| NWS Forecast for: Missouri Headwaters Issued by: National Weather Service Great Falls, MT Last Update: 336 PM MDT Sun May 31 2026 | |
| Tonight: Cloudy. Chance of rain showers early in the evening, then slight chance of rain showers in the late evening and overnight. Lows in the upper 30s. West winds up to 10 mph. Gusts up to 25 mph in the evening. Chance of showers 50 percent. Monday: Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. West winds up to 10 mph. Chance of precipitation 40 percent. Monday Night: Mostly cloudy. A 50 percent chance of rain showers in the evening. Lows in the upper 30s. Northwest winds up to 10 mph. Tuesday: Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Southwest winds up to 5 mph shifting to the northwest in the afternoon. Chance of precipitation 40 percent. Tuesday Night: Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 40s. North winds up to 10 mph. Wednesday: Sunny. Highs in the lower 70s. Wednesday Night: Partly cloudy. Lows in the mid 40s. Thursday: Partly sunny. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. Thursday Night: Mostly cloudy with a 50 percent chance of rain showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Friday: Sunny. Highs in the mid 70s. Friday Night And Saturday: Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. Saturday Night: Mostly cloudy with slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows in the mid 40s. Chance of precipitation 20 percent. Sunday: Partly sunny. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. | |
| Zone Forecast: Missouri Headwaters | |
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