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Observed 12:15 PM MDT at KGNB

Grand Lake, CO weather

Overcast and 54°12°, snow ~6–8 PM (56%).

Today: low 31°−1° (likely 28°−2° to 31°−1°), high 47°8° (likely 38°3° to 47°8°).

One forecast only

Now 54°12°

Cloudy

Wind
9 mph14 km/h
From the east. 58–9 mph14 km/h through 1 AM
Dew point
28°−2°
Dry, static shocks likely
UV index
4Moderate
Moderate until 3 PM
Air today
45Good
EPA forecast · Ozone

Next 48 hours

3°2° cooler than this time yesterday (57°14° then, 54°12° now)

Good hours for
  • Dry until 3 PM
  • Rain today 3 PM–midnight (60%, 0.18 in4.6 mm)
  • Rain and storms tomorrow noon–midnight (80%, 0.66 in17 mm)
  • Hard freeze tomorrow night 10 PM–10 AM (low 26°−3°)
  • Snow tomorrow night midnight–6 AM (70%, 1–2 in3–5 cm)
  1. This afternoonNear 45°7° · Rain 3–6 PM (20%)
  2. TonightDown to 33°1° by 3 AM · Rain 6 PM–midnight (60%)
  3. Tomorrow morningUp to 46°8° by 11 AM · rain chance 20% · freezing, low 31°−1°
  4. Tomorrow afternoonNear 48°9° · Storms all afternoon (50%)
  5. Tomorrow nightDown to 27°−3° by 5 AM · Rain 6 PM–midnight (80%) · freezing, low 27°−3°
  6. Monday morningUp to 40°4° by 11 AM · Rain all morning (40%) · freezing, low 26°−3°
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 1pMostly cloudy45°7° (likely 37°3° to 45°7°)40°4°10%, 0.02 in0.5 mm9 mph14 km/h from E53%—4
Sat 2pMostly cloudy46°8° (likely 37°3° to 46°8°)41°5°10%, 0.02 in0.5 mm9 mph14 km/h from ESE51%—3
Sat 3pShowers46°8° (likely 36°2° to 46°8°)41°5°20%, 0.02 in0.5 mm9 mph14 km/h from E51%—2
Sat 4pShowers46°8° (likely 35°2° to 46°8°)41°5°20%, 0.02 in0.5 mm9 mph14 km/h from E49%—1
Sat 5pShowers45°7° (likely 33°1° to 45°7°)41°5°20%, 0.02 in0.5 mm8 mph13 km/h from E53%—0
Sat 6pSnow43°6° (likely 30°−1° to 43°6°)39°4°60%, 0.02 in0.5 mm7 mph11 km/h from E57%——
Sat 7pSnow40°4° (likely 29°−2° to 40°4°)35°2°60%, 0.02 in0.5 mm7 mph11 km/h from E67%——
Sat 8pSnow39°4° (likely 29°−2° to 39°4°)34°1°60%, 0.02 in0.5 mm7 mph11 km/h from E70%——
Sat 9pSnow37°3° (likely 28°−2° to 37°3°)32°0°20%, 0.02 in0.5 mm7 mph11 km/h from E75%——
Sat 10pSnow36°2° (likely 28°−2° to 36°2°)30°−1°20%, 0.02 in0.5 mm7 mph11 km/h from E79%——
Sat 11pSnow36°2° (likely 28°−2° to 36°2°)31°−1°20%, 0.02 in0.5 mm6 mph10 km/h from E75%——
Sun 12aMostly cloudy36°2° (likely 28°−2° to 36°2°)32°0°5%5 mph8 km/h from E79%——
Sun 1aMostly cloudy34°1° (likely 28°−2° to 34°1°)30°−1°5%5 mph8 km/h from E82%——
Sun 2aMostly cloudy35°2° (likely 28°−2° to 35°2°)32°0°5%3 mph5 km/h from E82%——
Sun 3aMostly cloudy33°1° (likely 28°−2° to 33°1°)30°−1°5%3 mph5 km/h from E85%——
Sun 4aMostly cloudy34°1° (likely 28°−2° to 34°1°)31°−1°5%3 mph5 km/h from ESE82%——
Sun 5aMostly cloudy34°1° (likely 28°−2° to 34°1°)34°1°5%2 mph3 km/h from SSE78%——
Sun 6aMostly cloudy33°1° (likely 29°−2° to 33°1°)33°1°10%2 mph3 km/h from E82%——
Sun 7aMostly cloudy31°−1° (likely 28°−2° to 31°−1°)31°−1°10%2 mph3 km/h from NNE88%——
Sun 8aPartly sunny31°−1° (likely 29°−2° to 31°−1°)31°−1°10%1 mph2 km/h from E92%——
Sun 9aShowers36°2° (likely 35°2° to 36°2°)36°2°20%1 mph2 km/h from W89%——
Sun 10aShowers43°6° (likely 40°4° to 43°6°)43°6°20%2 mph3 km/h from SW67%——
Sun 11aShowers46°8° (likely 43°6° to 46°8°)45°7°20%3 mph5 km/h from SSW58%——
Sun 12pShowers49°9° (likely 44°7° to 49°9°)47°8°40%, 0.03 in0.8 mm5 mph8 km/h from SSW50%——
Sun 1pShowers50°10° (likely 45°7° to 50°10°)48°9°40%, 0.03 in0.8 mm5 mph8 km/h from SSW46%——
Sun 2pShowers48°9° (likely 45°7° to 48°9°)45°7°40%, 0.03 in0.8 mm6 mph10 km/h from SSW46%——
Sun 3pThunderstorms48°9° (likely 43°6° to 48°9°)45°7°50%, 0.03 in0.8 mm6 mph10 km/h from SSW44%——
Sun 4pThunderstorms48°9° (likely 41°5° to 48°9°)46°8°50%, 0.03 in0.8 mm5 mph8 km/h from SSW46%——
Sun 5pThunderstorms46°8° (likely 38°3° to 46°8°)44°7°50%, 0.03 in0.8 mm5 mph8 km/h from S56%——
Sun 6pShowers41°5° (likely 34°1° to 41°5°)39°4°80%, 0.08 in2 mm3 mph5 km/h from ESE70%——
Sun 7pShowers38°3° (likely 31°−1° to 38°3°)36°2°80%, 0.08 in2 mm3 mph5 km/h from SE82%——
Sun 8pShowers36°2° (likely 30°−1° to 36°2°)33°1°80%, 0.08 in2 mm3 mph5 km/h from S89%——
Sun 9pShowers34°1° (likely 30°−1° to 34°1°)31°−1°80%, 0.08 in2 mm3 mph5 km/h from SSW100%——
Sun 10pShowers32°0° (likely 30°−1° to 32°0°)29°−2°80%, 0.08 in2 mm3 mph5 km/h from WSW100%——
Sun 11pShowers32°0° (likely 29°−2° to 32°0°)29°−2°80%, 0.08 in2 mm3 mph5 km/h from WSW100%——
Mon 12aSnow31°−1° (likely 29°−2° to 31°−1°)28°−2°70%, snow 0.3 in0.8 cm3 mph5 km/h from SW100%——
Mon 1aSnow30°−1° (likely 30°−1° to 30°−1°)30°−1°70%, snow 0.3 in0.8 cm2 mph3 km/h from WSW100%——
Mon 2aSnow30°−1° (likely 30°−1° to 30°−1°)30°−1°70%, snow 0.3 in0.8 cm2 mph3 km/h from WSW100%——
Mon 3aSnow29°−2° (likely 29°−2° to 29°−2°)25°−4°70%, snow 0.3 in0.8 cm3 mph5 km/h from WSW100%——
Mon 4aSnow28°−2° (likely 28°−2° to 28°−2°)28°−2°70%, snow 0.3 in0.8 cm2 mph3 km/h from WSW100%——
Mon 5aSnow27°−3° (likely 27°−3° to 27°−3°)23°−5°70%, snow 0.3 in0.8 cm3 mph5 km/h from WSW100%——
Mon 6aSnow28°−2° (likely 28°−2° to 28°−2°)23°−5°40%, 0.01 in0.3 mm5 mph8 km/h from WSW100%——
Mon 7aSnow26°−3° (likely 26°−3° to 26°−3°)20°−7°40%, 0.01 in0.3 mm5 mph8 km/h from WSW100%——
Mon 8aSnow28°−2° (likely 28°−2° to 28°−2°)23°−5°40%, 0.01 in0.3 mm5 mph8 km/h from WSW100%——
Mon 9aSnow31°−1° (likely 31°−1° to 31°−1°)26°−3°40%, 0.01 in0.3 mm5 mph8 km/h from WSW100%——
Mon 10aSnow36°2° (likely 36°2° to 36°2°)31°−1°40%, 0.01 in0.3 mm6 mph10 km/h from WSW92%——
Mon 11aSnow40°4° (likely 40°4° to 40°4°)36°2°40%, 0.01 in0.3 mm6 mph10 km/h from WSW79%——
Mon 12pMostly cloudy44°7° (likely 44°7° to 44°7°)40°4°5%7 mph11 km/h from WSW65%——

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Showers. High 47°8°, low 31°−1°. Typical 51°11° / 21°−6°. Rain 0.07 in1.8 mm, 20% chance. One forecast only.

    1. Afternoon

      noon–6 PM

      Showers, 46°8°

      20% chance · 0.1 in2.5 mm

    2. Evening

      6 PM–midnight

      Snow, 39°4°

      60% chance · 0.12 in3 mm

    3. Overnight

      midnight–6 AM

      Mostly cloudy, 33°1°

      Dry

    Official NWS forecast

    Today: A slight chance of rain showers after 3pm. Mostly cloudy. High near 47, with temperatures falling to around 45 in the afternoon. East southeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: Rain and snow showers likely before 9pm, then a slight chance of rain and snow showers between 9pm and midnight. Mostly cloudy. Low around 31, with temperatures rising to around 34 overnight. East southeast wind 2 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    38°3°–47°8°
    Low, likely
    28°−2°–31°−1°
    Typical high / low
    51°11° / 21°−6°
    Wind
    10 mph17 km/h
  2. Tomorrow, Oct 25. Showers. High 51°11°, low 25°−4°. Typical 50°10° / 20°−7°. Rain 0.12 in3 mm, 50% chance. One forecast only.

    1. Morning

      6 AM–noon

      Showers, 31°−1°

      Dry

    2. Afternoon

      noon–6 PM

      Thunderstorms, 50°10°

      50% chance · 0.18 in4.6 mm

    3. Evening

      6 PM–midnight

      Showers, 36°2°

      80% chance · 0.48 in12 mm

    4. Overnight

      midnight–6 AM

      Snow, 27°−3°

      70% chance · 1.8 in4.6 cm

    Official NWS forecast

    Day: A chance of rain showers between 9am and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 51, with temperatures falling to around 46 in the afternoon. South wind 1 to 6 mph. Chance of precipitation is 50%.

    Night: Rain showers before midnight, then rain and snow showers likely. Mostly cloudy, with a low around 25. South southwest wind around 3 mph. Chance of precipitation is 80%. New snow accumulation of less than half an inch possible.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    45°7°–51°11°
    Low, likely
    25°−4°–28°−2°
    Typical high / low
    50°10° / 20°−7°
    Wind
    5 mph7 km/h
  3. Monday, Oct 26. Snow. High 51°11°, low 20°−7°. Typical 50°10° / 20°−7°. Snow 0.1 in2.5 mm, 40% chance. One forecast only.

    1. Morning

      6 AM–noon

      Snow, 28°−2°

      40% chance · 0.06 in1.5 mm

    Official NWS forecast

    Day: A chance of rain and snow showers before noon. Partly sunny, with a high near 51. West southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    Night: Mostly clear, with a low around 20.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    37°3°–51°11°
    Low, likely
    20°−7°–25°−4°
    Typical high / low
    50°10° / 20°−7°
    Wind
    9 mph15 km/h
  4. Tuesday, Oct 27. Mostly sunny. High 55°13°, low 20°−7°. Typical 49°9° / 20°−7°. Dry. One forecast only.

    Official NWS forecast

    Day: Sunny, with a high near 55.

    Night: Mostly clear, with a low around 20.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    39°4°–55°13°
    Low, likely
    20°−7°–24°−4°
    Typical high / low
    49°9° / 20°−7°
    Wind
    13 mph21 km/h
  5. Wednesday, Oct 28. Mostly sunny. High 57°14°, low 23°−5°. Typical 49°9° / 20°−7°. Dry. One forecast only.

    Official NWS forecast

    Day: Sunny, with a high near 57.

    Night: Partly cloudy, with a low around 23.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    42°6°–57°14°
    Low, likely
    23°−5°–24°−4°
    Typical high / low
    49°9° / 20°−7°
    Wind
    10 mph15 km/h
  6. Thursday, Oct 29. Partly sunny. High 59°15°, low 26°−3°. Typical 48°9° / 19°−7°. Dry. One forecast only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 59.

    Night: Mostly cloudy, with a low around 26.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    43°6°–59°15°
    Low, likely
    25°−4°–26°−3°
    Typical high / low
    48°9° / 19°−7°
    Wind
    8 mph12 km/h
  7. Friday, Oct 30. Mostly cloudy. High 58°14°, low 26°−3°. Typical 48°9° / 19°−7°. Dry. One forecast only.

    Official NWS forecast

    Day: Partly sunny, with a high near 58.

    Night: A slight chance of snow showers after midnight. Mostly cloudy, with a low around 26.

    One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.

    High, likely
    42°6°–58°14°
    Low, likely
    26°−3°–28°−2°
    Typical high / low
    48°9° / 19°−7°
    Wind
    7 mph12 km/h

The outlook

  1. Today

    Dry, high 47°, low 31°.

  2. Tomorrow

    52% chance of rain, high 51°, low 25°, warming up.

  3. Monday

    36% chance of snow, high 51°, low 20°.

  4. Rest of week

    Mostly dry, highs 55–59°.

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

Colorado River below Bakers Gulch

5.0 mi
Below flood stage
Level
4.1 ft
Flow
13 cfs

Forecast peak 4.1 ft Sat 1 PM

Reading from Sat 11:30 AM · NWS gauge page

Willow Creek (CO) below Willow Creek Reservoir

9.6 mi
Below flood stage
Level
2.5 ft
Flow
8 cfs

Forecast peak 2.4 ft Sat 1 PM

Reading from Sat 11:45 AM · NWS gauge page

Colorado River near Granby

10 mi
Below flood stage
Level
1.1 ft
Flow
25 cfs

Forecast peak 3.3 ft Sat 1 PM

Reading from Sat 11:40 AM · NWS gauge page

Colorado River at Windy Gap

14 mi
Below flood stage
Level
3.4 ft
Flow
68 cfs

Forecast peak 3.4 ft Sat 2 PM

Reading from Sat 10:45 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 54Typical 213

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
42
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 28°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?

GRAND LAKE 1 NW · official normals 1991–2020 · records 1939–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Normal high / low
51°11° / 21°−6°
Forecast high / low
47°8° / 31°−1°
Record high
70°21° in 1992
Record low
3°−16° 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

Grand Lake weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:24 AM, sunset 6:10 PM.

Daylight
10 h 46 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 28 min less
Golden hour
5:32–6:27 PM
Morning 7:06–8:01 AM
Blue hour
6:27–6:38 PM
Morning 6:56–7:06 AM; first light 6:56 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:41 AM · rises 5:09 PM
Full moon
Oct 25
New moon
Nov 9
Looking east from Grand Lake. The highest point on the skyline is about 13,000 ft, 10 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.

UniColorado Heating & Cooling, a Denver HVAC installer

UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.

(303) 250-1000Check the service area (opens in a new tab)