Freeport, Illinois – Gardeners in Stephenson County should brace for a sudden spring chill early Friday, as near-freezing temperatures may damage sensitive plants left unprotected.
According to the National Weather Service in the Quad Cities, a Frost Advisory is in effect from 1 a.m. to 8 a.m. CDT Friday, with temperatures expected to dip as low as 30°F in the Freeport area. The alert, issued in coordination with the NWS office in La Crosse, highlights the risk to tender vegetation during the early morning hours.
Residents across Stephenson County, especially in low-lying or rural areas, are urged to take precautions Thursday evening. Cover outdoor plants or bring them indoors to avoid potential frost damage. Garden centers and nurseries in the region may also want to consider additional protective measures.
This marks one of the latest frost advisories of the season for northern Illinois, following an unusually warm April. Local farmers and backyard growers alike should monitor future advisories as cold snaps remain possible into mid-May.
Frost conditions are expected to ease after 8 a.m. Friday, but additional alerts could follow if cold air persists into the weekend.