Freeze warning affecting Upper Columbia Basin Thursday, says the NWS

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A freeze warning was issued by the NWS Spokane WA on Wednesday at 1:12 a.m. valid for Thursday between 2 a.m. and 8 a.m. for Upper Columbia Basin.

The NWS informs, "Temperatures as low as 28 degrees expected."

"Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing," describes the NWS. "Take steps now to protect tender plants from the cold."

This warning is in effect until Thursday at 8 a.m.

What to do if there is a freeze watch or warning

Freeze warnings are issued from May to October (but can be extended if necessary), when low temperatures are expected to be 29-32 degrees. If there is a potential for temperatures to fall into these thresholds, a freeze watch may be issued a few days ahead of time.

According to the NWS, if a freeze warning or watch is issued for your area, there is little you can do to protect plants. If you can move your sensitive plants inside, do so because the freeze will likely kill them, depending on the severity of conditions.

Source: The National Weather Service

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This story was originally published April 15, 2026 at 1:16 AM.