Swift Reservoir, WA Weather Forecast and Current Conditions

Current Conditions From Nearby Station

48°F
Feels Like 48°F  
Humidity 58% Dew Point 34°F Wind SSE 1 MPH Gusts 7 Barometer N/A
Report from a MADIS/MESONET weather station 9.7 mi. SSW of central Swift Reservoir
at

Point Forecast at a Glance

SunDec 14
Sun Dec 14: Rain, High 48F, Low 46F
80%
48
46
MonDec 15
Mon Dec 15: Rain, High 52F, Low 44F
100%
52
44
TueDec 16
Tue Dec 16: Rain, High 48F, Low 36F
100%
48
36
WedDec 17
Wed Dec 17: Rain, High 39F, Low 36F
100%
39
36
ThuDec 18
Thu Dec 18: Rain, High 42F, Low 36F
50%
42
36
FriDec 19
Fri Dec 19: Snow, High 39F, Low 34F
50%
39
34
SatDec 20
Sat Dec 20: Rain And Snow, High 38F
50%
38
 

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 48°F to 38°F. Unsettled weather expected with rain or snow likely on at least 7 days.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 44°F and lows around 33°F.

This Date in Weather History

1924 - The temperature at Helena, MT, plunged 79 degrees in 24 hours, and 88 degrees in 34 hours. The mercury plummeted from 63 above to 25 below zero. At Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63 at Noon to 21 below zero at midnight.

More on this and other weather history

Swift Reservoir, WA 7 Day Weather Forecast Details

Sunday Dec 14

Rain

Day: Rain, mainly before 2pm. High near 48. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: Rain, mainly after 1am. The rain could be heavy at times. Low around 46. North northeast wind around 6 mph becoming west northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Dec 15

Rain

Day: Rain. The rain could be heavy at times. High near 52. Southwest wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Rain

Night: Rain. Low around 44. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday Dec 16

Rain

Day: Rain. The rain could be heavy at times. High near 48. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thunderstorms

Night: Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 36. Breezy. Chance of precipitation is 100%.

Wednesday Dec 17

Rain

Day: Rain. Snow level 2500 feet. High near 39. Chance of precipitation is 100%.

Rain

Night: Rain. Snow level 3000 feet. Cloudy, with a low around 36.

Thursday Dec 18

Rain

Day: Rain. Cloudy, with a high near 42.

Snow

Night: Rain before 10pm, then rain, possibly mixed with snow. Snow level 4100 feet lowering to 3200 feet after midnight . Cloudy, with a low around 36.

Friday Dec 19

Snow

Day: Rain, possibly mixed with snow. Snow level 2500 feet. Cloudy, with a high near 39.

Rain And Snow

Night: Rain and snow. Snow level 2000 feet. Cloudy, with a low around 34.

Saturday Dec 20

Rain And Snow

Day: Rain and snow. Snow level 2200 feet. Cloudy, with a high near 38.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.