Expires:202601012300;;602697 FPUS55 KTFX 011032 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 331 AM MST Thu Jan 1 2026 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Friday. MTZ319-012300- Helena Valley- Including the city of Helena 331 AM MST Thu Jan 1 2026 .TODAY...Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s. Southeast winds up to 5 mph. .TONIGHT...Cloudy with a 50 percent chance of rain. Patchy fog after midnight. Near steady temperature in the lower 30s. Southeast winds around 5 mph. .FRIDAY...Patchy fog in the morning. Mostly cloudy with a 20 percent chance of rain. Highs in the mid 40s. Southeast winds 5 to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower 30s. South winds 5 to 10 mph. .SATURDAY...Partly sunny. Highs in the upper 40s. South winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the upper 40s. Lows around 30. .MONDAY AND MONDAY NIGHT...Mostly cloudy. A 20 percent chance of rain and snow. Highs in the mid 40s. Lows in the upper 20s. .TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Highs in the lower 40s. Lows in the upper 20s. && TEMPERATURE / PRECIPITATION Helena 39 32 44 / 10 40 20 $$