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Jefferson City, MT 59638 Weather

Today: Mostly Sunny, high 42°F, low 26°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Jefferson City, MT 59638 current weather

40°F

Mostly Sunny

Forecast for this hour. No recent report from a nearby station.

H 42° / L 26°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 11:31 AM PT

Hourly forecast

NWS, updated 10/28/2026, 11:31 AM PT

  1. Now40°
  2. 6 PM37°
  3. 7 PM34°
  4. 8 PM31°
  5. 9 PM31°
  6. 10 PM31°
  7. 11 PM30°
  8. 12 AM30°Thu
  9. 1 AM29°
  10. 2 AM29°
  11. 3 AM28°
  12. 4 AM27°
  13. 5 AM27°
  14. 6 AM27°
  15. 7 AM26°
  16. 8 AM26°
  17. 9 AM28°
  18. 10 AM32°
  19. 11 AM34°
  20. 12 PM38°
  21. 1 PM40°
  22. 2 PM40°
  23. 3 PM42°
  24. 4 PM41°
  25. 5 PM40°
  26. 6 PM36°
  27. 7 PM33°
  28. 8 PM31°
  29. 9 PM31°
  30. 10 PM30°
  31. 11 PM29°
  32. 12 AM29°Fri
  33. 1 AM28°
  34. 2 AM28°
  35. 3 AM28°
  36. 4 AM28°
  37. 5 AM27°
  38. 6 AM27°
  39. 7 AM27°
  40. 8 AM28°
  41. 9 AM29°
  42. 10 AM31°
  43. 11 AM34°
  44. 12 PM36°
  45. 1 PM39°
  46. 2 PM41°
  47. 3 PM43°
  48. 4 PM42°

10-day forecast

Tap a day for details

  • Today10/28Low 26°High 42°

    This Afternoon: Mostly sunny, with a high near 42. Southwest wind around 5 mph.

    Tonight: Partly cloudy, with a low around 26. Southwest wind 3 to 7 mph.

    Mostly Sunny
  • Thu10/29Low 27°High 42°

    Thursday: Mostly sunny, with a high near 42. South southeast wind 3 to 8 mph.

    Thursday Night: Mostly cloudy, with a low around 27. North wind around 2 mph.

    Mostly Sunny
  • Fri10/3010% chance of precipitationLow 32°High 43°

    Friday: Mostly cloudy, with a high near 43. Southeast wind around 3 mph.

    Friday Night: Partly cloudy, with a low around 32. West southwest wind 0 to 5 mph.

    Mostly Cloudy
  • Sat10/3169% chance of precipitationLow 34°High 46°

    Saturday: A slight chance of rain after noon. Partly sunny, with a high near 46. South southwest wind 3 to 7 mph.

    Saturday Night: A chance of rain between midnight and 5am, then rain and snow likely. Mostly cloudy, with a low around 34. South southwest wind around 5 mph.

    Partly Sunny then Slight Chance Light Rain
  • Sun11/169% chance of precipitationLow 28°High 38°

    Sunday: Rain and snow likely. Mostly cloudy, with a high near 38. New snow accumulation of less than half an inch possible.

    Sunday Night: Rain and snow likely. Mostly cloudy, with a low around 28. New snow accumulation of less than one inch possible.

    Rain And Snow Likely
  • Mon11/225% chance of precipitationLow 28°High 38°

    Monday: A chance of snow before 11am. Mostly sunny, with a high near 38.

    Monday Night: Partly cloudy, with a low around 28.

    Chance Light Snow then Mostly Sunny
  • Tue11/312% chance of precipitationLow 28°High 44°

    Tuesday: Mostly sunny, with a high near 44.

    Tuesday Night: Partly cloudy, with a low around 28.

    Mostly Sunny
  • Wed11/4Model blendLow 27°High 46°

    Wednesday: Partly cloudy. High near 46°. Low that night near 27°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Thu11/5Model blendLow 28°High 47°

    Thursday: Partly cloudy. High near 47°. Low that night near 28°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blendLow 29°High 47°

    Friday: Partly cloudy. High near 47°. Low that night near 29°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 46.372, -112.055 from the NWS TFX office, updated 10/28/2026, 11:31 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KHLN (Helena Rgnl, 16 mi), model run 10/28/2026, 2:00 PM MDT

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. Now40°Mostly Sunny0%5 mph
  2. 6 PM37°Mostly Clear0%3 mph
  3. 7 PM34°Mostly Clear0%3 mph
  4. 8 PM31°Mostly Clear0%5 mph
  5. 9 PM31°Mostly Clear0%5 mph
  6. 10 PM31°Mostly Clear0%6 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 high temperature today in Jefferson City, MT 59638?
The National Weather Service forecast for this afternoon calls for a high near 42°F. Mostly Sunny.
Will it rain in Jefferson City, MT 59638 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 is the 10-day forecast for Jefferson City, MT 59638?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 46°F to 47°F. Model guidance this far out often changes.
What time is sunrise and sunset in Jefferson City, MT 59638 today?
Sunrise is about 8:04 AM MDT and sunset is about 6:19 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Jefferson City, MT 59638?
At Tizer Gardens, the 1991 to 2020 normal high in October is 56°F and the normal low is 26°F.

Nearby hazards

Montana 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

Drought

By county

Jefferson County, week of 10/20/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
8:04 AM
Sunset
6:19 PM
Daylight
10 hr 15 min
Moon
Waning Gibbous 91% lit
First light (civil dawn)
7:33 AM
Last light (civil dusk)
6:50 PM
Moonrise
7:31 PM
Moonset
11:30 AM

Normal October weather

Climate

Normal October high 56°, low 26°, precipitation 1.34 in for the month. 1991 to 2020 normals at Tizer Gardens, 2 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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