Bear River at Idaho-Utah State Line
7.5 mi- Level
- 9.1 ft
- Flow
- 325 cfs
Forecast peak 9.2 ft Sun 10 AM
Reading from Sat 3:45 AM · NWS gauge page
Model estimate for 5:00 AM MDT (no recent station report)
Dayton, ID weather
Partly cloudy and 36°2°.
Today: low 33°1° (likely 33°1° to 39°4°), high 56°13° (likely 53°12° to 56°13°).
Now 36°2°
Partly cloudy · Feels like 30°−1°
- Feels like
- 30°−1°
- Wind chill from 8 mph13 km/h wind · air 36°2°
- Wind
- 8 mph13 km/h
- From the north. 58–9 mph14 km/h through 5 PM
- Dew point
- 36°2°
- Comfortable
- Humidity
- 100%
- Air 36°2°, dew point 36°2° · frost likely
- UV index
- 0Low
- Moderate 12–4 PM · peak 3
- Air quality
- 5Good
- Main pollutant: PM2.5 (fine particles)
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This morningUp to 46°8° by 11 AM · Partly cloudy
This afternoonUp to 56°13° by 4 PM · Clear
TonightDown to 34°1° by 5 AM · Clear
Tomorrow morningUp to 46°8° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 56°13° by 4 PM · Clear
Tomorrow nightDown to 36°2° by 4 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5a | Partly cloudy | 36°2° (likely 36°2° to 41°5°) | 30°−1° | 0% | 8 mph13 km/h from N, gusts 12 mph20 km/h | 100% | 67% | 0 |
| Sat 6a | Partly cloudy | 35°2° (likely 35°2° to 40°4°) | 28°−2° | 0% | 8 mph13 km/h from N, gusts 11 mph18 km/h | 100% | 52% | 0 |
| Sat 7a | Mostly clear | 34°1° (likely 34°1° to 39°4°) | 27°−3° | 0% | 8 mph13 km/h from N, gusts 12 mph19 km/h | 100% | 51% | 0 |
| Sat 8a | Mostly sunny | 36°2° (likely 36°2° to 40°4°) | 30°−1° | 0% | 8 mph13 km/h from N, gusts 12 mph20 km/h | 100% | 47% | 0 |
| Sat 9a | Mostly sunny | 38°3° (likely 38°3° to 41°5°) | 32°0° | 0% | 9 mph14 km/h from N, gusts 12 mph20 km/h | 100% | 23% | 0 |
| Sat 10a | Sunny | 43°6° (likely 41°5° to 43°6°) | 38°3° | 0% | 8 mph13 km/h from N, gusts 13 mph21 km/h | 91% | 11% | 1 |
| Sat 11a | Sunny | 46°8° (likely 45°7° to 46°8°) | 42°6° | 0% | 7 mph11 km/h from N, gusts 13 mph20 km/h | 84% | 11% | 2 |
| Sat 12p | Sunny | 48°9° (likely 47°8° to 49°9°) | 45°7° | 0% | 6 mph10 km/h from NNE, gusts 12 mph19 km/h | 76% | 11% | 3 |
| Sat 1p | Sunny | 53°12° (likely 50°10° to 53°12°) | 53°12° | 0% | 6 mph10 km/h from NNE, gusts 10 mph16 km/h | 68% | 9% | 3 |
| Sat 2p | Sunny | 54°12° (likely 52°11° to 54°12°) | 54°12° | 0% | 5 mph8 km/h from NNE, gusts 9 mph15 km/h | 62% | 10% | 3 |
| Sat 3p | Sunny | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 5 mph8 km/h from NNE, gusts 10 mph16 km/h | 59% | 8% | 3 |
| Sat 4p | Sunny | 56°13° (likely 53°12° to 56°13°) | 56°13° | 0% | 5 mph8 km/h from N, gusts 9 mph14 km/h | 59% | 5% | 2 |
| Sat 5p | Mostly sunny | 54°12° (likely 53°12° to 55°13°) | 54°12° | 0% | 5 mph8 km/h from N, gusts 11 mph17 km/h | 59% | 35% | 1 |
| Sat 6p | Mostly sunny | 53°12° (likely 50°10° to 53°12°) | 53°12° | 0% | 5 mph8 km/h from N, gusts 11 mph18 km/h | 65% | 36% | 1 |
| Sat 7p | Mostly clear | 50°10° (likely 46°8° to 50°10°) | 48°9° | 0% | 5 mph8 km/h from N, gusts 10 mph16 km/h | 72% | 15% | 0 |
| Sat 8p | Clear | 45°7° (likely 44°7° to 47°8°) | 42°6° | 0% | 6 mph10 km/h from N, gusts 11 mph17 km/h | 81% | 1% | 0 |
| Sat 9p | Clear | 44°7° (likely 42°6° to 45°7°) | 40°4° | 0% | 7 mph11 km/h from N, gusts 11 mph17 km/h | 85% | 0% | 0 |
| Sat 10p | Clear | 42°6° (likely 41°5° to 44°7°) | 38°3° | 0% | 7 mph11 km/h from N, gusts 11 mph17 km/h | 86% | 0% | 0 |
| Sat 11p | Clear | 40°4° (likely 40°4° to 43°6°) | 35°2° | 0% | 7 mph11 km/h from NNW, gusts 10 mph15 km/h | 92% | 0% | 0 |
| Sun 12a | Clear | 38°3° (likely 38°3° to 42°6°) | 34°1° | 0% | 6 mph10 km/h from NNW, gusts 10 mph16 km/h | 97% | 2% | 0 |
| Sun 1a | Clear | 37°3° (likely 37°3° to 41°5°) | 32°0° | 0% | 6 mph10 km/h from NNW, gusts 10 mph16 km/h | 99% | 4% | 0 |
| Sun 2a | Clear | 37°3° (likely 37°3° to 40°4°) | 33°1° | 0% | 5 mph8 km/h from NNW, gusts 8 mph13 km/h | 99% | 6% | 0 |
| Sun 3a | Mostly clear | 36°2° (likely 36°2° to 40°4°) | 32°0° | 0% | 5 mph8 km/h from N, gusts 9 mph15 km/h | 98% | 15% | 0 |
| Sun 4a | Mostly clear | 35°2° (likely 35°2° to 41°5°) | 31°−1° | 0% | 5 mph8 km/h from N, gusts 8 mph13 km/h | 99% | 43% | 0 |
| Sun 5a | Mostly clear | 34°1° (likely 34°1° to 40°4°) | 30°−1° | 0% | 5 mph8 km/h from N, gusts 8 mph13 km/h | 100% | 46% | 0 |
| Sun 6a | Partly cloudy | 34°1° (likely 34°1° to 39°4°) | 31°−1° | 0% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 100% | 46% | 0 |
| Sun 7a | Clear | 34°1° (likely 34°1° to 39°4°) | 31°−1° | 0% | 3 mph5 km/h from N, gusts 5 mph7 km/h | 100% | 7% | 0 |
| Sun 8a | Sunny | 33°1° (likely 33°1° to 39°4°) | 30°−1° | 0% | 3 mph5 km/h from N, gusts 5 mph7 km/h | 100% | 40% | 0 |
| Sun 9a | Sunny | 37°3° (likely 35°2° to 41°5°) | 34°1° | 0% | 3 mph5 km/h from NE, gusts 3 mph5 km/h | 93% | 41% | 0 |
| Sun 10a | Mostly sunny | 43°6° (likely 41°5° to 45°7°) | 41°5° | 0% | 3 mph5 km/h from NE, gusts 5 mph8 km/h | 84% | 56% | 1 |
| Sun 11a | Mostly sunny | 46°8° (likely 45°7° to 50°10°) | 45°7° | 0% | 3 mph5 km/h from NE, gusts 3 mph6 km/h | 76% | 33% | 3 |
| Sun 12p | Sunny | 50°10° (likely 49°9° to 53°12°) | 49°9° | 0% | 3 mph5 km/h from S, gusts 4 mph6 km/h | 69% | 15% | 4 |
| Sun 1p | Mostly sunny | 53°12° (likely 52°11° to 55°13°) | 53°12° | 0% | 3 mph5 km/h from S, gusts 6 mph9 km/h | 64% | 30% | 4 |
| Sun 2p | Sunny | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 3 mph5 km/h from S, gusts 7 mph11 km/h | 61% | 23% | 4 |
| Sun 3p | Sunny | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 5 mph8 km/h from S, gusts 7 mph11 km/h | 60% | 22% | 4 |
| Sun 4p | Sunny | 56°13° (likely 55°13° to 57°14°) | 56°13° | 0% | 5 mph8 km/h from S, gusts 7 mph11 km/h | 61% | 15% | 3 |
| Sun 5p | Sunny | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 5 mph8 km/h from S, gusts 7 mph11 km/h | 63% | 16% | 2 |
| Sun 6p | Sunny | 53°12° (likely 52°11° to 53°12°) | 53°12° | 0% | 3 mph5 km/h from S, gusts 6 mph10 km/h | 70% | 13% | 1 |
| Sun 7p | Clear | 50°10° (likely 49°9° to 50°10°) | 49°9° | 0% | 3 mph5 km/h from S, gusts 6 mph10 km/h | 76% | 9% | 0 |
| Sun 8p | Clear | 48°9° (likely 46°8° to 48°9°) | 47°8° | 0% | 3 mph5 km/h from S, gusts 5 mph8 km/h | 81% | 2% | 0 |
| Sun 9p | Clear | 45°7° (likely 45°7° to 47°8°) | 45°7° | 0% | 2 mph3 km/h from SSE, gusts 4 mph7 km/h | 86% | 5% | 0 |
| Sun 10p | Clear | 43°6° (likely 43°6° to 46°8°) | 43°6° | 0% | 2 mph3 km/h from SSE, gusts 4 mph6 km/h | 91% | 4% | 0 |
| Sun 11p | Clear | 41°5° (likely 41°5° to 45°7°) | 41°5° | 0% | 2 mph3 km/h from SSE, gusts 4 mph7 km/h | 95% | 6% | 0 |
| Mon 12a | Clear | 39°4° (likely 39°4° to 45°7°) | 39°4° | 0% | 2 mph3 km/h from E, gusts 5 mph7 km/h | 98% | 11% | 0 |
| Mon 1a | Mostly clear | 38°3° (likely 38°3° to 46°8°) | 38°3° | 0% | 2 mph3 km/h from E, gusts 5 mph9 km/h | 100% | 10% | 0 |
| Mon 2a | Mostly clear | 38°3° (likely 37°3° to 45°7°) | 38°3° | 0% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 100% | 11% | 0 |
| Mon 3a | Mostly clear | 37°3° (likely 36°2° to 45°7°) | 37°3° | 0% | 2 mph3 km/h from E, gusts 6 mph9 km/h | 100% | 11% | 0 |
| Mon 4a | Mostly clear | 36°2° (likely 36°2° to 44°7°) | 36°2° | 0% | 2 mph3 km/h from E, gusts 6 mph9 km/h | 100% | 14% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 56°13°, low 33°1°. Typical 59°15° / 28°−2°. Dry. Forecasts agree.
Morning
6 AM–noon
Mostly sunny, 36°2°Dry
Afternoon
noon–6 PM
Sunny, 56°13°Dry
Evening
6 PM–midnight
Clear, 45°7°Dry
Overnight
midnight–6 AM
Mostly clear, 34°1°Dry
Official NWS forecast
Today: Sunny. High near 56, with temperatures falling to around 54 in the afternoon. North wind 5 to 9 mph.
Tonight: Partly cloudy. Low around 33, with temperatures rising to around 36 overnight. North wind around 8 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 53°12°–56°13°
- Low, likely
- 33°1°–39°4°
- Typical high / low
- 59°15° / 28°−2°
- Wind
- 11 mph17 km/h, gusts 20 mph32 km/h
- UV peak
- 4
Tomorrow, Oct 25. Mostly sunny. High 56°13°, low 34°1°. Typical 58°14° / 28°−2°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 33°1°Dry
Afternoon
noon–6 PM
Sunny, 56°13°Dry
Evening
6 PM–midnight
Clear, 48°9°Dry
Overnight
midnight–6 AM
Mostly clear, 36°2°Dry
Official NWS forecast
Day: Sunny, with a high near 56. Northeast wind around 5 mph.
Night: Mostly clear, with a low around 34. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 55°13°–58°14°
- Low, likely
- 33°1°–39°4°
- Typical high / low
- 58°14° / 28°−2°
- Wind
- 7 mph12 km/h, gusts 13 mph21 km/h
- UV peak
- 4
Monday, Oct 26. Partly sunny. High 57°14°, low 34°1°. Typical 58°14° / 28°−2°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 40°4°Dry
Afternoon
noon–6 PM
Cloudy, 58°14°Dry
Evening
6 PM–midnight
Rain, 48°9°40% chance · 0.19 in4.9 mm
Overnight
midnight–6 AM
Rain, 37°3°60% chance · 0.18 in4.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57.
Night: Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 56°13°–60°16°
- Low, likely
- 34°1°–42°6°
- Typical high / low
- 58°14° / 28°−2°
- Wind
- 16 mph26 km/h, gusts 34 mph55 km/h
- UV peak
- 4
Tuesday, Oct 27. Rain. High 51°11°, low 29°−2°. Typical 57°14° / 27°−3°. Rain 0.19 in4.8 mm, 40% chance. Mostly agree.
Morning
6 AM–noon
Drizzle, 36°2°50% chance · 0.02 in0.5 mm
Afternoon
noon–6 PM
Cloudy, 49°10°20% chance
Evening
6 PM–midnight
Cloudy, 42°5°Dry
Overnight
midnight–6 AM
Cloudy, 34°1°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 29.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 47°8°–51°11°
- Low, likely
- 29°−2°–38°3°
- Typical high / low
- 57°14° / 27°−3°
- Wind
- 12 mph19 km/h, gusts 37 mph59 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 56°13°, low 34°1°. Typical 57°14° / 27°−3°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 34°1°Dry
Afternoon
noon–6 PM
Partly sunny, 54°12°Dry
Evening
6 PM–midnight
Cloudy, 45°7°Dry
Overnight
midnight–6 AM
Partly cloudy, 40°5°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 56.
Night: Partly cloudy, with a low around 34.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 52°11°–56°13°
- Low, likely
- 28°−2°–37°3°
- Typical high / low
- 57°14° / 27°−3°
- Wind
- 7 mph11 km/h, gusts 17 mph27 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 58°14°, low 36°2°. Typical 56°13° / 27°−3°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 40°5°Dry
Afternoon
noon–6 PM
Cloudy, 59°15°Dry
Evening
6 PM–midnight
Cloudy, 50°10°Dry
Overnight
midnight–6 AM
Cloudy, 44°7°30% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 58.
Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 56°13°–61°16°
- Low, likely
- 34°1°–43°6°
- Typical high / low
- 56°13° / 27°−3°
- Wind
- 10 mph16 km/h, gusts 22 mph35 km/h
- UV peak
- 3
Friday, Oct 30. Rain. High 57°14°, low 41°5°. Typical 56°13° / 26°−3°. Rain 0.38 in9.7 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 44°7°40% chance · 0.1 in2.4 mm
Afternoon
noon–6 PM
Drizzle, 51°10°40% chance · 0.13 in3.4 mm
Evening
6 PM–midnight
Drizzle, 46°8°50% chance · 0.19 in4.7 mm
Overnight
midnight–6 AM
Drizzle, 39°4°50% chance · 0.06 in1.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 46°8°–57°14°
- Low, likely
- 38°3°–45°7°
- Typical high / low
- 56°13° / 26°−3°
- Wind
- 18 mph29 km/h, gusts 23 mph37 km/h
- UV peak
- 3
Saturday, Oct 31. Drizzle. High 45°7°, low 34°1°. Typical 55°13° / 26°−3°. Rain 0.25 in6.4 mm, 50% chance. Forecasts agree.
Morning
6 AM–noon
Partly sunny, 36°2°50% chance · 0.11 in2.7 mm
Afternoon
noon–6 PM
Cloudy, 45°7°40% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
Clear, 38°3°30% chance · 0.02 in0.6 mm
Overnight
midnight–6 AM
Mostly clear, 33°1°30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 44°7°–47°8°
- Low, likely
- 26°−3°–40°4°
- Typical high / low
- 55°13° / 26°−3°
- Wind
- 10 mph16 km/h
- UV peak
- 3
Sunday, Nov 1. Mostly sunny. High 45°7°, low 31°−1°. Typical 55°13° / 26°−3°. Rain 0.06 in1.5 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 33°1°20% chance
Afternoon
noon–6 PM
Sunny, 46°8°20% chance
Evening
6 PM–midnight
Clear, 38°3°20% chance · 0.04 in1.1 mm
Overnight
midnight–6 AM
Clear, 31°−1°20% chance · 0.04 in1.1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 41°5°–49°9°
- Low, likely
- 21°−6°–40°4°
- Typical high / low
- 55°13° / 26°−3°
- Wind
- 6 mph9 km/h, gusts 11 mph18 km/h
- UV peak
- 4
Monday, Nov 2. Cloudy. High 47°8°, low 32°0°. Typical 54°12° / 26°−3°. Rain 0.19 in4.8 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 31°0°20% chance · 0.2 in0.6 cm
Afternoon
noon–6 PM
Cloudy, 45°7°20% chance · 0.2 in0.5 cm
Evening
6 PM–midnight
Cloudy, 39°4°20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 43°6°–54°12°
- Low, likely
- 28°−2°–36°2°
- Typical high / low
- 54°12° / 26°−3°
- Wind
- 6 mph10 km/h, gusts 11 mph18 km/h
- UV peak
- 3
The outlook
Today
Dry, high 56°, low 33°.
Tomorrow
Dry, high 56°, low 34°.
Monday
Dry, high 57°, low 34°.
Rest of week
Highs 45–58°; chance of precipitation on Tuesday, Saturday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PIH) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Malad River at WOODRUFF
14 mi- Level
- 2.5 ft
- Flow
- 12 cfs
Reading from Sat 3:30 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 74% less heating than a typical week.
This week 41Typical 159
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 30
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at. About 22 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 36°F).
Open the windows?
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Is this typical?
Trenton · official normals 1991–2020 · records 1944–2026
Oct 24, today vs a typical year
Today’s expected high is 3°2° colder than typical.
- Normal high / low
- 59°15° / 28°−2°
- Forecast high / low
- 56°13° / 33°1°
- Record high
- 75°24° in 1944
- Record low
- 16°−9° in 1995
Last 7 days vs normal
- —SunOct 18
- —MonOct 19
- —TueOct 20
- —WedOct 21
- —ThuOct 22
- —FriOct 23
- —SatOct 24
Dayton weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:51 AM, sunset 6:32 PM.
- Daylight
- 10 h 41 min
- Losing 2 min 39 s a day; shortest Dec 21, 1 h 35 min less
- Golden hour
- 5:53–6:49 PM
- Morning 7:33–8:30 AM
- Blue hour
- 6:49–7:00 PM
- Morning 7:22–7:33 AM; first light 7:22 AM
Stars tonight? Poor
Clouds most of the night (about 57% cover).
Moon
Waxing gibbous
96% lit · growing
- Today
- sets 6:08 AM · rises 5:32 PM
- Full moon
- Oct 25
- New moon
- Nov 9
