Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii
A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >
| NWS Forecast for: Illinois Valley OR Issued by: National Weather Service Medford, OR Last Update: 1:41 am PDT Mar 21, 2026 |  |
| Overnight: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 39. Light and variable wind. Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 68. North northeast wind 6 to 8 mph. Saturday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 27. North northeast wind around 9 mph. Sunday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 70. North wind around 8 mph. Sunday Night: Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 33. North northeast wind 3 to 6 mph. Monday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 73. Monday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 38. Tuesday: Rain likely. Partly sunny, with a high near 69. Tuesday Night: Rain likely. Mostly cloudy, with a low around 38. Wednesday: A chance of rain. Partly sunny, with a high near 61. Wednesday Night: A slight chance of rain. Snow level 4800 feet lowering to 2300 feet after midnight . Partly cloudy, with a low around 31. Thursday: Sunny, with a high near 64. Thursday Night: Mostly clear, with a low around 35. Friday: Sunny, with a high near 73. | |
| Illinois Valley OR 42.11°N 123.69°W (Elev. 1398 ft) | |
Visit your local NWS office at: https://www.weather.gov/mfr |
