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Rexburg, ID 83440 Weather

Today: Partly Sunny, high 54°F, low 36°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Rexburg, ID 83440 current weather

48°F

Sunny

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

H 54° / L 36°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 11:31 AM PT

Hourly forecast

NWS, updated 10/29/2026, 11:31 AM PT

  1. Now48°
  2. 2 PM52°
  3. 3 PM52°
  4. 4 PM52°
  5. 5 PM53°
  6. 6 PM51°
  7. 7 PM47°
  8. 8 PM44°
  9. 9 PM41°
  10. 10 PM41°
  11. 11 PM41°
  12. 12 AM41°Fri
  13. 1 AM40°
  14. 2 AM40°
  15. 3 AM39°
  16. 4 AM38°
  17. 5 AM38°
  18. 6 AM38°
  19. 7 AM36°
  20. 8 AM37°
  21. 9 AM38°
  22. 10 AM44°
  23. 11 AM49°
  24. 12 PM54°
  25. 1 PM56°
  26. 2 PM57°
  27. 3 PM59°
  28. 4 PM57°
  29. 5 PM56°
  30. 6 PM54°16%
  31. 7 PM49°21%
  32. 8 PM47°
  33. 9 PM46°19%
  34. 10 PM45°25%
  35. 11 PM44°10%
  36. 12 AM43°22%Sat
  37. 1 AM42°23%
  38. 2 AM41°25%
  39. 3 AM41°46%
  40. 4 AM39°35%
  41. 5 AM39°44%
  42. 6 AM39°52%
  43. 7 AM38°52%
  44. 8 AM38°52%
  45. 9 AM40°52%
  46. 10 AM42°52%
  47. 11 AM45°52%
  48. 12 PM47°72%

10-day forecast

Tap a day for details

  • Today10/29Low 36°High 54°

    This Afternoon: Partly sunny, with a high near 54. West wind around 3 mph.

    Tonight: Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. East northeast wind around 5 mph.

    Partly Sunny
  • Fri10/3046% chance of precipitationLow 37°High 60°

    Friday: Partly sunny. High near 60, with temperatures falling to around 56 in the afternoon. South wind 3 to 7 mph.

    Friday Night: A chance of rain before 11pm, then areas of fog between 11pm and midnight, then areas of fog and a chance of rain. Mostly cloudy, with a low around 37. South southeast wind around 5 mph. Chance of precipitation is 50%.

    Partly Sunny
  • Sat10/3179% chance of precipitationLow 37°High 54°

    Saturday: Rain likely and areas of fog. Mostly cloudy, with a high near 54. South southeast wind around 3 mph. Chance of precipitation is 70%.

    Saturday Night: Rain likely before 4am, then rain and patchy fog. Mostly cloudy, with a low around 37. Chance of precipitation is 80%.

    Light Rain Likely
  • Sun11/189% chance of precipitationLow 35°High 51°

    Sunday: Rain and patchy fog. Cloudy, with a high near 51. Chance of precipitation is 90%.

    Sunday Night: Rain. Mostly cloudy, with a low around 35. Chance of precipitation is 80%.

    Light Rain
  • Mon11/227% chance of precipitationLow 29°High 51°

    Monday: A chance of rain before 11am. Partly sunny, with a high near 51. Chance of precipitation is 30%.

    Monday Night: Mostly cloudy, with a low around 29.

    Chance Light Rain then Partly Sunny
  • Tue11/3Low 29°High 49°

    Tuesday: Partly sunny, with a high near 49.

    Tuesday Night: Mostly cloudy, with a low around 29.

    Partly Sunny
  • Wed11/4Low 30°High 52°

    Wednesday: Mostly sunny, with a high near 52.

    Wednesday Night: Partly cloudy, with a low around 30.

    Mostly Sunny
  • Thu11/5Model blend10% chance of precipitationLow 30°High 53°

    Thursday: Partly cloudy. High near 53°. Low that night near 30°.

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

  • Fri11/6Model blend16% chance of precipitationLow 31°High 52°

    Friday: Partly cloudy. High near 52°. Low that night near 31°.

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

  • Sat11/7Model blend14% chance of precipitationLow 30°High 52°

    Saturday: Partly cloudy. High near 52°. Low that night near 30°.

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

Forecast for 43.797, -111.826 from the NWS PIH office, updated 10/29/2026, 11:31 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KRXE (Rexburg/Madison Cnty, 3 mi), model run 10/29/2026, 8:00 AM 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. Now48°Sunny0%3 mph
  2. 2 PM52°Mostly Sunny0%3 mph
  3. 3 PM52°Partly Sunny0%3 mph
  4. 4 PM52°Mostly Cloudy0%3 mph
  5. 5 PM53°Mostly Cloudy0%3 mph
  6. 6 PM51°Mostly Cloudy1%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 high temperature today in Rexburg, ID 83440?
The National Weather Service forecast for this afternoon calls for a high near 54°F. Partly Sunny.
Will it rain in Rexburg, ID 83440 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 Rexburg, ID 83440?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 52°F to 53°F. Model guidance this far out often changes.
What time is sunrise and sunset in Rexburg, ID 83440 today?
Sunrise is about 7:59 AM MDT and sunset is about 6:21 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Rexburg, ID 83440?
At Rexburg Byu Idaho, the 1991 to 2020 normal high in October is 58°F and the normal low is 33°F.

Nearby hazards

Idaho 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 (Idaho Falls)
18GoodPM2.5
AQI forecast tomorrow (Idaho Falls)
20GoodPM2.5

UV index guide · Air quality

Drought

By county

Madison County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:59 AM
Sunset
6:21 PM
Daylight
10 hr 22 min
Moon
Waning Gibbous 85% lit
First light (civil dawn)
7:30 AM
Last light (civil dusk)
6:51 PM
Moonrise
8:44 PM
Moonset
12:28 PM

Normal October weather

Climate

Normal October high 58°, low 33°, precipitation 1.13 in for the month. 1991 to 2020 normals at Rexburg Byu Idaho, 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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