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St. Thomas, ND Weather

It is 39°F in St. Thomas, ND, observed at 10:35 AM CDT. Today: Mostly Sunny, high 46°F, low 27°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

St. Thomas, ND current weather

39°F

Sunny

H 46° / L 27°Feels like 37°

  • No rain expected in the next 12 hours

Observed at CAVALIER (14.1 mi away), 10/30/2026, 10:35 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 8:40 AM PT

  1. Now33°
  2. 12 PM37°
  3. 1 PM40°
  4. 2 PM43°
  5. 3 PM45°
  6. 4 PM46°
  7. 5 PM45°
  8. 6 PM44°
  9. 7 PM41°
  10. 8 PM37°
  11. 9 PM35°
  12. 10 PM34°
  13. 11 PM33°
  14. 12 AM32°Sat
  15. 1 AM31°
  16. 2 AM30°
  17. 3 AM30°
  18. 4 AM28°
  19. 5 AM30°
  20. 6 AM29°
  21. 7 AM29°
  22. 8 AM31°
  23. 9 AM33°
  24. 10 AM37°
  25. 11 AM40°
  26. 12 PM44°
  27. 1 PM46°
  28. 2 PM47°
  29. 3 PM49°
  30. 4 PM50°
  31. 5 PM50°
  32. 6 PM51°
  33. 7 PM49°
  34. 8 PM48°
  35. 9 PM47°
  36. 10 PM47°
  37. 11 PM46°
  38. 12 AM46°Sun
  39. 1 AM45°
  40. 1 AM45°
  41. 2 AM45°
  42. 3 AM46°
  43. 4 AM46°
  44. 5 AM47°
  45. 6 AM48°
  46. 7 AM49°
  47. 8 AM50°
  48. 9 AM52°

7-day forecast

Tap a day for details

  • Today10/30Low 27°High 46°

    Today: Mostly sunny, with a high near 46. East southeast wind around 3 mph.

    Tonight: Mostly cloudy. Low around 27, with temperatures rising to around 30 overnight. East southeast wind around 5 mph.

    Mostly Sunny
  • Sat10/31Low 42°High 51°

    Saturday: Partly sunny, with a high near 51. Southeast wind 2 to 8 mph.

    Saturday Night: Cloudy, with a low around 42. South southeast wind 3 to 7 mph.

    Partly Sunny
  • Sun11/121% chance of precipitationLow 48°High 63°

    Sunday: Mostly cloudy, with a high near 63. South southeast wind 5 to 13 mph.

    Sunday Night: A slight chance of rain after midnight. Cloudy, with a low around 48. South southeast wind around 7 mph. Chance of precipitation is 20%.

    Mostly Cloudy
  • Mon11/278% chance of precipitationLow 39°High 57°

    Monday: Rain. Cloudy, with a high near 57. East wind 7 to 13 mph. Chance of precipitation is 80%.

    Monday Night: Rain likely. Cloudy, with a low around 39. North northeast wind 10 to 16 mph. Chance of precipitation is 70%.

    Light Rain
  • Tue11/348% chance of precipitationLow 34°High 53°

    Tuesday: A chance of rain. Mostly cloudy, with a high near 53. North northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 34. Northwest wind around 14 mph. Chance of precipitation is 20%.

    Chance Light Rain
  • Wed11/412% chance of precipitationLow 28°High 49°

    Wednesday: Partly sunny, with a high near 49. Northwest wind 12 to 16 mph.

    Wednesday Night: Mostly cloudy, with a low around 28. North northwest wind around 9 mph.

    Partly Sunny
  • Thu11/5Low 26°High 45°

    Thursday: Partly sunny, with a high near 45. North northwest wind 7 to 10 mph.

    Thursday Night: Partly cloudy, with a low around 26. North northwest wind 2 to 7 mph.

    Partly Sunny

Forecast for 48.619, -97.447 from the NWS FGF office, updated 10/30/2026, 8:40 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now33°Sunny0%2 mph
  2. 12 PM37°Sunny0%2 mph
  3. 1 PM40°Mostly Sunny0%3 mph
  4. 2 PM43°Mostly Sunny0%3 mph
  5. 3 PM45°Mostly Sunny0%3 mph
  6. 4 PM46°Partly Sunny0%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in St. Thomas, ND right now?
The latest observation from CAVALIER was 39°F, reported at 10/30/2026, 10:35 AM CDT.
What is the high temperature today in St. Thomas, ND?
The National Weather Service forecast for today calls for a high near 46°F. Mostly Sunny.
Will it rain in St. Thomas, ND in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in St. Thomas, ND today?
Sunrise is about 8:13 AM CDT and sunset is about 6:13 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in St. Thomas, ND?
At Grafton, the 1991 to 2020 normal high in October is 54°F and the normal low is 36°F.

Nearby hazards

North Dakota hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Red River Valley North)
22GoodPM2.5
AQI forecast tomorrow (Red River Valley North)
GoodOzone

UV index guide · Air quality

Drought

By county

Pembina County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
8:13 AM
Sunset
6:13 PM
Daylight
10 hr 0 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
7:40 AM
Last light (civil dusk)
6:45 PM
Moonrise
9:31 PM
Moonset
1:55 PM

Normal October weather

Climate

Normal October high 54°, low 36°. 1991 to 2020 normals at Grafton, 14 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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