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Klamath Falls, Oregon 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Klamath Falls OR
National Weather Service Forecast for: Klamath Falls OR
Issued by: National Weather Service Medford, OR
Updated: 4:41 pm PDT Jun 10, 2025
 
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am.  Partly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming calm  after midnight.
Partly Cloudy
then Chance
Showers
Wednesday

Wednesday: Sunny, with a high near 84. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 50. Northwest wind 5 to 15 mph, with gusts as high as 23 mph.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 81. Light northwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 48. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 78.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 46.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 79.
Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 48.
Partly Cloudy

Lo 57 °F Hi 84 °F Lo 50 °F Hi 81 °F Lo 48 °F Hi 78 °F Lo 46 °F Hi 79 °F Lo 48 °F

 

Tonight
 
A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
 
Sunny, with a high near 84. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 50. Northwest wind 5 to 15 mph, with gusts as high as 23 mph.
Thursday
 
Sunny, with a high near 81. Light northwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
 
Mostly clear, with a low around 48. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Friday
 
Sunny, with a high near 78.
Friday Night
 
Mostly clear, with a low around 46.
Saturday
 
Sunny, with a high near 79.
Saturday Night
 
Partly cloudy, with a low around 48.
Sunday
 
Mostly sunny, with a high near 81.
Sunday Night
 
Mostly clear, with a low around 49.
Monday
 
Sunny, with a high near 80.
Monday Night
 
Mostly clear, with a low around 47.
Tuesday
 
Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Klamath Falls OR.

Weather Forecast Discussion
379
FXUS66 KMFR 110415
AFDMFR

Area Forecast Discussion
National Weather Service Medford OR
915 PM PDT Tue Jun 10 2025

.DISCUSSION...It was a warm afternoon with Medford tying their
record high of 99 degrees from 1940. Low 90s were spotted in other
west valley locations including Roseburg. The daytime heating
allowed plenty of storms to build from Siskiyou and Modoc counties
through Klamath and Lake counties. There were multiple strong
thunderstorms in the area due to strong winds and hail, and a few
even became severe in Klamath and Siskiyou counties!

Other than a few leftover showers and storms we`re watching this
evening, there will be some down time before another area of
scattered showers form into eastern Klamath County and Lake County.
A couple of these could turn into thunderstorms, with gusty winds
and hail possible. After, dry conditions return and temperatures
will get back to near normal. -Hermansen

&&

.PREV DISCUSSION... /Issued 439 PM PDT Tue Jun 10 2025/

UPDATE...Updated Aviation Discussion.

AVIATION...11/00Z TAFs...Along the coast, IFR/LIFR expected to
return by early this evening and continue through Wednesday morning.
Conditions will clear to VFR in the early afternoon Wednesday.

Inland, conditions are VFR except near isolated to scattered
thunderstorms this afternoon and evening. These storms will develop
south of the Umpqua Divide and from the Cascades east in southwest
Oregon and across Siskiyou and Modoc counties in northern
California. Heavy rain from thunderstorm cores could briefly lower
visibilities to MVFR, but the main hazards with these storms will be
strong and erratic outflow thunderstorm winds and lightning. Hail is
also possible and there is a 5% chance of large damaging hail of 1
inch or more diameter, and strong winds of 60 mph, including for
Medford (KMFR), Klamath Falls (KLMT), Montague (KSIY), and Lakeview
(KLKV). The probability of strong/severe thunderstorms, and storm
coverage will diminish late this evening, but thunderstorm chances
(15-30%) will persist  tonight into early Wednesday morning for
Klamath, Lake, northeast Siskiyou, and northern Modoc counties.

PREV DISCUSSION... /Issued 153 PM PDT Tue Jun 10 2025/

DISCUSSION (Today through Monday)...

Overview:

Main item of interest for this forecast is today`s severe
thunderstorm possibility. The main threats today are lightning and
strong wind gusts (50-65mph), but a couple isolated storms could
produce hail around 1.00". Otherwise, the forecast is seasonable
with warm temperatures and dry conditions forecast beyond today.
Will need to monitor fuels this dry stretch. We have seen some
increased drying lately in the fuels across the forecast area, and
this next stretch of dry weather will only further dry fuels
making them more receptive to fire starts.

Further Details:

The H5 disturbance we are tracking for today`s severe weather threat
is well off the coast over the Pacific around 130W and 40N as of
writing this. The PVA associated with this small embedded shortwave
within the westerly flow is not going to phase well with other
variables, but the timing will be conducive for thunderstorms. Some
of these thunderstorms could be severe. If this shortwave was about
6 hours earlier, we would likely be looking at a higher risk of
severe weather today/tonight. DCAPE values are very high today given
the inverted-v forecast soundings, and in some cases approaching
2000 J/kg. This amount of DCAPE can easily produce a severe wind
gusts if a updraft can maintain long enough. The fact the shortwave
will not phase well today, and shear values are on the lower end of
the spectrum, updrafts may struggle to maintain today. However,
there is no reason to believe we wont see at least a couple strong
to severe thunderstorms this afternoon and early evening. MUCAPE
values are around 500 to upwards near 1000 J/kg with bulk shear (0-
6km) around 25-30 knots. This is plenty to work with today as we hit
convective temperatures. This means timing of severe thunderstorms
will likely be associated with peak heating. That said, we are
seeing returns on radar as of writing this, so convective initiation
has occured for some eastside areas where convective temperatures
are lower than other areas. Lastly, since the shortwave is late to
arrive over the forecast area, this does open the door for overnight
convective, mainly on the eastside where upper level divergence will
be associated with this wave. Convective allowing models are showing
some consistency with convection around 10Z-14Z for areas mainly in
Klamath and Lake counties. Its tough to say how much the atmosphere
will be "worked over" from this afternoon/early evening convection.
In other words, there is at least a chance (30%-40%) for a couple
thunderstorms to develop, and these could be strong to perhaps
severe overnight into early morning on Wednesday.

Beyond today, weather impacts are very limited as we experience dry
and seasonable temperatures. Some of the warmer days may be in the
mid to upper 80s for our "warmer" areas, but really temperatures are
very close to normal for this time of year. There are a couple
breezy afternoons in the forecast, but not seeing any need for wind
hazard headlines at this time. The bigger impact through this
stretch of dry weather will be the fact energy release component
values (fuels) are only going to further dry and become more
receptive to fire starts.

-Guerrero

MARINE...Updated 130 PM Tuesday, June 10, 2025...High pressure
offshore and low pressure inland are expected to persist into the
weekend. Breezy north winds will persist this week, hovering at or
just below advisory criteria. The strongest winds and steepest
seas are expected south of Port Orford to around Pistol River and
out 30 nm from shore, with the highest seas expected today into
tonight. Seas will remain dominated by a mix of northerly wind
wave and fresh swell, with steep seas across all areas through
Wednesday evening, then south of Port Orford at least through
Thursday evening.

-DW/BR-y

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...CA...None.

PACIFIC COASTAL WATERS...Small Craft Advisory until 11 PM PDT
     Thursday for PZZ356-376.

Small Craft Advisory until 11 PM PDT Wednesday for PZZ350-370.

&&

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






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