| NWS Forecast for: Northern High Plains Issued by: National Weather Service Great Falls, MT Last Update: 336 AM MDT Wed May 20 2026 | |
| Today: Rain likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs around 50. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. Tonight: Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows in the lower 30s. Northwest winds 5 to 15 mph. Thursday: Partly sunny. Highs around 60. Northwest winds 5 to 15 mph. Thursday Night: Partly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph. Friday: Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 60s. West winds 5 to 10 mph. Friday Night Through Memorial Day: Partly cloudy. Lows 43 to 49. Highs 70 to 76. Monday Night And Tuesday: Cooler. Mostly cloudy. A 50 percent chance of rain. Lows in the mid 40s. Highs in the lower 60s. | |
| Zone Forecast: Northern High Plains | |
Visit your local NWS office at: https://www.weather.gov/tfx |