Fosston Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Fosston Weather Map
Fosston Quick Facts
Fosston Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 453 AM CDT Tue Sep 29 2026
Key Messages
- Rain ends from west to east during the day. Localized flooding impacts may be found this morning in a zone from Thief River Falls to just south of Grand Forks to north of Valley City.
Discussion
... Issued at 301 PM CDT Mon Sep 28 2026
...Synopsis...
Broad southwest flow aloft currently resides over the Northern Plains and Upper Midwest as a result of longwave upper troughing in the West. This is helping draw northward increasing moisture content, while also allowing several shortwave tr...