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Next 5 Days
  • Early AM

    Dec 20

    Warmer Lo -9°
    more
  • Today

    Dec 20

    Partly sunny -1°Lo -9°
  • Sun

    Dec 21

    Cloudy -2°Lo -7°
    more
  • Mon

    Dec 22

    Partly sunny, snow showers -3°Lo -7°
    more
  • Tue

    Dec 23

    Intervals of clouds and sun -5°Lo -11°
    more
< Previous 8 hours Next 8 hours >
  Sat
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°C) -9° -9° -9° -8° -6° -5° -4° -3°
RealFeel® -18° -18° -15° -13° -11° -9° -8° -8°
Humidity 93% 87% 84% 81% 77% 74% 73% 72%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
4%
 
4%
 
4%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (km/h) 18 SE 18 SE 17 SE 13 SE 13 SE 11 SE 11 SSE 15 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 90% 86% 83% 79% 77% 45% 45% 45%
Dew Point -10° -11° -11° -10° -10° -9° -8° -7°
Middle Grid line 0 C Middle Grid line -5 C

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High -1° -9° (1994) -18°
Low -9° -18° -42° (1883) -26°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 8:57 AM with 8:00 of sunlight, then sets at 4:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:06 AM with 9:13 of moolight, then sets at 4:19 PM

Grand Coulee Weather Report

Long-Range Forecast Model Update Into Mid-January

December 19, 2014; 9:08 AM ET

Update on the long-range forecast model data. more >