Post Falls, Idaho 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Post Falls ID
National Weather Service Forecast for:
Post Falls ID
Issued by: National Weather Service Spokane, WA |
Updated: 2:16 am PDT Jun 6, 2025 |
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Overnight
 Mostly Cloudy
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Friday
 Decreasing Clouds
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Friday Night
 Partly Cloudy
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Saturday
 Mostly Sunny
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Saturday Night
 Mostly Clear
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Sunday
 Sunny
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Sunday Night
 Clear
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Monday
 Sunny
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Monday Night
 Mostly Clear
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Lo 55 °F |
Hi 82 °F |
Lo 57 °F |
Hi 86 °F |
Lo 57 °F |
Hi 90 °F |
Lo 60 °F |
Hi 93 °F |
Lo 63 °F |
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Overnight
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Mostly cloudy, with a low around 55. Calm wind. |
Friday
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Mostly cloudy, then gradually becoming sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. |
Friday Night
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Partly cloudy, with a low around 57. West wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. |
Saturday
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Mostly sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the afternoon. |
Saturday Night
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Mostly clear, with a low around 57. West wind 5 to 7 mph becoming calm in the evening. |
Sunday
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Sunny, with a high near 90. |
Sunday Night
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Clear, with a low around 60. |
Monday
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Sunny, with a high near 93. |
Monday Night
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Mostly clear, with a low around 63. |
Tuesday
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Mostly sunny, with a high near 90. |
Tuesday Night
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Mostly cloudy, with a low around 61. |
Wednesday
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Mostly sunny, with a high near 82. |
Wednesday Night
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Partly cloudy, with a low around 54. |
Thursday
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A 20 percent chance of showers. Mostly sunny, with a high near 76. |
Forecast from NOAA-NWS
for Post Falls ID.
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Weather Forecast Discussion
292
FXUS66 KOTX 060717
AFDOTX
Area Forecast Discussion
National Weather Service Spokane WA
1217 AM PDT Fri Jun 6 2025
.KEY MESSAGES...
- Temperatures warming through the week.
- Elevated fire concerns in central Washington Friday.
- Widespread Moderate HeatRisk Saturday through Monday.
- Dry and breezy with elevated fire weather concerns Tuesday.
&&
.SYNOPSIS...
This week will bring dry weather and a warming trend. Friday
will be breezy in central Washington, raising fire weather
concerns. Temperatures will warm into the mid to high 90s by
Sunday with widespread Moderate HeatRisk Saturday through
Monday.
&&
.DISCUSSION...
The warming trend throughout the forecast area continues as the
ridge strengthens off the Pacific Coast. As it slowly progresses
eastward and the ridge axis gets closer to Washington, temperatures
will increase steadily each day. By Sunday, the ridge axis will have
moved onshore, resulting in the highest temperatures for the area
Sunday and Monday. Monday will be the warmest day, with widespread
temperatures in the mid to high 90s. NBM probabilities for areas
of the deeper basin and deeper valley areas to reach 95 degrees or
more are 80 percent and higher. A few areas are expected to reach
100 degrees as well. Ephrata, Wenatchee, Lewiston, and Moses Lake
all have a 50 percent chance or higher of reaching 100 degrees on
Monday. Another important aspect of this warmup will be low
temperatures. Beginning Sunday night, low temperatures will
struggle to drop below 60 degrees, and on Monday, are anticipated
to be in the low to mid 60s. These warm overnight temperatures
will result in poor overnight recovery, leading to widespread
moderate Heat Risk values throughout the forecast area and some
isolated major Heat Risk values. Moderate Heat Risk will lead to
an increased risk for those sensitive to heat related illnesses,
and major Heat Risk will lead to anyone without adequate cooling
and hydration having an increased chance of heat related
illnesses. As the ridge breaks down and gives way to zonal flow,
temperatures will begin cooling and Heat Risk levels drop back
down to minor by Wednesday.
Alongside the increase in temperatures and Heat Risk, fire weather
concerns continue through the weekend and into next week. In
particular, winds throughout central Washington will be elevated
Friday night as the pressure gradient increases across the Cascades.
The Waterville Plateau, Wenatchee, and Central Chelan county areas
will see wind gusts up to 25 mph, leading to increased fire concerns
Friday night. Additionally, as the ridge weakens beginning Monday
and zonal flow prevails through the area, winds in the
aforementioned areas will again increase each evening, with gusts of
up to 35 mph being favored by long-term models Monday, Tuesday, and
Wednesday night. On these days, relative humidity values could
drop below 20 percent for much of the area. These low humidity
values combined with the gusty winds in the Waterville Plateau,
Wenatchee, and Central Chelan county areas will result in an
increased fire risk. Should long-term models continue favoring
these gusty winds alongside low humidity, fire headlines for early
next week may be needed, so stay tuned. Accompanying the overall
breezy winds Monday and Tuesday are some signals of dry lightning,
particularly in the afternoons and evenings as energy from the
ridge breaking down moves through the area. Areas that have the
best chances for dry lightning are the Northern Mountains and the
southern Idaho Panhandle. Confidence in this dry lightning is low
to moderate, so will keep a close eye on this through the weekend.
Long-term model guidance is hinting at a break from the dry and
heat, with signals of a trough moving through Wednesday of next
week. This trough would bring the potential of much needed rain to
the mountains and a significant cooldown. The Climate Prediction
Center`s most recent 8-14 Day Outlook shows increased chances for
lower than normal temperatures and higher than normal precipitation
for the forecast area. /AS
&&
.AVIATION...
06Z TAFS: VFR conditions will prevail over the next 24 hours.
Winds will remain generally light and diurnal through around
15-18Z for KGEG/KSFF/KMWH, which will then begin gusting up to
19kts before relaxing at 22/23Z. KCOE will have breezy winds
near 10kts for this time period. For KPUW, winds will get breezy
around 21Z. For KEAT, winds will become breezy at 23Z and begin
gusting to 20kts at 00Z.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence
for VFR conditions. Moderate confidence in breezy afternoon
winds for KGEG/KSFF/KMWH/KCOE/KPUW/KEAT tomorrow afternoon and
evening. /AS
-----------------------
Confidence descriptors:
Low - Less than a 30 percent chance
Moderate - 30 to 70 percent chance
High - Greater than a 70 percent chance
For additional probabilistic information for NWS Spokane airports,
please refer to the Aviation Dashboard on our webpage:
https:/www.weather.gov/otx/avndashboard
&&
.Preliminary Point Temps/PoPs...
Spokane 83 56 87 56 90 60 / 0 0 0 0 0 0
Coeur d`Alene 82 55 84 56 89 58 / 0 0 0 0 0 0
Pullman 80 54 83 55 87 57 / 0 0 0 0 0 0
Lewiston 88 60 91 61 95 62 / 0 0 0 0 0 0
Colville 84 50 86 50 91 54 / 10 0 0 0 0 0
Sandpoint 81 54 85 54 89 54 / 10 0 0 0 0 0
Kellogg 77 58 81 59 87 62 / 0 0 0 0 0 0
Moses Lake 91 57 93 61 98 62 / 0 0 0 0 0 0
Wenatchee 89 61 93 66 97 68 / 0 0 0 0 0 0
Omak 89 57 91 58 96 61 / 0 0 0 0 0 0
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
WA...None.
ID...None.
&&
$$
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