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.
2026/03/21 00:56 (retrieved 49 minutes ago)
KBMI 210056Z 34006KT 10SM CLR 18/08 A2990 RMK AO2 SLP121 T01830083
Closest aviation forecast (TAF) to Johnston Airport
Closest forecast is Central Illinois Regional Airport at Bloomington-Normal, 8.8 nm (16.2 km) NNE.
2026/03/21 00:22 (retrieved 1 hour ago)
TAF KBMI 202320Z 2100/2124 34010KT P6SM BKN250 FM210300 05008KT P6SM BKN200 FM211500 17011KT P6SM FEW250 FM211800 22014KT P6SM FEW250