Calvin, ND Weather Forecast
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Calvin Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
| Mostly Cloudy | Mostly Cloudy | Patchy Fog | Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 43°FLo: 6°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 53°FLo: 12°C | Hi: 73°FHi: 23°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 73°FHi: 23°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1237 PM CDT Sun Sep 20 2026 

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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1225 PM CDT Sun Sep 20 2026
Key Messages
- Frost chance exists Monday night/early Tuesday for northwest MN.
- With the exception of Wednesday night, a dry period ahead.
Discussion
... Issued at 230 PM CDT Sat Sep 19 2026
...Synopsis...
Water vapor loop shows split flow with the main upper low over ID/UT, and west to southwest flow over the Plains. Weak frontal boundary sinking down over our region has brought a few weak rain showers. Even with cold air advection behind the front, plenty of clouds into tonight should help keep temps...
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