10-day forecast for Simms, MT: 25° to 76°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Friday, October 9
56° · 0.83 in
Worst day: Saturday, October 10
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0976° / 48°0
Morning50°feels 44°
Afternoon76°feels 74°
Evening64°feels 62°
Overnight49°feels 45°
76 °
Simms, Friday, 9 October
Overcast. High 76°, low 48°.
Pressure29.47 inHg
Wind17.5 mph S
Humidity22%
Visibility6.2 mi
Dew point30°
Sat, 1056° / 32°0.83
Morning45°feels 40°
Afternoon36°feels 27°
Evening34°feels 26°
Overnight53°feels 50°
56 °
Simms, Saturday, 10 October
Snow. High 56°, low 32°.
Pressure29.88 inHg
Wind13.9 mph N
Humidity95%
Visibility1.2 mi
Dew point35°
Sun, 1131° / 30°0.29
Morning30°feels 20°
Afternoon31°feels 21°
Evening31°feels 23°
Overnight31°feels 22°
31 °
Simms, Sunday, 11 October
Snow. High 31°, low 30°.
Pressure30.21 inHg
Wind13.1 mph N
Humidity98%
Visibility5.6 mi
Dew point29°
Mon, 1233° / 28°0.11
Morning31°feels 28°
Afternoon32°feels 32°
Evening31°feels 31°
Overnight31°feels 24°
33 °
Simms, Monday, 12 October
Light snow. High 33°, low 28°.
Pressure30.21 inHg
Wind9.2 mph N
Humidity98%
Visibility—
Dew point31°
Tue, 1343° / 25°0
Morning28°feels 21°
Afternoon37°feels 34°
Evening43°feels 40°
Overnight37°feels 33°
43 °
Simms, Tuesday, 13 October
Mostly clear. High 43°, low 25°.
Pressure30.06 inHg
Wind7.3 mph SW
Humidity83%
Visibility—
Dew point30°
Wed, 1453° / 39°0.21
Morning44°feels 40°
Afternoon52°feels 49°
Evening43°feels 38°
Overnight39°feels 31°
53 °
Simms, Wednesday, 14 October
Rain. High 53°, low 39°.
Pressure29.44 inHg
Wind15.2 mph N
Humidity52%
Visibility—
Dew point34°
Thu, 1539° / 34°0.18
Morning35°feels 24°
Afternoon37°feels 27°
Evening38°feels 33°
Overnight34°feels 28°
39 °
Simms, Thursday, 15 October
Snow. High 39°, low 34°.
Pressure30.30 inHg
Wind19.3 mph NW
Humidity78%
Visibility—
Dew point30°
Fri, 1647° / 30°0
Morning33°feels 26°
Afternoon43°feels 35°
Evening43°feels 37°
Overnight36°feels 30°
47 °
Simms, Friday, 16 October
Clear. High 47°, low 30°.
Pressure30.33 inHg
Wind15.6 mph S
Humidity68%
Visibility—
Dew point31°
Sat, 1760° / 34°0
Morning38°feels 31°
Afternoon50°feels 45°
Evening50°feels 48°
Overnight42°feels 40°
60 °
Simms, Saturday, 17 October
Partly cloudy. High 60°, low 34°.
Pressure30.06 inHg
Wind15 mph SW
Humidity50%
Visibility—
Dew point30°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Simms, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.