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Swall Meadows, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 15 Miles W Chalfant CA
National Weather Service Forecast for: 15 Miles W Chalfant CA
Issued by: National Weather Service Reno, NV
Updated: 2:15 am PDT Jul 27, 2025
 
Today

Today: Sunny, with a high near 83. Northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 59. Southeast wind around 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Mostly Clear
Monday

Monday: Sunny, with a high near 86. West wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 60. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 86. Northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 60. Southwest wind around 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 86.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 59.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 86.
Sunny
Hi 83 °F Lo 59 °F Hi 86 °F Lo 60 °F Hi 86 °F Lo 60 °F Hi 86 °F Lo 59 °F Hi 86 °F

 

Today
 
Sunny, with a high near 83. Northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Tonight
 
Mostly clear, with a low around 59. Southeast wind around 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Monday
 
Sunny, with a high near 86. West wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Monday Night
 
Mostly clear, with a low around 60. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
 
Sunny, with a high near 86. Northwest wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly clear, with a low around 60. Southwest wind around 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 86.
Wednesday Night
 
Mostly clear, with a low around 59.
Thursday
 
Sunny, with a high near 86.
Thursday Night
 
Mostly clear, with a low around 59.
Friday
 
Sunny, with a high near 87.
Friday Night
 
Clear, with a low around 59.
Saturday
 
Sunny, with a high near 87.

 

Forecast from NOAA-NWS for 15 Miles W Chalfant CA.

Weather Forecast Discussion
171
FXUS65 KREV 270842
AFDREV

Area Forecast Discussion
National Weather Service Reno NV
142 AM PDT Sun Jul 27 2025

.KEY MESSAGES...

* Thunderstorms will pose a risk of small hail, strong outflows,
  frequent lightning, and locally heavy rainfall today.

* Isolated showers and thunderstorms continue this upcoming week
  with a potential uptick in storms Tuesday and Wednesday.

* Typical summertime conditions of warm weather and breezy
  afternoons to end the month.

&&

.DISCUSSION...

We experienced another active weather day across the region on
Saturday. There were several reports of heavy rain between
0.50-0.75", wind gusts upwards of 50 mph, and hail up to 0.75".
Showers and storms will continue today from around Noon to 7 PM,
impacting similar locations as Saturday. However, with less upper
level support and an airmass that has trended drier, storm
coverage will be less today compared to the last few days. Blended
guidance has storm chances to 40-50% for far western NV,
including the greater Reno area and Tahoe Basin. Western Lassen
also had a 40-50% chance for storms today as well. These storm
chances decrease for other areas, with generally a 10-30% in the
inner basin and far northwest NV.

With decent instability, we still have the chance for hail up to
0.75", and strong outflow winds up to 50 mph. Propagating outflows
may produce areas of blowing dust in the W NV Basin and Range
this afternoon, especially near desert sinks and playas. PWATs
remain between 0.6-0.7", but faster storm motions will help curb
most flooding concerns today.

For the upcoming week, we`re on the eastern edge of a deep
hemispheric through over the northeast Pacific. Thunderstorms
don`t go away this upcoming week, with daily 15-35% chances for
the Sierra and western NV. The best chances look to be Tuesday and
Wednesday when models show a upper trough swinging through the
area.

Temperatures remain around 5-10 degrees below average today. A
gradual warming trend for the upcoming week, but still remain 2-4
degrees below average for last week of July and first week of
August. Overall, we`ll see comfortable daytime highs near 80F and
90F for Sierra and western Nevada communities, respectively.
-McKellar

&&

.AVIATION...

Thunderstorms will be the main concern today with the highest
chances (30-50% chance) at KTRK-KTVL and KRNO-KCXP-KMEV between
20Z and 02Z. Expect strong outflow gusts of 40+ kts, small hail,
and frequent lightning, with heavy downpours reducing CIGS/VIS to
MVFR conditions at times. There is still a slight 10-30%
chance for storms in the inner-basin today, which may result in
blowing dust impacts to KNFL-KLOL-KHTH among the aforementioned
t-storm impacts.

Additional storms are possible on Monday, with chances between
10-25% along the Sierra Front and Tahoe Basin.
-McKellar

&&

.FIRE WEATHER...

A brief drying trend will reduce thunderstorm chances and
coverage today into early next week. However, this will also
mean dry lightning becomes more likely with isolated storms.
Otherwise, storms today still have the chance for hail up to
0.75" and strong outflow winds up to 50 mph.
-McKellar

&&

.REV Watches/Warnings/Advisories...
NV...None.
CA...None.
&&

$$
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather








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