Middle Creek near Upper Lake
1.3 mi- Level
- 5.6 ft
- Flow
- 2 cfs
Forecast peak 5.6 ft Sat 5 PM
Reading from Sat 3:30 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 2 h 10 min
- When
- From 8 PM this evening to 10 AM PDT Sunday.
- Where
- Mendocino County, Northern Lake, Western Lake, and Eastern Lake mainly in the valleys that remain clear.
Issued for this forecast zone · National Weather Service Eureka CA
What, impacts and precautionsHide details
What
Temperatures as low as 35 will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Coastal Mendocino; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Southwestern Interior Mendocino; Southeastern Interior Mendocino; Northern Lake; Western Lake; Eastern Lake
See it on weather.gov (opens in a new tab)
Observed 5:20 PM PDT at KUKI
Upper Lake, CA weather
Sunny and 73°23°, jacket by 9 PM.
Today: low 33°1° (likely 33°1° to 47°8°), high 75°24° (likely 69°21° to 75°24°).
Now 73°23°
Sunny
- Wind
- 5 mph7 km/h
- From the northwest. Up to 5 mph8 km/h through 5 AM
- Dew point
- 39°4°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 34Good
- Main pollutant: Ozone
- Pressure
- 29.96 inHg1015 hPa
- Steady over the last 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
TonightDown to 38°3° by 5 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 70°21° by 4 PM · Cloudy
Tomorrow nightDown to 39°4° by 5 AM · Clear
Monday morningUp to 54°12° by 11 AM · Partly cloudy
Monday afternoonUp to 63°17° by 4 PM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Sunny | 74°23° (likely 67°19° to 74°23°) | 74°23° | 0% | 5 mph8 km/h from NW, gusts 7 mph11 km/h | 25% | 18% | 2 |
| Sat 6p | Clear | 70°21° (likely 62°17° to 70°21°) | 70°21° | 0% | 5 mph8 km/h from NW, gusts 7 mph12 km/h | 32% | 10% | 1 |
| Sat 7p | Clear | 65°18° (likely 58°14° to 65°18°) | 65°18° | 0% | 5 mph8 km/h from NW, gusts 8 mph12 km/h | 39% | 19% | 0 |
| Sat 8p | Clear | 59°15° (likely 55°13° to 59°15°) | 59°15° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 44% | 18% | 0 |
| Sat 9p | Clear | 55°13° (likely 53°12° to 57°14°) | 55°13° | 0% | 1 mph2 km/h from S, gusts 6 mph9 km/h | 51% | 40% | 0 |
| Sat 10p | Clear | 51°11° (likely 51°11° to 55°13°) | 51°11° | 0% | 1 mph2 km/h from S, gusts 5 mph8 km/h | 57% | 36% | 0 |
| Sat 11p | Clear | 49°9° (likely 49°9° to 54°12°) | 49°9° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 61% | 40% | 0 |
| Sun 12a | Mostly clear | 47°8° (likely 47°8° to 53°12°) | 47°8° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 63% | 41% | 0 |
| Sun 1a | Mostly clear | 46°8° (likely 46°8° to 52°11°) | 46°8° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 70% | 58% | 0 |
| Sun 2a | Mostly clear | 45°7° (likely 45°7° to 52°11°) | 45°7° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 73% | 58% | 0 |
| Sun 3a | Mostly clear | 41°5° (likely 41°5° to 52°11°) | 41°5° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 79% | 68% | 0 |
| Sun 4a | Mostly clear | 39°4° (likely 39°4° to 52°11°) | 39°4° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 83% | 67% | 0 |
| Sun 5a | Partly cloudy | 38°3° (likely 38°3° to 52°11°) | 38°3° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 90% | 66% | 0 |
| Sun 6a | Partly cloudy | 35°2° (likely 35°2° to 52°11°) | 35°2° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 87% | 72% | 0 |
| Sun 7a | Partly cloudy | 37°3° (likely 37°3° to 52°11°) | 37°3° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 90% | 78% | 0 |
| Sun 8a | Cloudy | 38°3° (likely 38°3° to 52°11°) | 38°3° | 0% | 2 mph3 km/h from ESE, gusts 4 mph6 km/h | 92% | 83% | 0 |
| Sun 9a | Cloudy | 43°6° (likely 43°6° to 56°13°) | 43°6° | 0% | 2 mph3 km/h from ESE, gusts 4 mph6 km/h | 88% | 83% | 1 |
| Sun 10a | Cloudy | 52°11° (likely 52°11° to 62°17°) | 52°11° | 0% | 2 mph3 km/h from ESE, gusts 4 mph6 km/h | 60% | 81% | 2 |
| Sun 11a | Cloudy | 58°14° (likely 58°14° to 67°19°) | 58°14° | 0% | 5 mph8 km/h from S, gusts 7 mph12 km/h | 52% | 78% | 3 |
| Sun 12p | Cloudy | 61°16° (likely 61°16° to 69°21°) | 61°16° | 0% | 5 mph8 km/h from S, gusts 7 mph11 km/h | 45% | 80% | 3 |
| Sun 1p | Cloudy | 65°18° (likely 65°18° to 71°22°) | 65°18° | 0% | 5 mph8 km/h from S, gusts 6 mph10 km/h | 39% | 86% | 4 |
| Sun 2p | Cloudy | 68°20° (likely 66°19° to 73°23°) | 68°20° | 0% | 6 mph10 km/h from S, gusts 7 mph11 km/h | 35% | 88% | 4 |
| Sun 3p | Cloudy | 68°20° (likely 66°19° to 73°23°) | 68°20° | 0% | 6 mph10 km/h from S, gusts 8 mph13 km/h | 34% | 93% | 3 |
| Sun 4p | Cloudy | 70°21° (likely 65°18° to 72°22°) | 70°21° | 0% | 6 mph10 km/h from S, gusts 8 mph13 km/h | 32% | 93% | 2 |
| Sun 5p | Cloudy | 70°21° (likely 64°18° to 70°21°) | 70°21° | 0% | 3 mph5 km/h from SSW, gusts 9 mph14 km/h | 32% | 96% | 1 |
| Sun 6p | Cloudy | 68°20° (likely 60°16° to 68°20°) | 68°20° | 0% | 3 mph5 km/h from SSW, gusts 7 mph12 km/h | 37% | 87% | 0 |
| Sun 7p | Cloudy | 64°18° (likely 56°13° to 64°18°) | 64°18° | 0% | 3 mph5 km/h from SSW, gusts 9 mph14 km/h | 44% | 65% | 0 |
| Sun 8p | Clear | 59°15° (likely 53°12° to 59°15°) | 59°15° | 0% | 1 mph2 km/h from WNW, gusts 5 mph7 km/h | 48% | 17% | 0 |
| Sun 9p | Clear | 55°13° (likely 51°11° to 56°13°) | 55°13° | 0% | 1 mph2 km/h from WNW, gusts 6 mph9 km/h | 57% | 0% | 0 |
| Sun 10p | Clear | 51°11° (likely 49°9° to 53°12°) | 51°11° | 0% | 1 mph2 km/h from WNW, gusts 7 mph12 km/h | 65% | 0% | 0 |
| Sun 11p | Clear | 48°9° (likely 48°9° to 51°11°) | 48°9° | 0% | 2 mph3 km/h from NW, gusts 8 mph12 km/h | 72% | 1% | 0 |
| Mon 12a | Clear | 46°8° (likely 46°8° to 50°10°) | 46°8° | 0% | 2 mph3 km/h from NW, gusts 7 mph12 km/h | 75% | 2% | 0 |
| Mon 1a | Clear | 45°7° (likely 45°7° to 48°9°) | 45°7° | 0% | 2 mph3 km/h from NW, gusts 8 mph14 km/h | 81% | 4% | 0 |
| Mon 2a | Clear | 44°7° (likely 44°7° to 47°8°) | 44°7° | 0% | 2 mph3 km/h from WNW, gusts 9 mph14 km/h | 83% | 6% | 0 |
| Mon 3a | Clear | 43°6° (likely 43°6° to 46°8°) | 43°6° | 0% | 2 mph3 km/h from WNW, gusts 9 mph15 km/h | 87% | 11% | 0 |
| Mon 4a | Mostly clear | 40°4° (likely 40°4° to 45°7°) | 40°4° | 0% | 2 mph3 km/h from WNW, gusts 9 mph15 km/h | 93% | 22% | 0 |
| Mon 5a | Clear | 39°4° (likely 39°4° to 46°8°) | 39°4° | 5% | 2 mph3 km/h from W, gusts 8 mph13 km/h | 100% | 33% | 0 |
| Mon 6a | Clear | 39°4° (likely 39°4° to 48°9°) | 39°4° | 5% | 2 mph3 km/h from W, gusts 9 mph14 km/h | 100% | 38% | 0 |
| Mon 7a | Clear | 38°3° (likely 38°3° to 49°9°) | 38°3° | 5% | 2 mph3 km/h from W, gusts 11 mph18 km/h | 100% | 30% | 0 |
| Mon 8a | Partly sunny | 39°4° (likely 39°4° to 50°10°) | 39°4° | 5% | 2 mph3 km/h from NW, gusts 11 mph18 km/h | 100% | 35% | 0 |
| Mon 9a | Partly sunny | 43°6° (likely 43°6° to 52°11°) | 43°6° | 5% | 2 mph3 km/h from NW, gusts 10 mph16 km/h | 97% | 17% | 1 |
| Mon 10a | Partly sunny | 49°9° (likely 49°9° to 56°13°) | 49°9° | 5% | 2 mph3 km/h from NW, gusts 13 mph21 km/h | 92% | 17% | 2 |
| Mon 11a | Sunny | 54°12° (likely 54°12° to 59°15°) | 54°12° | 5% | 7 mph11 km/h from W, gusts 15 mph23 km/h | 85% | 19% | 3 |
| Mon 12p | Partly sunny | 57°14° (likely 57°14° to 60°16°) | 57°14° | 5% | 7 mph11 km/h from W, gusts 12 mph20 km/h | 77% | 35% | 4 |
| Mon 1p | Sunny | 58°14° (likely 58°14° to 63°17°) | 58°14° | 5% | 7 mph11 km/h from W, gusts 13 mph21 km/h | 69% | 12% | 5 |
| Mon 2p | Mostly sunny | 59°15° (likely 59°15° to 65°18°) | 59°15° | 5% | 9 mph14 km/h from W, gusts 14 mph23 km/h | 62% | 18% | 5 |
| Mon 3p | Mostly sunny | 61°16° (likely 61°16° to 65°18°) | 61°16° | 5% | 9 mph14 km/h from W, gusts 15 mph24 km/h | 56% | 15% | 4 |
| Mon 4p | Mostly sunny | 63°17° (likely 61°16° to 65°18°) | 63°17° | 5% | 9 mph14 km/h from W, gusts 15 mph24 km/h | 51% | 13% | 3 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Sunny. High 75°24°, low 33°1°. Dry. Mostly agree. Best day outdoors this week.
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Mostly clear, 38°3°Dry
Official NWS forecast
Today: Sunny, with a high near 75. Northwest wind around 5 mph.
Tonight: Areas of frost after 5am. Mostly clear. Low around 33, with temperatures rising to around 38 overnight. North northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 75°24°).
- High, likely
- 69°21°–75°24°
- Low, likely
- 33°1°–47°8°
- Wind
- 6 mph9 km/h, gusts 16 mph26 km/h
- UV peak
- 5
Tomorrow, Oct 25. Cloudy. High 72°22°, low 34°1°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 38°3°Dry
Afternoon
noon–6 PM
Cloudy, 70°21°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Clear, 39°4°Dry
Official NWS forecast
Day: Areas of frost before 8am. Partly sunny, with a high near 72. South southeast wind 0 to 6 mph.
Night: Partly cloudy, with a low around 34. West wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 66°19°–73°23°
- Low, likely
- 34°1°–51°11°
- Wind
- 8 mph13 km/h, gusts 14 mph23 km/h
- UV peak
- 4
Monday, Oct 26. Partly sunny. High 65°18°, low 33°1°. Dry. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 39°4°Dry
Afternoon
noon–6 PM
Mostly sunny, 63°17°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 45°7°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 65. West northwest wind 2 to 9 mph, with gusts as high as 20 mph.
Night: Patchy fog between 2am and 5am, then areas of fog and patchy frost. Mostly clear, with a low around 33. Northwest wind 0 to 8 mph, with gusts as high as 18 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 59°15°–65°18°
- Low, likely
- 33°1°–45°7°
- Wind
- 13 mph20 km/h, gusts 24 mph39 km/h
- UV peak
- 5
Tuesday, Oct 27. Fog. High 68°20°, low 35°2°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 51°10°Dry
Overnight
midnight–6 AM
Clear, 46°8°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog and patchy frost before 8am, then patchy frost and patchy fog between 8am and 11am. Sunny, with a high near 68.
Night: Areas of fog after 2am. Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 59°15°–68°20°
- Low, likely
- 35°2°–45°7°
- Wind
- 10 mph15 km/h, gusts 19 mph30 km/h
- UV peak
- 5
Wednesday, Oct 28. Fog. High 68°20°, low 35°2°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°Dry
Evening
6 PM–midnight
Cloudy, 53°11°Dry
Overnight
midnight–6 AM
Cloudy, 47°8°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 11am. Mostly sunny, with a high near 68.
Night: Areas of fog after 5am. Mostly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 61°16°–68°20°
- Low, likely
- 35°2°–47°8°
- Wind
- 6 mph10 km/h, gusts 15 mph23 km/h
- UV peak
- 4
Thursday, Oct 29. Rain. High 66°19°, low 34°1°. Rain, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Mostly clear, 43°6°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 11am, then a slight chance of rain. Mostly sunny, with a high near 66.
Night: A slight chance of rain before 2am, then areas of fog and a chance of rain. Partly cloudy, with a low around 34.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 59°15°–67°19°
- Low, likely
- 34°1°–45°7°
- Wind
- 9 mph15 km/h, gusts 29 mph47 km/h
- UV peak
- 4
Friday, Oct 30. Rain. High 64°18°, low 33°1°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 43°6°Dry
Afternoon
noon–6 PM
Sunny, 58°15°Dry
Evening
6 PM–midnight
Clear, 47°8°Dry
Overnight
midnight–6 AM
Clear, 40°5°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog and a chance of rain before 8am, then a chance of rain and patchy fog. Mostly sunny, with a high near 64.
Night: A slight chance of rain. Partly cloudy, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 54°12°–64°18°
- Low, likely
- 33°1°–43°6°
- Wind
- 14 mph23 km/h, gusts 29 mph47 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 57°14°, low 39°4°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 59°15°Dry
Evening
6 PM–midnight
Clear, 47°8°Dry
Overnight
midnight–6 AM
Clear, 42°6°Dry
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
- 51°11°–65°18°
- Low, likely
- 37°3°–45°7°
- Wind
- 8 mph13 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Sunday, Nov 1. Sunny. High 61°16°, low 40°4°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 45°7°Dry
Afternoon
noon–6 PM
Sunny, 63°17°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 45°7°Dry
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
- 55°13°–69°21°
- Low, likely
- 37°3°–48°9°
- Wind
- 8 mph12 km/h, gusts 21 mph34 km/h
- UV peak
- 4
Monday, Nov 2. Cloudy. High 61°16°, low 43°6°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 52°11°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°20% chance
Evening
6 PM–midnight
Cloudy, 50°10°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
- 55°13°–67°19°
- Low, likely
- 40°4°–51°11°
- Wind
- 7 mph12 km/h, gusts 20 mph32 km/h
- UV peak
- 4
The outlook
Today
Dry, high 75°, low 33°.
Tomorrow
Dry, high 72°, low 34°, cooling off.
Monday
Dry, high 65°, low 33°, cooling off.
Rest of week
Mostly dry, highs 57–68°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (EKA) (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
Scotts Creek near Lakeport
5.6 mi- Level
- 0.1 ft
Forecast peak 1.6 ft Sat 5 PM
Reading from Sat 3:30 PM · NWS gauge page
Clear Lake at Lakeport
8.7 mi- Level
- 1.9 ft
- Flow
- 74,100 cfs
Forecast peak 1.8 ft Sat 5 PM
Reading from Sat 3:15 PM · NWS gauge page
Russian River near Hopland
15 mi- Level
- 1.2 ft
- Flow
- 211 cfs
Forecast peak 1.2 ft Mon 6 PM
Reading from Sat 3:45 PM · NWS gauge page
Sun & moon
Sun
Sunrise 7:30 AM, sunset 6:20 PM.
- Daylight
- 10 h 49 min
- Losing 2 min 21 s a day; shortest Dec 21, 1 h 25 min less
- Golden hour
- 5:43–6:36 PM
- Morning 7:14–8:07 AM
- Blue hour
- 6:36–6:47 PM
- Morning 7:03–7:14 AM; first light 7:03 AM
Stars tonight? Fair
Mostly clear 6:47–9 PM, but the moon is 99% lit and up.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:51 AM · rises 5:20 PM
- Full moon
- Oct 25
- New moon
- Nov 8
