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Grass Valley, CA 95945 Weather
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Current Conditions [Select Refresh to Update]

Updated: 2:39am on 12/10/16

(location)

Currently:
51.5°

Clear
Overcast

High: 51.6° 
(2:39am) 
Low: 48.9° 
(12:00am)
Wind: 3 mph from the W
Gust: 7 mph
Today's High Wind: 11 mph (1:37am)
Humidity: 94.00%
Pressure: 30.039 in  (Steady) 
Pressure Rate: -0.010 in/hr
Dew Point: 49.8°
Wind Chill: 51.4°
Heat Index (feels like): 57.7°
Comfort Level: Cool
Temperature Rate:  0.78°/hr
 
5 Day Forecast
 
Sat Sun Mon Tue Wed
Clear Clear Clear Clear Clear
Chance Rain Chance Rain Mostly Cloudy Rain Rain
53° 52° 54° 51° 52°
43° 40° 44° 46° 39°

Records and Normals
 
Temperature Forecast Normal Record
High 53° 55° 73°
(1958)
Low 43° 36° 19°
(1972)
 
Weather Advisories
Warning Date: 10:15 PM PST on December 9, 2016
Warning Description: Flood Warning
Full Advisory Text...
Weather Map

Almanac
 
Sunrise:  
7:13am
Moonrise: 
2:34pm

Moon Phase:
77%

Sunset: 
4:41pm
Moonset:  
3:03am
 Star Chart...
Rainfall Totals
Hourly Rain 0.37 in
Daily Rain: 0.84 in
Monthly Rain: 2.47 in
Yearly Rain: 19.22 in
Normal Rain, month to date: 0.93 in
Normal Rain, year to date: 34.81 in

 

Atmospheric CO2

 

Local Weather Exchange Network
Station ID

City 
(Click for Map Location)

Neighborhood 
(Click for History)
Last Update (Date & Time)

Temperature
 (°)

Dew
Point (°)
Humidity 
(%)
Wind 
(mph)
from the Wind Gust 
(mph) 
Pressure (in) Hourly
Rain (in)
KCAGRASS18 Grass Valley Grass Valley, E Bennett Rd

12/10 02:40:08

51.6

50.0

94.00

3

WSW

7

30.040

0.37

KCAGRASS25 Grass Valley Race St

12/10 02:40:00

52.7

52.0

98.00

5

WNW

7

30.060

0.22

KCAGRASS15 Grass Valley Cedar Ridge

12/10 02:40:10

51.0

51.0

100.00

0

North

0

30.080

0.50

KCAGRASS50 Grass Valley High Street

12/10 02:40:16

52.3

51.0

96.00

6

South

10

30.060

0.21

KCAGRASS40 Grass Valley Chapel St

12/10 02:39:59

52.3

52.0

98.00

0

SSW

2

30.060

0.21

KCAGRASS42 Grass Valley Nevada County Intentional Aerodrome

12/10 02:40:14

50.0

49.0

98.00

4

SSE

0

30.070

0.36

ME5439 Nevada City APRSWXNET

12/10 02:20:00

50.0

48.0

94.00

6

South

14

30.040

0.00

KCANEVAD6 Nevada City Via Vista/ Ridge Road

12/10 02:40:05

50.6

49.0

94.00

10

East

16

30.040

0.38

KCANEVAD74 Nevada City Forest Knolls III

12/10 02:40:11

50.5

50.0

99.00

2

South

5

30.040

0.35

KCANEVAD13 Nevada City Forest Knolls

12/10 02:27:23

49.6

49.0

97.00

0

SSE

11

30.010

0.33

KCAGRASS24 Grass Valley SIERRA VISTA PARK

12/10 02:40:19

52.7

52.0

98.00

8

South

9

30.090

0.35

KCANEVAD73 Nevada City Tree Top Circle

12/10 02:33:55

49.7

50.0

99.00

2

SSE

11

30.060

0.37

KCAGRASS38 Grass Valley Meadow Drive

12/10 02:33:16

50.0

47.0

90.00

0

North

0

30.070

0.00

KCAGRASS4 Grass Valley Cone Tree Trl/Squirrel Creek Rd

12/10 02:40:07

52.5

51.0

94.00

6

South

7

30.070

0.31

KCAGRASS65 Grass Valley Adler's Acres

12/10 02:40:01

51.6

50.0

96.00

2

NNE

0

30.070

0.00

KCANEVAD3 Nevada City Banner Mountain

12/10 02:40:07

48.9

48.0

98.00

1

South

3

30.060

0.56

KCANEVAD17 Nevada City Starlite Acres

12/10 02:40:18

53.6

51.0

92.00

5

SSW

18

30.000

0.32

KCANEVAD47 Nevada City Champion Mine Road

12/10 02:33:35

52.0

51.0

98.00

0

North

0

30.020

0.09

KCAGRASS74 Grass Valley Alta Sierra

12/10 02:38:47

52.7

52.0

99.00

0

North

0

30.240

0.00

KCANEVAD41 Nevada City Willow Valley Lodge

12/10 02:39:43

52.0

51.0

96.00

1

SSE

2

30.010

0.00

KCAGRASS35 Grass Valley Chicago Park

12/10 02:40:12

51.4

50.0

96.00

2

SW

0

30.080

0.35

KCANEVAD43 Nevada City Newtown

12/10 02:40:04

53.5

52.0

95.00

7

East

15

30.030

0.18

KCAGRASS64 Grass Valley Rollins Lake

12/10 02:40:18

51.4

51.0

99.00

6

SSW

9

30.020

0.33

KCANEVAD55 Nevada City Cement Hill

12/10 02:40:09

50.5

49.0

94.00

6

WSW

0

26.980

0.00

KCANEVAD67 Nevada City Cement Hill Road

12/10 02:37:31

51.0

51.0

99.00

0

North

0

29.970

0.00

KCAGRASS22 Grass Valley Weather Fana - Alta Sierra

12/10 02:40:17

51.8

52.0

100.00

0

West

2

30.060

0.33

KCAGRASS11 Grass Valley Condon Park

12/10 02:40:09

51.7

50.0

92.00

5

South

22

30.010

0.55

KCAGRASS79 Grass Valley Alta Sierra (Near Gary Way)

12/10 02:39:58

53.4

52.0

97.00

0

WSW

2

30.130

0.25

KCAGRASS67 Grass Valley Alta Sierra

12/10 02:38:32

52.1

52.0

99.00

0

North

0

30.000

0.00

KCAGRASS51 Grass Valley Alta Sierra Dr/Kardale Ct

12/10 02:39:58

52.6

51.0

96.00

2

South

0

30.070

0.31

KCAGRASS84 Grass Valley Cedar Ridge

12/10 02:34:55

51.1

51.0

99.00

2

WNW

0

27.390

0.00

KGOO Grass Valley Official Station

12/10 02:35:00

50.0

---

0.00

14

South

---

30.080

---

KAUN Auburn Official Station

12/10 02:35:00

55.0

55.0

100.00

12

South

---

30.100

---

KBLU Blue Canyon Official Station

12/10 01:52:00

43.0

42.0

97.00

20

South

---

30.040

---

KBAB Beale AFB Official Station

12/10 02:29:00

57.0

57.0

100.00

25

SSE

---

30.010

---

Full Advisory Text
Warning Description: Flood Warning

Warning Date: 10:15 PM PST on December 9, 2016

WarningSum:


Warning Message:The National Weather Service in Reno has issued a 
* Flood Warning for 
  the Truckee River near Truckee.
* From Saturday morning to Saturday evening...or until the warning is
  cancelled.
* At  9:30 PM Friday the stage was 1.7 feet.
* Flood stage is 4.5 feet.
* Moderate flooding is forecast.
* Forecast...rise above flood stage by late Saturday morning and 
  continue to rise to near 5.9 feet by Saturday afternoon.The river 
  will fall below flood stage by Saturday evening.
* Impact...at 6.0 feet...moderate flooding from Bear Creek in the 
  Alpine Meadows area to Truckee...about 4200 cfs.  Flooding of yards
  and basements of low-lying homes along river...some private bridges
  impacted. USGS estimates this much flow has about a 1 in 9 chance 
  of being exceeded any year.
* Flood history...this crest compares to a previous crest of 6.4 feet 
  on December 20 1981.
Lat...Lon 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019
WarningDesc:Special Statement

WarningDate:2:44 PM PST on December 9, 2016

WarningSum:...Periods Of Wet Weather Continue Through Next Week...

Warning Message:.Impacts...
  *local roadway flooding possible in areas of poor or clogged
   drainage
  *minor travel delays due to slick roads
.Forecast confidence...
  *high
.Timing and strength...
  *later today through Saturday night
    *half an inch to an inch of rain for the valley. Up to 4
     inches of rain over the mountains
    *snow levels will be initially over 8500 feet, then lower
     below pass levels Saturday evening. For roads that are still
     open, pass levels will likely see only limited amounts of
     snow
  *additional weather systems possible toward the middle of next
   week 
244 PM PST Fri Dec 9 2016
...Periods of wet weather continue through next week...
.Impacts...
  *local roadway flooding possible in areas of poor or clogged
   drainage
  *minor travel delays due to slick roads
.Forecast confidence...
  *high
.Timing and strength...
  *later today through Saturday night
    *half an inch to an inch of rain for the valley. Up to 4
     inches of rain over the mountains
    *snow levels will be initially over 8500 feet, then lower
     below pass levels Saturday evening. For roads that are still
     open, pass levels will likely see only limited amounts of
     snow
  *additional weather systems possible toward the middle of next
   week 
244 PM PST Fri Dec 9 2016
...Periods of wet weather continue through next week...
.Impacts...
  *local roadway flooding possible in areas of poor or clogged
   drainage
  *minor travel delays due to slick roads
.Forecast confidence...
  *high
.Timing and strength...
  *later today through Saturday night
    *half an inch to an inch of rain for the valley. Up to 4
     inches of rain over the mountains
    *snow levels will be initially over 8500 feet, then lower
     below pass levels Saturday evening. For roads that are still
     open, pass levels will likely see only limited amounts of
     snow
  *additional weather systems possible toward the middle of next
   week 
        

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