National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

Klamath Falls International Airport (KLMT)

Lat: 42.14703°NLon: 121.72548°WElev: 4081.0ft.

Clear

64°F

18°C

Humidity 35%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Mar 11:53 AM PDT
Extended Forecast for

5 Miles NNW Merrill OR

Red Flag Warning March 19, 02:00pm until March 19, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. West southwest wind 3 to 8 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. West wind 5 to 9 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. West wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. West northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. West southwest wind 3 to 8 mph.
Tonight
Mostly clear, with a low around 47. West wind 5 to 9 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 75. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. West wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 61. West northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A slight chance of showers. Snow level 9100 feet lowering to 7500 feet after midnight . Partly cloudy, with a low around 39. Breezy.
Wednesday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Merrill OR
 42.09°N 121.64°W (Elev. 4895 ft)
Last Update:
10:41 am PDT Mar 19, 2026
Forecast Valid:
12pm PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation