269 AWUS83 KBIS 230216 RWSBIS NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-231030- Regional Weather Forecast National Weather Service Bismarck ND 916 PM CDT Sat Aug 22 2026 /816 PM MDT Sat Aug 22 2026/ Periodic low to medium chances for showers and thunderstorms return to the state late tonight through Monday. A few storms may be strong to severe in western and central North Dakota Sunday into Sunday night, and central and eastern North Dakota on Monday. Temperatures are favored to remain near to slightly above average through next week, with highs mostly in the 80s. The Detailed Forecast for North Dakota... .TONIGHT...Partly cloudy. Slight chance of showers and thunderstorms after midnight far southwest. Lows ranging from around 50 northeast to the lower 60s southwest. .SUNDAY...Partly sunny with a chance of showers and thunderstorms west and central. Highs in the 80s to lower 90s. .SUNDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s to lower 60s. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms north central and east. Highs in the 80s. $$ Telken  617 AWUS81 KCTP 230228 RWSCTP PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046- 049>053-056>059-063>066-231630- Regional Weather Summary National Weather Service State College PA 1028 PM EDT Sat Aug 22 2026 A low pressure system over southwestern Ontario this evening will drag a weak cold front across the Keystone state overnight. Bands of showers and storms will taper off from west to east late. A few showers and perhaps a storm will still be possible on Sunday, as the low pressure system remains nearby. Most of the activity will be across the northwestern portion of Pennsylvania. Lows tonight will range from the low to mid 50s over the northwest mountains to the mid 60s across the southeast. Highs on Sunday will range from the upper 60s to lower 70s across the northwest, to the lower 80s across the southeast. $$ Martin