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Observed 3:40 PM MDT at KLGU

Lewiston, UT weather

Mostly sunny and 54°12°, jacket by 6 PM.

Today: low 28°−2° (likely 28°−2° to 41°5°), high 57°14° (likely 53°12° to 58°14°).

Mostly agree

Now 54°12°

Mostly sunny

Wind
3 mph5 km/h
From the north-northeast. Up to 5 mph8 km/h through 3 AM
Dew point
39°4°
Comfortable
UV index
3Moderate
Moderate until 4 PM · peak 4
Air quality
14Good
Main pollutant: PM2.5 (fine particles)

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 57°14° today at 4 PM
  • Below freezing tomorrow 4–9 AM (low 29°−2°)
  • Low 29°−2° tomorrow at 7 AM
  • Above 40°4° tomorrow by 10 AM
  1. This afternoonNear 57°14° · Clear
  2. TonightDown to 32°0° by 4 AM · freezing, low 32°0° · Clear
  3. Tomorrow morningUp to 46°8° by 11 AM · freezing, low 29°−2° · Partly cloudy
  4. Tomorrow afternoonUp to 56°13° by 4 PM · Clear
  5. Tomorrow nightDown to 35°2° by 4 AM · Partly cloudy
  6. Monday morningUp to 48°9° by 11 AM · freezing, low 31°−1° · Mostly cloudy
  7. Monday afternoonUp to 58°14° by 2 PM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 3pSunny56°13° (likely 52°11° to 57°14°)56°13°0%3 mph5 km/h from NNW, gusts 8 mph13 km/h57%9%3
Sat 4pSunny57°14° (likely 53°12° to 58°14°)57°14°0%3 mph5 km/h from NNW, gusts 7 mph12 km/h53%8%2
Sat 5pSunny57°14° (likely 53°12° to 57°14°)57°14°0%3 mph5 km/h from NNW, gusts 9 mph14 km/h54%7%1
Sat 6pSunny55°13° (likely 51°11° to 55°13°)55°13°0%3 mph5 km/h from N, gusts 9 mph14 km/h62%5%1
Sat 7pClear51°11° (likely 47°8° to 51°11°)51°11°0%3 mph5 km/h from N, gusts 9 mph15 km/h71%1%0
Sat 8pClear48°9° (likely 45°7° to 48°9°)47°8°0%3 mph5 km/h from N, gusts 9 mph14 km/h83%0%0
Sat 9pClear44°7° (likely 43°6° to 45°7°)41°5°0%5 mph8 km/h from N, gusts 8 mph14 km/h88%8%0
Sat 10pClear42°6° (likely 41°5° to 44°7°)39°4°0%5 mph8 km/h from N, gusts 9 mph14 km/h91%10%0
Sat 11pClear39°4° (likely 39°4° to 42°6°)36°2°0%5 mph8 km/h from N, gusts 5 mph8 km/h99%11%0
Sun 12aClear37°3° (likely 37°3° to 41°5°)34°1°0%3 mph5 km/h from NNW, gusts 4 mph7 km/h100%12%0
Sun 1aClear36°2° (likely 36°2° to 40°4°)33°1°0%3 mph5 km/h from NNW, gusts 3 mph5 km/h100%12%0
Sun 2aClear35°2° (likely 35°2° to 40°4°)32°0°0%3 mph5 km/h from NNW, gusts 2 mph4 km/h100%10%0
Sun 3aClear34°1° (likely 34°1° to 39°4°)34°1°0%2 mph3 km/h from N, gusts 3 mph5 km/h100%14%0
Sun 4aMostly clear32°0° (likely 32°0° to 38°3°)32°0°0%2 mph3 km/h from N, gusts 3 mph5 km/h100%37%0
Sun 5aMostly clear32°0° (likely 32°0° to 37°3°)32°0°0%2 mph3 km/h from N, gusts 2 mph4 km/h100%54%0
Sun 6aPartly cloudy31°−1° (likely 31°−1° to 36°2°)31°−1°0%2 mph3 km/h from N, gusts 3 mph5 km/h100%53%0
Sun 7aPartly cloudy29°−2° (likely 29°−2° to 37°3°)29°−2°0%2 mph3 km/h from N, gusts 3 mph5 km/h100%46%0
Sun 8aSunny31°−1° (likely 31°−1° to 38°3°)31°−1°0%2 mph3 km/h from N, gusts 2 mph3 km/h100%40%0
Sun 9aSunny34°1° (likely 34°1° to 40°4°)34°1°0%2 mph3 km/h from N, gusts 2 mph2 km/h100%40%0
Sun 10aPartly sunny42°6° (likely 40°4° to 44°7°)42°6°0%2 mph3 km/h from N, gusts 2 mph4 km/h88%22%1
Sun 11aSunny46°8° (likely 45°7° to 48°9°)46°8°0%2 mph3 km/h from N, gusts 2 mph4 km/h76%2%2
Sun 12pSunny50°10° (likely 50°10° to 52°11°)50°10°0%2 mph3 km/h from SSW, gusts 3 mph5 km/h68%1%4
Sun 1pSunny53°12° (likely 53°12° to 55°13°)53°12°0%2 mph3 km/h from SSW, gusts 4 mph6 km/h62%2%4
Sun 2pSunny54°12° (likely 54°12° to 57°14°)54°12°0%2 mph3 km/h from SSW, gusts 4 mph7 km/h60%2%4
Sun 3pSunny55°13° (likely 55°13° to 58°14°)55°13°0%3 mph5 km/h from S, gusts 4 mph6 km/h59%1%4
Sun 4pSunny56°13° (likely 56°13° to 58°14°)56°13°0%3 mph5 km/h from S, gusts 4 mph7 km/h56%0%3
Sun 5pSunny55°13° (likely 55°13° to 57°14°)55°13°0%3 mph5 km/h from S, gusts 5 mph8 km/h58%3%2
Sun 6pSunny53°12° (likely 53°12° to 54°12°)53°12°0%2 mph3 km/h from S, gusts 5 mph8 km/h67%0%1
Sun 7pClear50°10° (likely 49°9° to 51°11°)50°10°0%2 mph3 km/h from S, gusts 6 mph9 km/h77%0%0
Sun 8pClear46°8° (likely 45°7° to 48°9°)46°8°0%2 mph3 km/h from S, gusts 5 mph8 km/h87%1%0
Sun 9pClear45°7° (likely 44°7° to 47°8°)45°7°0%2 mph3 km/h from S, gusts 3 mph5 km/h91%5%0
Sun 10pMostly clear43°6° (likely 42°6° to 45°7°)43°6°0%2 mph3 km/h from S, gusts 4 mph6 km/h95%17%0
Sun 11pMostly clear41°5° (likely 41°5° to 44°7°)41°5°0%2 mph3 km/h from S, gusts 3 mph5 km/h100%37%0
Mon 12aMostly clear40°4° (likely 39°4° to 43°6°)40°4°0%1 mph2 km/h from E, gusts 4 mph7 km/h100%53%0
Mon 1aMostly clear39°4° (likely 37°3° to 43°6°)39°4°0%1 mph2 km/h from E, gusts 3 mph5 km/h100%48%0
Mon 2aMostly clear38°3° (likely 36°2° to 42°6°)38°3°0%1 mph2 km/h from E, gusts 2 mph3 km/h100%54%0
Mon 3aPartly cloudy37°3° (likely 35°2° to 41°5°)37°3°0%1 mph2 km/h from E, gusts 2 mph3 km/h100%52%0
Mon 4aPartly cloudy35°2° (likely 35°2° to 41°5°)35°2°0%1 mph2 km/h from E, gusts 2 mph2 km/h100%34%0
Mon 5aPartly cloudy35°2° (likely 34°1° to 40°4°)35°2°0%1 mph2 km/h from E, gusts 2 mph3 km/h100%53%0
Mon 6aPartly cloudy34°1° (likely 33°1° to 40°4°)34°1°0%2 mph3 km/h from E, gusts 2 mph3 km/h100%63%0
Mon 7aPartly cloudy31°−1° (likely 31°−1° to 40°4°)31°−1°0%2 mph3 km/h from E, gusts 2 mph3 km/h100%67%0
Mon 8aCloudy33°1° (likely 32°0° to 41°5°)33°1°0%2 mph3 km/h from E, gusts 2 mph3 km/h100%76%0
Mon 9aPartly sunny36°2° (likely 34°1° to 42°6°)36°2°0%2 mph3 km/h from ESE, gusts 2 mph4 km/h100%85%0
Mon 10aPartly sunny42°6° (likely 39°4° to 46°8°)42°6°0%2 mph3 km/h from ESE, gusts 2 mph4 km/h93%78%1
Mon 11aMostly sunny48°9° (likely 45°7° to 51°11°)48°9°0%2 mph3 km/h from ESE, gusts 4 mph7 km/h82%24%2
Mon 12pSunny53°12° (likely 50°10° to 54°12°)53°12°0%2 mph3 km/h from SSW, gusts 6 mph10 km/h72%12%3
Mon 1pMostly sunny56°13° (likely 53°12° to 58°14°)56°13°0%2 mph3 km/h from SSW, gusts 8 mph12 km/h64%24%4
Mon 2pMostly sunny58°14° (likely 56°13° to 60°16°)58°14°0%2 mph3 km/h from SSW, gusts 10 mph16 km/h58%30%4

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 57°14°, low 28°−2°. Typical 59°15° / 28°−2°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Sunny, 57°14°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 48°9°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 32°0°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 57. North northwest wind around 3 mph.

    Tonight: Mostly clear. Low around 28, with temperatures rising to around 32 overnight. North wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    53°12°–58°14°
    Low, likely
    28°−2°–41°5°
    Typical high / low
    59°15° / 28°−2°
    Wind
    11 mph18 km/h, gusts 20 mph32 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Fog. High 56°13°, low 30°−1°. Typical 58°14° / 28°−2°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 31°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 35°2°

      Dry

    Official NWS forecast

    Day: Mostly sunny, with a high near 56. West wind around 3 mph.

    Night: Mostly clear, with a low around 30. Southeast wind around 2 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    56°13°–58°14°
    Low, likely
    30°−1°–36°2°
    Typical high / low
    58°14° / 28°−2°
    Wind
    5 mph9 km/h, gusts 13 mph20 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly sunny. High 59°15°, low 31°−1°. Typical 58°14° / 28°−2°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 33°1°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 60°15°

      Dry

    3. Evening

      6 PM–midnight

      Rain, 48°9°

      70% chance · 0.24 in6 mm

    4. Overnight

      midnight–6 AM

      Rain, 38°3°

      70% chance · 0.12 in3 mm

    Official NWS forecast

    Day: Sunny, with a high near 59. South southeast wind 2 to 6 mph.

    Night: A chance of rain before 9pm, then showers and thunderstorms between 9pm and 3am, then rain. Mostly cloudy, with a low around 31. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    59°15°–61°16°
    Low, likely
    31°−1°–40°4°
    Typical high / low
    58°14° / 28°−2°
    Wind
    13 mph20 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Snow. High 52°11°, low 27°−3°. Typical 57°14° / 27°−3°. Snow 0.15 in3.8 mm, 40% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Drizzle, 36°2°

      50% chance

    2. Afternoon

      noon–6 PM

      Sunny, 52°11°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 42°6°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 38°3°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain and snow before 9am, then a chance of rain and snow between 9am and noon. Partly sunny, with a high near 52.

    Night: Partly cloudy, with a low around 27.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    51°11°–53°12°
    Low, likely
    27°−3°–38°3°
    Typical high / low
    57°14° / 27°−3°
    Wind
    16 mph25 km/h, gusts 21 mph33 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 57°14°, low 32°0°. Typical 57°14° / 27°−3°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 41°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 57.

    Night: Partly cloudy, with a low around 32.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    54°12°–57°14°
    Low, likely
    31°−1°–38°3°
    Typical high / low
    57°14° / 27°−3°
    Wind
    5 mph8 km/h, gusts 11 mph18 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly cloudy. High 60°16°, low 34°1°. Typical 56°13° / 27°−3°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 49°9°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 43°6°

      40% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 60.

    Night: A chance of rain. Mostly cloudy, with a low around 34.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–61°16°
    Low, likely
    34°1°–44°7°
    Typical high / low
    56°13° / 27°−3°
    Wind
    10 mph16 km/h, gusts 17 mph28 km/h
    UV peak
    3
  7. Friday, Oct 30. Rain. High 56°13°, low 31°−1°. Typical 56°13° / 26°−3°. Rain 0.24 in6.1 mm, 60% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 43°6°

      50% chance · 0.02 in0.4 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 52°11°

      50% chance · 0.06 in1.5 mm

    3. Evening

      6 PM–midnight

      Drizzle, 45°7°

      50% chance · 0.16 in4 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 39°4°

      50% chance · 0.13 in3.3 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain likely. Mostly cloudy, with a high near 56.

    Night: Rain likely. Mostly cloudy, with a low around 31.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    50°10°–57°14°
    Low, likely
    31°−1°–43°6°
    Typical high / low
    56°13° / 26°−3°
    Wind
    11 mph17 km/h, gusts 32 mph51 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 46°8°, low 35°2°. Typical 55°13° / 26°−3°. Rain 0.31 in7.9 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 39°4°

      40% chance · 0.18 in4.6 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 45°7°

      40% chance · 0.05 in1.3 mm

    3. Evening

      6 PM–midnight

      Partly cloudy, 39°4°

      30% chance · 0.11 in2.9 mm

    4. Overnight

      midnight–6 AM

      Clear, 30°−1°

      30% chance · 0.07 in1.7 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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    42°6°–49°9°
    Low, likely
    24°−4°–43°6°
    Typical high / low
    55°13° / 26°−3°
    Wind
    7 mph11 km/h, gusts 18 mph29 km/h
    UV peak
    3
  9. Sunday, Nov 1. Sunny. High 47°8°, low 31°−1°. Typical 55°13° / 26°−3°. Rain 0.18 in4.6 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 31°−1°

      20% chance · 0.03 in0.7 mm

    2. Afternoon

      noon–6 PM

      Sunny, 46°8°

      20% chance

    3. Evening

      6 PM–midnight

      Clear, 38°4°

      30% chance · 0.05 in1.2 mm

    4. Overnight

      midnight–6 AM

      Mostly clear, 30°−1°

      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
    41°5°–51°11°
    Low, likely
    16°−9°–40°4°
    Typical high / low
    55°13° / 26°−3°
    Wind
    8 mph14 km/h, gusts 15 mph24 km/h
    UV peak
    4
  10. Monday, Nov 2. Drizzle. High 45°7°, low 30°−1°. Typical 54°12° / 26°−3°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 33°0°

      30% chance

    2. Afternoon

      noon–6 PM

      Drizzle, 45°7°

      30% chance

    3. Evening

      6 PM–midnight

      Drizzle, 38°3°

      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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    41°5°–48°9°
    Low, likely
    20°−7°–34°1°
    Typical high / low
    54°12° / 26°−3°
    Wind
    5 mph8 km/h, gusts 12 mph20 km/h

The outlook

  1. Today

    Dry, high 57°, low 28°.

  2. Tomorrow

    Dry, high 56°, low 30°.

  3. Monday

    Dry, high 59°, low 31°, warming up.

  4. Rest of week

    Highs 45–60°; chance of precipitation on Tuesday, Friday, Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SLC) (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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Bear River at Idaho-Utah State Line

3.6 mi
Below flood stage
Level
9.1 ft
Flow
313 cfs

Forecast peak 9.2 ft Sun 9 PM

Reading from Sat 2:45 PM · NWS gauge page

Logan River near Logan

16 mi
Below flood stage
Level
2.6 ft
Flow
94 cfs

Forecast peak 2.6 ft Sat 4 PM

Reading from Sat 2 PM · NWS gauge page

Malad River at WOODRUFF

18 mi
Level
2.5 ft
Flow
12 cfs

Reading from Sat 2:30 PM · NWS gauge page

Little Bear River at Hyrum

23 mi
Level
0.2 ft

Reading from Sat 2 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 73% less heating than a typical week.

This week 43Typical 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 25 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°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 2°1° colder than typical.

Normal high / low
59°15° / 28°−2°
Forecast high / low
57°14° / 28°−2°
Record high
75°24° in 1944
Record low
16°−9° in 1995

Last 7 days vs normal

  1. —SunOct 18
  2. —MonOct 19
  3. —TueOct 20
  4. —WedOct 21
  5. —ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Lewiston weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:50 AM, sunset 6:32 PM.

Daylight
10 h 41 min
Losing 2 min 39 s a day; shortest Dec 21, 1 h 34 min less
Golden hour
5:53–6:49 PM
Morning 7:33–8:29 AM
Blue hour
6:49–7:00 PM
Morning 7:22–7:33 AM; first light 7:22 AM

Stars tonight? Fair

Mostly clear 7 PM–4 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 6:08 AM · rises 5:31 PM
Full moon
Oct 25
New moon
Nov 9
Looking east from Lewiston. The highest point on the skyline is about 9,700 ft, 12 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.