Weather in Great Falls

United States · Montana · 47.5002, -111.3008

Today Now 2:33 AM

+50° Clear

Hourly forecast

Today10/22 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — Great Falls

Forecast in words

Today

Expect mostly clear. Daytime high +72°, overnight low +48°. Light wind, up to 9 mph. No rain expected.

Tomorrow

Tomorrow sleet, high +54°, low +36°, 18° colder.

Week

During the week the thermometer stays between +27°…+72°. Warmest day — Thu, up to +72°. Coldest at night — Sat, +27°. Rain on Fri, Wed, Thu. Clear days — 3. Strongest wind — Fri, up to 18 mph. Second half of the week is cooler.

Week vs norm

  1. Today 10/22 +72° +16° usually +55°
  2. Tomorrow 10/23 +54° −1° usually +55°
  3. Sat 10/24 +41° −13° usually +54°
  4. Sun 10/25 +39° −14° usually +54°
  5. Mon 10/26 +41° −12° usually +53°
  6. Tue 10/27 +45° −8° usually +53°
  7. Wed 10/28 +37° −15° usually +52°
  8. Thu 10/29 +30° −21° usually +52°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 22

Today is warmer than usual for this date.

  • Heat record +77° 2003
  • Cold record +18° 2020
  • Most precipitation 0.5 in 2022
  • Strongest gust 57 mph 2017

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in Great Falls

Today is about 13° warmer than usual for October.

Climate normals by month, Great Falls
Month Daytime / Nighttime Average Precipitation in
Jan +33° / +18° +24° 1.0
Feb +35° / +18° +25° 1.0
Mar +46° / +26° +34° 1.1
Apr +56° / +33° +43° 2.2
May +66° / +43° +53° 2.6
Jun +75° / +50° +62° 2.9
Jul +87° / +57° +71° 1.0
Aug +86° / +56° +70° 1.2
Sep +75° / +48° +60° 1.5
Oct +58° / +38° +46° 1.4
Nov +43° / +28° +34° 1.0
Dec +34° / +20° +26° 1.0

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 7:54 AM | 6:23 PM
Moon 4:47 PM | 3:42 AM
Moon phase Waxing gibbous 86%
Next solar eclipse
Calculating for this city…

Weather in the region