Expires:202512291100;;401417 FPUS55 KTFX 282302 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 401 PM MST Sun Dec 28 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Monday, Monday night, and Tuesday. MTZ314-291100- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 401 PM MST Sun Dec 28 2025 .TONIGHT...Not as cold. Partly cloudy. Lows around 12. Southwest winds up to 10 mph. .MONDAY...Not as cold. Sunny. Highs 32 to 40. West winds up to 10 mph. .MONDAY NIGHT...Not as cold. Mostly clear in the evening then becoming mostly cloudy. Near steady temperature in the upper 20s. West winds 5 to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs in the mid 40s. West winds up to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. Southwest winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 41 to 49. Lows 24 to 30. .NEW YEARS DAY THROUGH SATURDAY...Mostly cloudy. Highs 39 to 49. Lows in the upper 20s. .SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. .SUNDAY...Partly sunny. Highs in the lower 40s. && TEMPERATURE / PRECIPITATION Lewistown 14 40 25 48 / 0 0 0 0 $$