FNUS75 KTFX 202234 FWSTFX Spot Forecast for 89 S WINDS...MT-BFA National Weather Service Great Falls MT 434 PM MDT Fri Mar 20 2026 Forecast is based on forecast start time of 1700 MDT on March 20. If conditions become unrepresentative...contact the National Weather Service. ...HIGH WIND WARNING IN EFFECT UNTIL NOON MDT SATURDAY... The peak of the strong winds will continue through sunset, with sustained winds 45 to 60 mph and gusts routinely in the 75 to 85 mph range. This will be followed by a slow decrease through midnight when winds will mostly gust in the 55 to 65 mph range with isolated higher gusts that will be of shorter time length. Windy, but less severe wind gusts move in later tonight into Saturday. .DISCUSSION... .REST OF TODAY... Sky/weather.........Mostly sunny (35-45 percent). Areas of blowing dust. Chance of pcpn......10 percent. Chance of lightning.1 percent. Max temperature.....60-65. Min humidity........36-41 percent. Surface winds (mph).Windy. West to southwest winds around 45 to 55 mph with gusts up to 85 mph. Pcpn amount.........0.00 inches. Snowfall amount.....0.0 inches. Visibility..........Patchy blowing dust may cause localized significant visibility reductions. TIME (MDT) 5PM Sky (%).........38 Weather cov.....ARS Weather type....BDT Tstm cov........ Chc of pcpn (%).10 Chc of ltng (%).0 Temp............60 RH..............46 Surface wnd dir.W Surface wnd spd.50 Surface wnd gst.80 Visibility (sm).10 .TONIGHT... Sky/weather.........Partly cloudy (30-40 percent) then becoming mostly cloudy (55-65 percent). Areas of blowing dust early in the evening. Chance of rain showers overnight. Chance of pcpn......40 percent. Chance of lightning.3 percent. Min temperature.....41-46. Max humidity........61-66 percent. Surface winds (mph).Windy. West to southwest winds 45 to 50 mph with gusts to around 75 mph decreasing to around 25 to 35 mph with gusts to around 45 mph. Pcpn amount.........0.01 inches. Snowfall amount.....0.0 inches. Visibility..........Patchy blowing dust may cause localized significant visibility reductions in the evening. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........22 22 28 45 53 53 59 62 62 65 68 68 Weather cov.....ARS ARS PTY PTY SCH SCH CHC CHC CHC CHC CHC CHC Weather type....BDT BDT BDT BDT RN RN RN RN RN RN RN RN Tstm cov........ Chc of pcpn (%).10 10 10 10 20 20 30 30 30 30 40 30 Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............58 56 53 52 52 52 52 51 50 49 47 47 RH..............52 56 60 61 61 63 63 63 65 65 66 66 Surface wnd dir.SW SW SW SW W W W W W W W W Surface wnd spd.50 50 45 45 40 40 40 40 40 35 35 30 Surface wnd gst.70 70 65 60 60 60 60 55 55 50 50 45 Visibility (sm).10 10 10 10 10 10 10 10 10 10 10 10 .SATURDAY... Sky/weather.........Partly sunny (50-60 percent). Chance of rain rain showers. Chance of pcpn......30 percent. Chance of lightning.3 percent. Max temperature.....46-51. Min humidity........33-38 percent. Surface winds (mph).Windy. West to northwest winds 25 to 38 mph with gusts up to around 45 mph. Pcpn amount.........0.01 inches. Snowfall amount.....0.0 inches. Visibility..........10. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........65 63 60 63 77 55 49 43 42 49 50 29 Weather cov.....CHC CHC CHCSCH SCH SCH Weather type....RN RN RN RN RN RS Tstm cov........ Chc of pcpn (%).30 30 30 20 20 10 10 10 0 10 10 20 Chc of ltng (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............46 45 43 44 46 47 47 47 47 46 46 45 RH..............66 65 62 58 53 48 42 41 39 38 38 38 Surface wnd dir.W W W NW NW NW NW NW NW NW NW NW Surface wnd spd.30 30 25 25 25 25 25 25 25 25 25 25 Surface wnd gst.45 40 40 40 40 40 40 40 40 40 40 40 Visibility (sm).10 10 10 10 10 10 10 10 10 10 10 10 $$ Forecaster...Greely Requested by...Meri Gobert Type of request...OTHER .TAG 2606882.0/TFX .DELDT 03/20/26 .FormatterVersion 2.0.0 .EMAIL m.gobert@blackfeetnation.com, tfx.ops@noaa.gov