Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Johnston Airport
Closest report is Central Illinois Regional Airport at Bloomington-Normal, 8.8 nm (16.2 km) NNE.
2026/05/23 06:56 (retrieved 21 minutes ago)
KBMI 230656Z AUTO 09006KT 10SM OVC021 15/12 A2996 RMK AO2 SLP139 T01500122
Closest aviation forecast (TAF) to Johnston Airport
Closest forecast is Central Illinois Regional Airport at Bloomington-Normal, 8.8 nm (16.2 km) NNE.
2026/05/23 06:22 (retrieved 55 minutes ago)
TAF KBMI 230520Z 2306/2406 08009KT P6SM BKN025 FM230900 VRB06KT P6SM OVC015 FM231800 VRB04KT P6SM BKN035